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10 Most Secure Cloud Storage Solutions for Business in 2025 (Expert-Tested)
8 min read
10 Most Secure Cloud Storage Solutions for Business in 2025 (Expert-Tested)
8 min read
Finding the best cloud storage for business isn't just about space—it's about security, accessibility, and specialized features that protect your critical data. After testing cloud storage services for over 15 years, experts at PCMag have identified clear industry leaders. A truly secure cloud storage system should employ zero-knowledge encryption, also known as client-side or end-to-end encryption. Additionally, enterprise-grade secure storage providers now offer automated compliance reporting dashboards that generate audit-ready documentation, saving companies an estimated 40 hours of manual compliance work monthly. For businesses of all sizes, the right cloud storage solution combines reliability, security, and affordability while providing essential business tools like intelligent file management systems and productivity features. We've thoroughly tested and evaluated the most secure cloud storage solutions available today to help you make an informed decision for your business needs in 2025. From Dropbox, which works seamlessly with a wide range of office software, to Proton Drive, which offers a complete privacy ecosystem, our comprehensive guide covers options for organizations of every size and security requirement.
Drime
Drime represents a fresh approach to secure cloud storage for business with a French-based solution that combines robust security with comprehensive collaboration features. Unlike traditional cloud storage providers that focus solely on file hosting, Drime delivers an integrated workspace where teams can collaborate effectively while maintaining strict security standards.
Drime key features
Drime functions as an all-in-one collaborative productivity platform with several standout capabilities:
Direct file editing - Edit Word, Excel, PowerPoint, and PDF files directly in the cloud without downloads or additional software
Media manipulation - Crop, resize, and annotate images or trim and rotate videos directly in your browser
Real-time collaboration - Work simultaneously with teammates and clients with comments, sharing, and organizing in one secure space
Electronic signatures - Send, track, and collect legally binding signatures without leaving the platform
Drime Notes - Share notes, create task lists, and leverage AI to improve content
Furthermore, Drime excels at handling large files with no size restrictions, allowing uploads of 100GB or more that can be shared instantly through simple links. This capability proves particularly valuable for businesses working with video content or other large media files.
Drime security & privacy
Security forms a fundamental pillar of Drime's offering with multiple layers of protection:
AES 256-bit encryption - The highest level of encryption available that would require "billions of years to breach" using current technologies
European data protection - All servers hosted exclusively within the European Union (Amsterdam, Netherlands and Paris, France) in ISO 27001-certified data centers
Drime Vault - End-to-end encrypted storage area included free with all plans where files are encrypted locally on your device before upload
Comprehensive compliance - Meets requirements for numerous standards including GDPR, SOC 1-2-3, HIPAA & HITECH, HDS, PCI DSS, CSA STAR, and EBA
Notably, Drime states they "will never sell, trade, or share your personal data for commercial purposes" and processes all payments securely through industry-leading third-party providers (PayPal and Stripe).
Drime pricing & plans
Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Beyond the free plan, Drime offers four paid packages:
Plan | Monthly Price | Storage | Key Features |
Starter | €2.99 | 500GB | <citation index="44" link="https://drime.cloud/blog-posts/5-best-cloud-storage-for-business-security-first-options-2025" similar_text="Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Even at this free level, users get access to essential functionalities including secure file sharing, basic editing tools, and collaborative options. Beyond the free plan, Drime offers four paid packages with annual billing providing a 20% discount: Plan |
Essentials | €5.50 | 2TB | <citation index="44" link="https://drime.cloud/blog-posts/5-best-cloud-storage-for-business-security-first-options-2025" similar_text="Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Even at this free level, users get access to essential functionalities including secure file sharing, basic editing tools, and collaborative options. Beyond the free plan, Drime offers four paid packages with annual billing providing a 20% discount: Plan |
Professional | €10.99 | 3TB | <citation index="44" link="https://drime.cloud/blog-posts/5-best-cloud-storage-for-business-security-first-options-2025" similar_text="Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Even at this free level, users get access to essential functionalities including secure file sharing, basic editing tools, and collaborative options. Beyond the free plan, Drime offers four paid packages with annual billing providing a 20% discount: Plan |
Advanced | €19.99 | 6TB | 100 members/workspaces, 120-day file history, compliance tracking, advanced administration |
All plans include core features like multi-device synchronization, unlimited bandwidth, automatic backups, AI Assistant, and end-to-end encryption through Drime Vault.
Drime best use cases
Based on the features and pricing structure, several ideal use cases emerge:
Creative professionals & media teams - The integrated editing tools for videos and images, annotation capabilities, and unlimited file size support make Drime ideal for teams working with visual content
Small to medium businesses - Companies looking for an all-in-one collaboration platform will find Drime valuable because it eliminates the need for separate tools for storage, document editing, and e-signatures, leading to significant cost savings—reportedly up to 60% compared to using multiple specialized tools
Security-conscious organizations - Businesses with specific data sovereignty or compliance requirements should consider Drime given its European hosting and comprehensive security certifications
Freelancers & agencies - Those managing client approvals will appreciate Drime's sharing capabilities and comment system
Sync.com
With over 2.7 million teams relying on their services, Sync.com has established itself as a prominent option in the secure cloud storage market. This Canadian-based provider focuses on robust security measures that protect business data while offering extensive sharing and collaboration capabilities.
Sync.com key features
Sync.com delivers a comprehensive suite of capabilities designed for business operations:
Multi-device synchronization - Access files from Windows, macOS, iOS, Android devices, and web browsers with real-time syncing
CloudFiles technology - Save space on local devices by storing files in the cloud while maintaining direct access through File Explorer or Finder
Version history and recovery - Restore previous versions of files or recover deleted content with 180-365 day history depending on plan
Rewind functionality - Roll back entire accounts to previous states to recover from ransomware attacks or accidental deletions
Link sharing controls - Set passwords, expiry dates, download limits, and notifications on shared files
Moreover, Sync.com offers collaborative features allowing teams to work in centralized folders with customizable permissions. The platform supports Microsoft Office 365 integration, enabling users to preview and edit documents directly.
Sync.com security & privacy
Security forms the cornerstone of Sync.com's offering with several standout protections:
Zero-knowledge encryption - End-to-end encryption ensuring only users have access to their files
AES 256-bit encryption - Industry-standard protection for all stored data
No third-party tracking - The company does not track, share, or sell app usage data
Extensive compliance - SOC 2 Type 1, HIPAA, GDPR, and PIPEDA compliance built into the service
Two-factor authentication - Additional account protection beyond password security
In essence, Sync.com's privacy policy emphasizes their commitment to collecting only necessary information, with data stored exclusively on Canadian servers. They maintain a strict no-knowledge architecture where even Sync.com cannot access user file contents.
Sync.com pricing & plans
Sync.com offers various plans catering to both individuals and businesses:
Plan | Price | Storage | Key Features |
Free | $0 | 5GB | Basic sharing, 180-day history |
Solo Basic | $8.00/month | 2TB | Advanced sharing, 180-day history |
Solo Professional | $24.00/month | 6TB | Custom branding, 365-day history |
Teams Standard | $5.00/user/month | 1TB/user | Administrator account, 180-day history |
Teams+ Unlimited | $18.00/user/month | Unlimited | Custom branding, 365-day history, phone support |
Enterprise | Contact for pricing | Custom | Account manager, customized requirements |
All business plans require a minimum of two users and include centralized billing with pro-rated invoicing when adding team members. Payment options include major credit cards, PayPal, and Bitcoin with no hidden costs or setup fees.
Sync.com best use cases
Based on its feature set, Sync.com excels in several business scenarios:
Healthcare organizations - HIPAA compliance makes it suitable for practices handling patient information
International businesses - With EU, UK, and Canadian compliance built-in, it's appropriate for companies conducting business worldwide
Creative professionals - The unlimited file size support and easy client sharing capabilities benefit those working with large media files
Small to medium businesses - Administrator tools for managing team access, enforcing 2FA, and monitoring activity provide essential oversight for growing companies
The platform especially shines for businesses prioritizing data security without sacrificing collaboration features. Its Vault storage function provides additional secure archiving capabilities for long-term file retention, consequently making it valuable for organizations with strict data protection requirements.
pCloud
Swiss-based pCloud offers a comprehensive secure cloud storage solution that emphasizes both collaboration and security. As a complete platform for storing, syncing, and collaborating on business files, pCloud provides administrators with control tools while delivering easy access for team members.
pCloud key features
pCloud delivers several distinctive capabilities that position it as a robust option for business cloud storage:
Team organization - Arrange employees into teams with customizable group permissions or assign individual access levels for more granular control
Shared folders - Optimize team workflows through organized shared folders that control data access both within and outside the company
Comments system - Collaborate through comments on files and folders, reducing reliance on less secure chat platforms
Activity monitoring - Access detailed logs of all account activity and retrieve previous file versions when needed
pCloud Drive - Develop ideas on your computer without consuming local hard drive space through virtual drive technology
Besides these core functions, pCloud offers unlimited upload and download speeds with unmetered file size limitations. This allows teams to work efficiently with large files without technological constraints. The platform supports various operating systems, including the less common Linux distributions.
pCloud security & privacy
Security forms the foundation of pCloud's business offering with multiple protective measures:
TLS/SSL encryption - Applied during all data transfers between devices and pCloud servers
Multiple server redundancy - Files are stored on at least three separate server locations within secure data storage areas
Client-side encryption - Optional pCloud Encryption provides zero-knowledge protection where only the user holds decryption keys
The company's privacy policy explicitly states they do not sell personal information to third parties. For business users, this commitment to data protection extends to advanced security features like two-factor authentication and SSL security.
Worth noting, pCloud lets new users choose between European or US data centers, though existing users default to US servers. This geographic choice affects regulatory compliance considerations for businesses with specific data sovereignty requirements.
pCloud pricing & plans
pCloud offers straightforward business pricing options:
Plan | Monthly Price | Annual Price | Storage | Key Features |
Business | $7.99 per user | 1TB per user | Team organization, Encryption included | |
Business Pro | $19.98 per user | $15.98 per user | 2TB per user | Additional storage, Priority support |
Both plans require a minimum of three users and include the pCloud Encryption feature at no additional cost, unlike individual plans which require a separate purchase. All business subscriptions come with extended 180-day file versioning and a 30-day free trial period.
pCloud best use cases
Based on its feature set and pricing structure, pCloud excels in several business scenarios:
Document-intensive businesses - The comprehensive document management capabilities make it ideal for organizations handling numerous files that require version control and approval processes
Creative teams - The unlimited file size support and built-in media players benefit those working with audio and video files
Security-conscious organizations - Companies handling sensitive information will appreciate the client-side encryption options and the ability to choose data center locations
Distributed teams - The combination of sharing options, commenting tools, and activity monitoring creates an effective environment for remote collaboration
The platform particularly shines for businesses seeking balance between robust security and practical collaboration tools. Its virtual drive technology offers the added advantage of conserving local storage space while maintaining quick access to cloud-based files.
Tresorit
Tresorit stands out as a Swiss-based secure cloud storage solution focusing on end-to-end encryption and zero-knowledge architecture. Founded on the principle that privacy is a fundamental human right, this platform offers businesses robust security combined with practical collaboration tools.
Tresorit key features
Tresorit delivers several distinctive capabilities that make it valuable for business users:
Secure file sharing - Replace risky email attachments with encrypted share links featuring password protection, expiration dates, and download limits
Shared team folders - Collaborate securely with precise permission settings (manage, edit, or view-only)
Syncing across devices - Access files across Windows, macOS, Linux, Android, iOS, and web browsers
Version history - Restore previous file versions with comprehensive history tracking
Outlook and Gmail integration - Share secure file links directly from email platforms
Indeed, many customers praise Tresorit's synchronization capabilities, with one noting that "the syncing is fast and reliable and the app is simple to use".
Tresorit security & privacy
Security forms the core foundation of Tresorit's offering with several standout protections:
Client-side encryption - Files are encrypted before uploading, with the key known only to the user and those they share with
Zero-knowledge system - Even Tresorit cannot access your encryption keys or data
European data centers - All servers located in EU Microsoft Azure facilities with ISO27001 certification
GDPR compliance - Built-in features supporting data protection requirements
Two-factor authentication - Additional account protection beyond password security
Essentially, this approach ensures that "even if our servers were breached, no one would be able to read the personal data in the files".
Tresorit pricing & plans
Tresorit offers several business-focused plans:
Plan | Price/User/Month | Storage | File Size Limit |
Business | €14.50 | 2TB per user | 15GB |
Business Plus | €19.17 | 2TB per user | 15GB |
Enterprise | €24 | Custom | 20GB |
All plans require a minimum of three users, include 16 free eSignatures, and provide features like audit logs and custom branding.
Tresorit best use cases
Based on customer testimonials and features, Tresorit excels in several scenarios:
Healthcare organizations - HIPAA compliance makes it suitable for handling patient information, with one medical provider noting it "significantly improved our handling of sensitive medical information"
Financial services - Banks and financial institutions appreciate the ability to "exchange files with external partners" securely
Legal firms - Law offices benefit from features like data residency options and activity logs, with one noting it offers "a much higher level of security for confidential files"
Research institutions - Academic and R&D teams value the security for intellectual property, with Oxford University using it for "multidisciplinary research projects"
Throughout various industries, Tresorit consistently delivers on its promise that "extra security doesn't mean inconvenience".
Internxt
Internxt distinguishes itself as a privacy-first secure cloud storage provider based in Valencia, Spain. This platform prioritizes user control through a transparent, open-source approach that ensures businesses maintain complete ownership of their data.
Internxt key features
Internxt delivers several distinctive capabilities for business users:
Zero-knowledge architecture - Only users can access their data, as encryption occurs directly on the device before transmission
Post-quantum encryption - First cloud storage provider implementing quantum-resistant encryption protocols to protect against future threats
Multi-device synchronization - Access files across Windows, Mac, Linux, iOS, and Android devices
File redundancy - Multiple encrypted copies of files stored across European servers with 99.999999999% (11 9s) data durability
WebDAV and Rclone support - Enhanced file management and accessibility options
As a result, Internxt provides a comprehensive solution where data remains accessible only to authorized users through encryption that happens before files ever leave your device.
Internxt security & privacy
Security forms the foundation of Internxt's platform:
AES-256 encryption - Military-grade encryption protects all files during transmission and storage
Open-source code - All code is publicly available on GitHub for verification and audit
Client-side encryption - Files are encrypted locally before upload, with keys never stored on Internxt servers
GDPR compliance - Strict adherence to European data protection regulations
Two-factor authentication - Additional account protection beyond password security
Importantly, Internxt emphasizes that "neither Internxt, nor any other third-party can access your Internxt files", maintaining a genuinely private cloud environment.
Internxt pricing & plans
Internxt offers various business-focused plans:
Plan | Price | Storage | Key Features |
Business Standard | €79.99/user/year | 1TB/user | Post-quantum encryption, VPN, antivirus |
Business Pro | €89.99/user/year | 2TB/user | Additional features: Meet, Mail (coming soon) |
S3 Object Storage | €7/TB/month | Pay-as-you-go | No ingress/egress fees, up to 80% cheaper than competitors |
All business plans require a minimum of three users and include advanced security features.
Internxt best use cases
Given its feature set, Internxt excels in several scenarios:
Privacy-focused businesses - Organizations needing maximum data confidentiality benefit from the zero-knowledge architecture where not even the provider can access files
European companies - Businesses subject to GDPR requirements appreciate the Spanish-based hosting and strict compliance measures
Forward-thinking organizations - Companies concerned about future quantum computing threats will value the post-quantum encryption capabilities
Small to medium businesses - The ability to scale from 3 to 100 users makes it suitable for growing organizations requiring strong security measures
Icedrive
Headquartered in the United Kingdom, Icedrive emerges as a distinctive secure cloud storage solution that prioritizes cutting-edge encryption and affordability. This newcomer to the cloud storage market has quickly gained attention for its innovative approach to file security and lifetime subscription options.
Icedrive key features
Icedrive stands out with several notable capabilities:
Virtual drive technology – Access cloud files as if they were on your local hard drive without consuming storage space
Client-side encryption – Everything including file names gets encrypted on your device before upload
Multi-device synchronization – Seamlessly access files across Windows, macOS, Linux, iOS, and Android platforms
Preview capabilities – Uniquely allows previewing encrypted files under 50MB
One of Icedrive's most unique aspects is its virtual drive functionality, which makes cloud storage feel like a physical hard drive attached to your computer.
Icedrive security & privacy
Security represents Icedrive's primary selling point:
Twofish encryption algorithm – Unlike competitors using AES, Icedrive employs the bulletproof Twofish algorithm considered more secure
Zero-knowledge architecture – Only you can view and decrypt your data
No third-party tracking – Icedrive strictly avoids third-party analytics or tracking software
GDPR compliance – Full compliance with tools to download personal data or erase logged information
Icedrive pricing & plans
Icedrive offers flexible pricing options:
Plan | Monthly Price | Annual Price | Storage |
Free | $0 | $0 | 10GB |
Lite | $4.99 | $47.88 ($3.99/mo) | 100GB |
Pro I | $7.99 | $71.88 ($5.99/mo) | 1TB |
Pro III | $14.99 | $131.88 ($10.99/mo) | 3TB |
Additionally, Icedrive offers lifetime plans including 512GB for $299, 2TB for $479, and 10TB for $1,199.
Icedrive best use cases
Given its feature set, Icedrive works particularly well for:
Privacy-conscious individuals – Those requiring maximum data confidentiality benefit from the zero-knowledge architecture
Budget-conscious businesses – The lifetime plans provide cost-effective storage for organizations with long-term needs
Media professionals – The ability to preview encrypted media files makes it suitable for those working with sensitive audio/visual content
Overall, Icedrive delivers a compelling mix of advanced security features and affordable pricing that makes it worthy of consideration among the most secure cloud storage options available in 2025.
Proton Drive
Originating from the creators of ProtonMail, Proton Drive delivers a secure cloud storage solution with privacy at its core. This Swiss-based platform extends end-to-end encryption to every aspect of file storage and sharing, ensuring businesses maintain complete control over their sensitive data.
Proton Drive key features
Proton Drive combines robust security with practical functionality:
End-to-end encryption - All files, filenames, and folder structures are automatically encrypted before leaving your device
Secure file sharing - Share files with password protection and expiration dates, keeping you in control of who accesses your data
Cross-platform accessibility - Access files from browsers, desktop applications, and mobile devices with instant synchronization
Document collaboration - Create, edit, and collaborate on documents in real-time with colleagues through Docs in Proton Drive
Beyond these core capabilities, Proton Drive stands out for its integrated ecosystem approach, giving businesses access to encrypted email, calendar, VPN, and password management within a unified platform.
Proton Drive security & privacy
Security represents Proton Drive's fundamental strength:
Zero-access encryption - Not even Proton can access your files or see their names without permission
Swiss privacy protection - Based in Switzerland, which offers political neutrality and strong privacy laws outside US and EU jurisdiction
Advanced cryptography - Utilizes high-performance elliptic curve cryptography (ECC Curve25519)
Open-source code - All apps and encryption libraries are publicly available for independent security verification
Proton Drive has been audited by Securitum, a leading European security firm, and operates under Swiss law that specifically protects end-to-end encryption.
Proton Drive pricing & plans
Proton Drive offers several options for businesses:
Plan | Price/Month | Storage | Key Features |
Free | $0 | 5GB | Basic end-to-end encryption |
Drive Professional | $5.99/user | 1TB/user | 365-day file version history |
Business Suite | $12.99/user | 1TB/user | Includes Mail, Calendar, VPN, Pass |
Enterprise | Custom | Custom | Advanced security, dedicated support |
For a limited time, Proton offers a 25% discount on the Drive Professional annual plan.
Proton Drive best use cases
Given its feature set, Proton Drive excels for:
Legal and financial firms - Organizations handling confidential contracts, planning documents, and client files benefit from the robust security and compliance features
Healthcare providers - HIPAA compliance and end-to-end encryption make it suitable for protecting sensitive patient information
Research organizations - Institutions needing to safeguard intellectual property and confidential research data
Journalists and media - Professionals requiring protection from surveillance while collaborating on sensitive stories
IDrive
IDrive delivers versatile secure cloud storage with comprehensive backup capabilities for businesses requiring robust data protection across multiple platforms and devices.
IDrive key features
IDrive excels at protecting diverse business environments through:
Multi-device backup - Secure unlimited computers and mobile devices with a single account
Remote management - Control backups, restores, and settings via web console for on-site and remote workers
Incremental backup - Automatically recognize modified portions of files to reduce bandwidth usage
Cloud Drive - Access additional sync storage equal to your backup quota at no extra cost
IDrive Express - Rapidly transfer large datasets via physical shipment without consuming bandwidth
A standout capability is IDrive's extensive server backup support, covering Microsoft 365, Google Workspace, Dropbox, Box, SQL Server, Exchange, SharePoint, Oracle, Hyper-V, and VMware.
IDrive security & privacy
IDrive implements multiple security measures to protect business data:
256-bit AES encryption - Military-grade protection during transfer and storage
Private encryption key option - Additional security layer where keys remain unknown to IDrive
SOC 2 Type 2 certification - Independently verified by third-party auditing
ISO/IEC 27001:2022 certification - Meeting international information security standards
Regulatory compliance - Supports HIPAA, SOX, GLBA, and SEC/FINRA requirements
IDrive's data centers feature "custom designed raised floors, HVAC temperature control systems with separate cooling zones and seismically braced racks".
IDrive pricing & plans
Plan | Annual Price | Storage | Key Features |
Team | $99.50 (currently $74.62) | 5TB | 5 users/devices |
Business | $99.50-$11,599.50 | 250GB-50TB | Unlimited users/devices |
Enterprise | Custom pricing | Custom | Advanced requirements |
IDrive includes Express service free three times yearly for Business plans.
IDrive best use cases
IDrive serves effectively for:
Healthcare providers - HIPAA compliance and BAA signing capability
Financial institutions - SOX and GLBA regulatory support
Distributed workforces - Seamless management of both office and remote workers
Multi-platform environments - Supporting diverse operating systems including Windows, macOS, Linux, iOS, and Android
Box
Among enterprise secure cloud storage solutions, Box has established itself as a robust platform offering comprehensive content management with advanced security features.
Box key features
Box delivers a centralized platform for storing, sharing, and collaborating on business files with several notable capabilities:
Virtual drive technology - Access cloud content without consuming local storage space
E-signature integration - Send, track, and complete legally binding signatures directly within Box
Enterprise-grade workflow automation - Streamline routine processes with Box Relay
AI-powered content intelligence - Extract insights and automate content workflows securely
In fact, Box offers over 1,500 app integrations, allowing businesses to connect with Microsoft 365, Google Workspace, Salesforce, and other essential productivity tools.
Box security & privacy
Box emphasizes security through multiple protective measures:
AES 256-bit encryption - Military-grade protection for data at rest
Extensive compliance certifications - Including FedRAMP High, HIPAA, ISO 27001, and SOC 1/2/3
Active-active data center model - Ensures simultaneous availability from multiple locations
Recovery objectives - 8-hour recovery time objective (RTO) and 1-hour recovery point objective (RPO)
Box maintains an information security management system based on ISO 27001 and NIST 800-53 standards, with procedures for logging and monitoring security events.
Box pricing & plans
Plan | Price/User/Month | Storage | Key Features |
Business | $15 | Unlimited | Mobile security controls |
Business Plus | $25 | Unlimited | Box KeySafe, PCI DSS compliance |
Enterprise | $35 | Unlimited | HIPAA, FedRAMP compliance |
Enterprise Plus | Custom | Unlimited | Advanced security, AI features |
All plans require a minimum of three users and include unlimited external collaborators.
Box best use cases
Given its capabilities, Box works exceptionally well for:
Healthcare organizations - HIPAA compliance makes it suitable for handling patient information
Government agencies - FedRAMP High Authorization meets strict federal requirements
Financial institutions - SEC/FINRA compliance supports regulatory needs
Creative teams - Collaboration features benefit those working with visual content
Dropbox Business
With millions of users across 56% of Fortune 500 companies, Dropbox Business provides secure cloud storage that balances robust security with seamless collaboration tools.
Dropbox Business key features
Dropbox Business combines advanced storage capabilities with powerful collaboration tools:
Smart Sync technology saves local hard drive space by allowing users to access files without downloading them
Centralized admin console gives team leaders complete control over file access and sharing permissions
Document scanning captures receipts and contracts directly from mobile devices
Version history and recovery tracks changes and allows restoration of previous file versions
In addition to these capabilities, Dropbox Business integrates with over 1,500 third-party applications including Slack, Zoom, Microsoft 365, and Google Workspace, eliminating the need to switch between platforms.
Dropbox Business security & privacy
Dropbox implements multiple security layers to protect business data:
256-bit AES and SSL/TLS encryption protects files during transfer and storage
Two-factor authentication provides an additional security layer beyond passwords
Advanced administration tools allow remote wiping of devices in case of breach or theft
Extensive compliance certifications including SOC 1-3, HIPAA/HITECH, ISO 27001, and ISO 27018
First and foremost, Dropbox designed its infrastructure with multiple protection layers, including secure data transfer, encryption, and application-level controls across a scalable infrastructure.
Dropbox Business pricing & plans
Plan | Price | Storage | Key Features |
Professional | €16.58/month | 3TB | <citation index="2" link="https://www.dropbox.com/business/plans-comparison" similar_text="Restore deleted files |
Standard | €12/user/month | 5TB team total | Team folders, admin control |
Advanced | €18/user/month | 15TB+ team total | End-to-end encryption, tiered admin |
Enterprise | Custom pricing | Custom | Enterprise security, dedicated support |
Dropbox Business best use cases
Given that Dropbox Business works best for:
Creative teams - The platform's video review capabilities and collaboration tools benefit those working with multimedia content
Document-intensive businesses - Organizations handling numerous contracts benefit from e-signature integration and PDF editing features
Distributed workforces - Teams working across different countries and time zones appreciate Dropbox's seamless file access and sharing
Despite its advantages, businesses concerned about data sovereignty should note that alternatives like Drime offer European-based hosting with equally robust security features.
Conclusion
Choosing the right secure cloud storage solution remains crucial for businesses navigating today's data-intensive landscape. Throughout this comprehensive review, we've examined ten leading providers, each offering unique approaches to security, collaboration, and data management.
Security clearly stands as the cornerstone of any reliable cloud storage system. Zero-knowledge encryption, client-side protection, and comprehensive compliance certifications appear consistently across top providers. Additionally, features like two-factor authentication and advanced permission controls help safeguard sensitive business information against unauthorized access.
Beyond basic security, the most effective solutions deliver practical tools that enhance productivity. Real-time collaboration capabilities, direct file editing, electronic signatures, and seamless integration with existing business applications transform cloud storage from mere file repositories into comprehensive productivity ecosystems.
Data sovereignty also emerges as a significant consideration, especially for businesses subject to specific regulatory frameworks. Providers like Drime and Tresorit offer European-based hosting, ensuring compliance with GDPR and other regional data protection requirements.
Pricing models vary significantly across providers. While some offer generous free tiers, others deliver specialized enterprise features at premium rates. The most cost-effective solutions balance affordable pricing with comprehensive functionality, essentially eliminating the need for multiple specialized tools.
After thorough evaluation, Drime stands out with its unique combination of robust security, extensive collaboration tools, and European data protection. The platform's ability to handle large files without size restrictions, coupled with direct editing for multiple file types, creates an integrated workspace few competitors can match. Their free 20GB tier also provides businesses an opportunity to test these capabilities without financial commitment.
When selecting your ideal cloud storage solution, consider your specific security requirements, collaboration needs, regulatory obligations, and budget constraints. The most suitable provider will align closely with your organization's particular workflow and data protection priorities.
Secure cloud storage has unquestionably evolved beyond simple backup solutions. Today's leading providers deliver comprehensive digital workspaces where teams can collaborate effectively while maintaining strict security standards. Your business deserves nothing less.
FAQs
Q1. What are the top secure cloud storage options for businesses in 2025? Based on expert testing, some of the most secure cloud storage solutions for businesses in 2025 include Drime, Sync.com, pCloud, Tresorit, and Internxt. These providers offer robust encryption, advanced collaboration features, and compliance with various data protection regulations.
Q2. How does zero-knowledge encryption enhance cloud storage security? Zero-knowledge encryption, also known as client-side encryption, ensures that only the user has access to their data. Files are encrypted on the user's device before being uploaded, and the service provider never has access to the encryption keys. This provides an additional layer of privacy and security for sensitive business information.
Q3. What features should businesses look for in a secure cloud storage solution? Key features to consider include end-to-end encryption, two-factor authentication, advanced permission controls, file versioning, secure file sharing, and compliance with relevant industry standards (e.g., GDPR, HIPAA). Additionally, look for providers offering seamless collaboration tools and integration with commonly used business applications.
Q4. How does European-based cloud storage benefit businesses? Cloud storage providers based in Europe, like Drime and Tresorit, offer enhanced data protection under GDPR and other EU regulations. This can be particularly beneficial for businesses that handle EU citizens' data or those concerned about data sovereignty and privacy laws.
Q5. Are free cloud storage tiers secure enough for business use? While some providers offer secure free tiers, businesses should carefully evaluate their specific needs. Free tiers often come with limited storage and features. For sensitive data and critical business operations, it's generally recommended to opt for paid business plans that offer more robust security features, larger storage capacities, and dedicated support.
Finding the best cloud storage for business isn't just about space—it's about security, accessibility, and specialized features that protect your critical data. After testing cloud storage services for over 15 years, experts at PCMag have identified clear industry leaders. A truly secure cloud storage system should employ zero-knowledge encryption, also known as client-side or end-to-end encryption. Additionally, enterprise-grade secure storage providers now offer automated compliance reporting dashboards that generate audit-ready documentation, saving companies an estimated 40 hours of manual compliance work monthly. For businesses of all sizes, the right cloud storage solution combines reliability, security, and affordability while providing essential business tools like intelligent file management systems and productivity features. We've thoroughly tested and evaluated the most secure cloud storage solutions available today to help you make an informed decision for your business needs in 2025. From Dropbox, which works seamlessly with a wide range of office software, to Proton Drive, which offers a complete privacy ecosystem, our comprehensive guide covers options for organizations of every size and security requirement.
Drime
Drime represents a fresh approach to secure cloud storage for business with a French-based solution that combines robust security with comprehensive collaboration features. Unlike traditional cloud storage providers that focus solely on file hosting, Drime delivers an integrated workspace where teams can collaborate effectively while maintaining strict security standards.
Drime key features
Drime functions as an all-in-one collaborative productivity platform with several standout capabilities:
Direct file editing - Edit Word, Excel, PowerPoint, and PDF files directly in the cloud without downloads or additional software
Media manipulation - Crop, resize, and annotate images or trim and rotate videos directly in your browser
Real-time collaboration - Work simultaneously with teammates and clients with comments, sharing, and organizing in one secure space
Electronic signatures - Send, track, and collect legally binding signatures without leaving the platform
Drime Notes - Share notes, create task lists, and leverage AI to improve content
Furthermore, Drime excels at handling large files with no size restrictions, allowing uploads of 100GB or more that can be shared instantly through simple links. This capability proves particularly valuable for businesses working with video content or other large media files.
Drime security & privacy
Security forms a fundamental pillar of Drime's offering with multiple layers of protection:
AES 256-bit encryption - The highest level of encryption available that would require "billions of years to breach" using current technologies
European data protection - All servers hosted exclusively within the European Union (Amsterdam, Netherlands and Paris, France) in ISO 27001-certified data centers
Drime Vault - End-to-end encrypted storage area included free with all plans where files are encrypted locally on your device before upload
Comprehensive compliance - Meets requirements for numerous standards including GDPR, SOC 1-2-3, HIPAA & HITECH, HDS, PCI DSS, CSA STAR, and EBA
Notably, Drime states they "will never sell, trade, or share your personal data for commercial purposes" and processes all payments securely through industry-leading third-party providers (PayPal and Stripe).
Drime pricing & plans
Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Beyond the free plan, Drime offers four paid packages:
Plan | Monthly Price | Storage | Key Features |
Starter | €2.99 | 500GB | <citation index="44" link="https://drime.cloud/blog-posts/5-best-cloud-storage-for-business-security-first-options-2025" similar_text="Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Even at this free level, users get access to essential functionalities including secure file sharing, basic editing tools, and collaborative options. Beyond the free plan, Drime offers four paid packages with annual billing providing a 20% discount: Plan |
Essentials | €5.50 | 2TB | <citation index="44" link="https://drime.cloud/blog-posts/5-best-cloud-storage-for-business-security-first-options-2025" similar_text="Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Even at this free level, users get access to essential functionalities including secure file sharing, basic editing tools, and collaborative options. Beyond the free plan, Drime offers four paid packages with annual billing providing a 20% discount: Plan |
Professional | €10.99 | 3TB | <citation index="44" link="https://drime.cloud/blog-posts/5-best-cloud-storage-for-business-security-first-options-2025" similar_text="Drime stands out with a generous free tier offering 20GB of storage - significantly more than many competitors. Even at this free level, users get access to essential functionalities including secure file sharing, basic editing tools, and collaborative options. Beyond the free plan, Drime offers four paid packages with annual billing providing a 20% discount: Plan |
Advanced | €19.99 | 6TB | 100 members/workspaces, 120-day file history, compliance tracking, advanced administration |
All plans include core features like multi-device synchronization, unlimited bandwidth, automatic backups, AI Assistant, and end-to-end encryption through Drime Vault.
Drime best use cases
Based on the features and pricing structure, several ideal use cases emerge:
Creative professionals & media teams - The integrated editing tools for videos and images, annotation capabilities, and unlimited file size support make Drime ideal for teams working with visual content
Small to medium businesses - Companies looking for an all-in-one collaboration platform will find Drime valuable because it eliminates the need for separate tools for storage, document editing, and e-signatures, leading to significant cost savings—reportedly up to 60% compared to using multiple specialized tools
Security-conscious organizations - Businesses with specific data sovereignty or compliance requirements should consider Drime given its European hosting and comprehensive security certifications
Freelancers & agencies - Those managing client approvals will appreciate Drime's sharing capabilities and comment system
Sync.com
With over 2.7 million teams relying on their services, Sync.com has established itself as a prominent option in the secure cloud storage market. This Canadian-based provider focuses on robust security measures that protect business data while offering extensive sharing and collaboration capabilities.
Sync.com key features
Sync.com delivers a comprehensive suite of capabilities designed for business operations:
Multi-device synchronization - Access files from Windows, macOS, iOS, Android devices, and web browsers with real-time syncing
CloudFiles technology - Save space on local devices by storing files in the cloud while maintaining direct access through File Explorer or Finder
Version history and recovery - Restore previous versions of files or recover deleted content with 180-365 day history depending on plan
Rewind functionality - Roll back entire accounts to previous states to recover from ransomware attacks or accidental deletions
Link sharing controls - Set passwords, expiry dates, download limits, and notifications on shared files
Moreover, Sync.com offers collaborative features allowing teams to work in centralized folders with customizable permissions. The platform supports Microsoft Office 365 integration, enabling users to preview and edit documents directly.
Sync.com security & privacy
Security forms the cornerstone of Sync.com's offering with several standout protections:
Zero-knowledge encryption - End-to-end encryption ensuring only users have access to their files
AES 256-bit encryption - Industry-standard protection for all stored data
No third-party tracking - The company does not track, share, or sell app usage data
Extensive compliance - SOC 2 Type 1, HIPAA, GDPR, and PIPEDA compliance built into the service
Two-factor authentication - Additional account protection beyond password security
In essence, Sync.com's privacy policy emphasizes their commitment to collecting only necessary information, with data stored exclusively on Canadian servers. They maintain a strict no-knowledge architecture where even Sync.com cannot access user file contents.
Sync.com pricing & plans
Sync.com offers various plans catering to both individuals and businesses:
Plan | Price | Storage | Key Features |
Free | $0 | 5GB | Basic sharing, 180-day history |
Solo Basic | $8.00/month | 2TB | Advanced sharing, 180-day history |
Solo Professional | $24.00/month | 6TB | Custom branding, 365-day history |
Teams Standard | $5.00/user/month | 1TB/user | Administrator account, 180-day history |
Teams+ Unlimited | $18.00/user/month | Unlimited | Custom branding, 365-day history, phone support |
Enterprise | Contact for pricing | Custom | Account manager, customized requirements |
All business plans require a minimum of two users and include centralized billing with pro-rated invoicing when adding team members. Payment options include major credit cards, PayPal, and Bitcoin with no hidden costs or setup fees.
Sync.com best use cases
Based on its feature set, Sync.com excels in several business scenarios:
Healthcare organizations - HIPAA compliance makes it suitable for practices handling patient information
International businesses - With EU, UK, and Canadian compliance built-in, it's appropriate for companies conducting business worldwide
Creative professionals - The unlimited file size support and easy client sharing capabilities benefit those working with large media files
Small to medium businesses - Administrator tools for managing team access, enforcing 2FA, and monitoring activity provide essential oversight for growing companies
The platform especially shines for businesses prioritizing data security without sacrificing collaboration features. Its Vault storage function provides additional secure archiving capabilities for long-term file retention, consequently making it valuable for organizations with strict data protection requirements.
pCloud
Swiss-based pCloud offers a comprehensive secure cloud storage solution that emphasizes both collaboration and security. As a complete platform for storing, syncing, and collaborating on business files, pCloud provides administrators with control tools while delivering easy access for team members.
pCloud key features
pCloud delivers several distinctive capabilities that position it as a robust option for business cloud storage:
Team organization - Arrange employees into teams with customizable group permissions or assign individual access levels for more granular control
Shared folders - Optimize team workflows through organized shared folders that control data access both within and outside the company
Comments system - Collaborate through comments on files and folders, reducing reliance on less secure chat platforms
Activity monitoring - Access detailed logs of all account activity and retrieve previous file versions when needed
pCloud Drive - Develop ideas on your computer without consuming local hard drive space through virtual drive technology
Besides these core functions, pCloud offers unlimited upload and download speeds with unmetered file size limitations. This allows teams to work efficiently with large files without technological constraints. The platform supports various operating systems, including the less common Linux distributions.
pCloud security & privacy
Security forms the foundation of pCloud's business offering with multiple protective measures:
TLS/SSL encryption - Applied during all data transfers between devices and pCloud servers
Multiple server redundancy - Files are stored on at least three separate server locations within secure data storage areas
Client-side encryption - Optional pCloud Encryption provides zero-knowledge protection where only the user holds decryption keys
The company's privacy policy explicitly states they do not sell personal information to third parties. For business users, this commitment to data protection extends to advanced security features like two-factor authentication and SSL security.
Worth noting, pCloud lets new users choose between European or US data centers, though existing users default to US servers. This geographic choice affects regulatory compliance considerations for businesses with specific data sovereignty requirements.
pCloud pricing & plans
pCloud offers straightforward business pricing options:
Plan | Monthly Price | Annual Price | Storage | Key Features |
Business | $7.99 per user | 1TB per user | Team organization, Encryption included | |
Business Pro | $19.98 per user | $15.98 per user | 2TB per user | Additional storage, Priority support |
Both plans require a minimum of three users and include the pCloud Encryption feature at no additional cost, unlike individual plans which require a separate purchase. All business subscriptions come with extended 180-day file versioning and a 30-day free trial period.
pCloud best use cases
Based on its feature set and pricing structure, pCloud excels in several business scenarios:
Document-intensive businesses - The comprehensive document management capabilities make it ideal for organizations handling numerous files that require version control and approval processes
Creative teams - The unlimited file size support and built-in media players benefit those working with audio and video files
Security-conscious organizations - Companies handling sensitive information will appreciate the client-side encryption options and the ability to choose data center locations
Distributed teams - The combination of sharing options, commenting tools, and activity monitoring creates an effective environment for remote collaboration
The platform particularly shines for businesses seeking balance between robust security and practical collaboration tools. Its virtual drive technology offers the added advantage of conserving local storage space while maintaining quick access to cloud-based files.
Tresorit
Tresorit stands out as a Swiss-based secure cloud storage solution focusing on end-to-end encryption and zero-knowledge architecture. Founded on the principle that privacy is a fundamental human right, this platform offers businesses robust security combined with practical collaboration tools.
Tresorit key features
Tresorit delivers several distinctive capabilities that make it valuable for business users:
Secure file sharing - Replace risky email attachments with encrypted share links featuring password protection, expiration dates, and download limits
Shared team folders - Collaborate securely with precise permission settings (manage, edit, or view-only)
Syncing across devices - Access files across Windows, macOS, Linux, Android, iOS, and web browsers
Version history - Restore previous file versions with comprehensive history tracking
Outlook and Gmail integration - Share secure file links directly from email platforms
Indeed, many customers praise Tresorit's synchronization capabilities, with one noting that "the syncing is fast and reliable and the app is simple to use".
Tresorit security & privacy
Security forms the core foundation of Tresorit's offering with several standout protections:
Client-side encryption - Files are encrypted before uploading, with the key known only to the user and those they share with
Zero-knowledge system - Even Tresorit cannot access your encryption keys or data
European data centers - All servers located in EU Microsoft Azure facilities with ISO27001 certification
GDPR compliance - Built-in features supporting data protection requirements
Two-factor authentication - Additional account protection beyond password security
Essentially, this approach ensures that "even if our servers were breached, no one would be able to read the personal data in the files".
Tresorit pricing & plans
Tresorit offers several business-focused plans:
Plan | Price/User/Month | Storage | File Size Limit |
Business | €14.50 | 2TB per user | 15GB |
Business Plus | €19.17 | 2TB per user | 15GB |
Enterprise | €24 | Custom | 20GB |
All plans require a minimum of three users, include 16 free eSignatures, and provide features like audit logs and custom branding.
Tresorit best use cases
Based on customer testimonials and features, Tresorit excels in several scenarios:
Healthcare organizations - HIPAA compliance makes it suitable for handling patient information, with one medical provider noting it "significantly improved our handling of sensitive medical information"
Financial services - Banks and financial institutions appreciate the ability to "exchange files with external partners" securely
Legal firms - Law offices benefit from features like data residency options and activity logs, with one noting it offers "a much higher level of security for confidential files"
Research institutions - Academic and R&D teams value the security for intellectual property, with Oxford University using it for "multidisciplinary research projects"
Throughout various industries, Tresorit consistently delivers on its promise that "extra security doesn't mean inconvenience".
Internxt
Internxt distinguishes itself as a privacy-first secure cloud storage provider based in Valencia, Spain. This platform prioritizes user control through a transparent, open-source approach that ensures businesses maintain complete ownership of their data.
Internxt key features
Internxt delivers several distinctive capabilities for business users:
Zero-knowledge architecture - Only users can access their data, as encryption occurs directly on the device before transmission
Post-quantum encryption - First cloud storage provider implementing quantum-resistant encryption protocols to protect against future threats
Multi-device synchronization - Access files across Windows, Mac, Linux, iOS, and Android devices
File redundancy - Multiple encrypted copies of files stored across European servers with 99.999999999% (11 9s) data durability
WebDAV and Rclone support - Enhanced file management and accessibility options
As a result, Internxt provides a comprehensive solution where data remains accessible only to authorized users through encryption that happens before files ever leave your device.
Internxt security & privacy
Security forms the foundation of Internxt's platform:
AES-256 encryption - Military-grade encryption protects all files during transmission and storage
Open-source code - All code is publicly available on GitHub for verification and audit
Client-side encryption - Files are encrypted locally before upload, with keys never stored on Internxt servers
GDPR compliance - Strict adherence to European data protection regulations
Two-factor authentication - Additional account protection beyond password security
Importantly, Internxt emphasizes that "neither Internxt, nor any other third-party can access your Internxt files", maintaining a genuinely private cloud environment.
Internxt pricing & plans
Internxt offers various business-focused plans:
Plan | Price | Storage | Key Features |
Business Standard | €79.99/user/year | 1TB/user | Post-quantum encryption, VPN, antivirus |
Business Pro | €89.99/user/year | 2TB/user | Additional features: Meet, Mail (coming soon) |
S3 Object Storage | €7/TB/month | Pay-as-you-go | No ingress/egress fees, up to 80% cheaper than competitors |
All business plans require a minimum of three users and include advanced security features.
Internxt best use cases
Given its feature set, Internxt excels in several scenarios:
Privacy-focused businesses - Organizations needing maximum data confidentiality benefit from the zero-knowledge architecture where not even the provider can access files
European companies - Businesses subject to GDPR requirements appreciate the Spanish-based hosting and strict compliance measures
Forward-thinking organizations - Companies concerned about future quantum computing threats will value the post-quantum encryption capabilities
Small to medium businesses - The ability to scale from 3 to 100 users makes it suitable for growing organizations requiring strong security measures
Icedrive
Headquartered in the United Kingdom, Icedrive emerges as a distinctive secure cloud storage solution that prioritizes cutting-edge encryption and affordability. This newcomer to the cloud storage market has quickly gained attention for its innovative approach to file security and lifetime subscription options.
Icedrive key features
Icedrive stands out with several notable capabilities:
Virtual drive technology – Access cloud files as if they were on your local hard drive without consuming storage space
Client-side encryption – Everything including file names gets encrypted on your device before upload
Multi-device synchronization – Seamlessly access files across Windows, macOS, Linux, iOS, and Android platforms
Preview capabilities – Uniquely allows previewing encrypted files under 50MB
One of Icedrive's most unique aspects is its virtual drive functionality, which makes cloud storage feel like a physical hard drive attached to your computer.
Icedrive security & privacy
Security represents Icedrive's primary selling point:
Twofish encryption algorithm – Unlike competitors using AES, Icedrive employs the bulletproof Twofish algorithm considered more secure
Zero-knowledge architecture – Only you can view and decrypt your data
No third-party tracking – Icedrive strictly avoids third-party analytics or tracking software
GDPR compliance – Full compliance with tools to download personal data or erase logged information
Icedrive pricing & plans
Icedrive offers flexible pricing options:
Plan | Monthly Price | Annual Price | Storage |
Free | $0 | $0 | 10GB |
Lite | $4.99 | $47.88 ($3.99/mo) | 100GB |
Pro I | $7.99 | $71.88 ($5.99/mo) | 1TB |
Pro III | $14.99 | $131.88 ($10.99/mo) | 3TB |
Additionally, Icedrive offers lifetime plans including 512GB for $299, 2TB for $479, and 10TB for $1,199.
Icedrive best use cases
Given its feature set, Icedrive works particularly well for:
Privacy-conscious individuals – Those requiring maximum data confidentiality benefit from the zero-knowledge architecture
Budget-conscious businesses – The lifetime plans provide cost-effective storage for organizations with long-term needs
Media professionals – The ability to preview encrypted media files makes it suitable for those working with sensitive audio/visual content
Overall, Icedrive delivers a compelling mix of advanced security features and affordable pricing that makes it worthy of consideration among the most secure cloud storage options available in 2025.
Proton Drive
Originating from the creators of ProtonMail, Proton Drive delivers a secure cloud storage solution with privacy at its core. This Swiss-based platform extends end-to-end encryption to every aspect of file storage and sharing, ensuring businesses maintain complete control over their sensitive data.
Proton Drive key features
Proton Drive combines robust security with practical functionality:
End-to-end encryption - All files, filenames, and folder structures are automatically encrypted before leaving your device
Secure file sharing - Share files with password protection and expiration dates, keeping you in control of who accesses your data
Cross-platform accessibility - Access files from browsers, desktop applications, and mobile devices with instant synchronization
Document collaboration - Create, edit, and collaborate on documents in real-time with colleagues through Docs in Proton Drive
Beyond these core capabilities, Proton Drive stands out for its integrated ecosystem approach, giving businesses access to encrypted email, calendar, VPN, and password management within a unified platform.
Proton Drive security & privacy
Security represents Proton Drive's fundamental strength:
Zero-access encryption - Not even Proton can access your files or see their names without permission
Swiss privacy protection - Based in Switzerland, which offers political neutrality and strong privacy laws outside US and EU jurisdiction
Advanced cryptography - Utilizes high-performance elliptic curve cryptography (ECC Curve25519)
Open-source code - All apps and encryption libraries are publicly available for independent security verification
Proton Drive has been audited by Securitum, a leading European security firm, and operates under Swiss law that specifically protects end-to-end encryption.
Proton Drive pricing & plans
Proton Drive offers several options for businesses:
Plan | Price/Month | Storage | Key Features |
Free | $0 | 5GB | Basic end-to-end encryption |
Drive Professional | $5.99/user | 1TB/user | 365-day file version history |
Business Suite | $12.99/user | 1TB/user | Includes Mail, Calendar, VPN, Pass |
Enterprise | Custom | Custom | Advanced security, dedicated support |
For a limited time, Proton offers a 25% discount on the Drive Professional annual plan.
Proton Drive best use cases
Given its feature set, Proton Drive excels for:
Legal and financial firms - Organizations handling confidential contracts, planning documents, and client files benefit from the robust security and compliance features
Healthcare providers - HIPAA compliance and end-to-end encryption make it suitable for protecting sensitive patient information
Research organizations - Institutions needing to safeguard intellectual property and confidential research data
Journalists and media - Professionals requiring protection from surveillance while collaborating on sensitive stories
IDrive
IDrive delivers versatile secure cloud storage with comprehensive backup capabilities for businesses requiring robust data protection across multiple platforms and devices.
IDrive key features
IDrive excels at protecting diverse business environments through:
Multi-device backup - Secure unlimited computers and mobile devices with a single account
Remote management - Control backups, restores, and settings via web console for on-site and remote workers
Incremental backup - Automatically recognize modified portions of files to reduce bandwidth usage
Cloud Drive - Access additional sync storage equal to your backup quota at no extra cost
IDrive Express - Rapidly transfer large datasets via physical shipment without consuming bandwidth
A standout capability is IDrive's extensive server backup support, covering Microsoft 365, Google Workspace, Dropbox, Box, SQL Server, Exchange, SharePoint, Oracle, Hyper-V, and VMware.
IDrive security & privacy
IDrive implements multiple security measures to protect business data:
256-bit AES encryption - Military-grade protection during transfer and storage
Private encryption key option - Additional security layer where keys remain unknown to IDrive
SOC 2 Type 2 certification - Independently verified by third-party auditing
ISO/IEC 27001:2022 certification - Meeting international information security standards
Regulatory compliance - Supports HIPAA, SOX, GLBA, and SEC/FINRA requirements
IDrive's data centers feature "custom designed raised floors, HVAC temperature control systems with separate cooling zones and seismically braced racks".
IDrive pricing & plans
Plan | Annual Price | Storage | Key Features |
Team | $99.50 (currently $74.62) | 5TB | 5 users/devices |
Business | $99.50-$11,599.50 | 250GB-50TB | Unlimited users/devices |
Enterprise | Custom pricing | Custom | Advanced requirements |
IDrive includes Express service free three times yearly for Business plans.
IDrive best use cases
IDrive serves effectively for:
Healthcare providers - HIPAA compliance and BAA signing capability
Financial institutions - SOX and GLBA regulatory support
Distributed workforces - Seamless management of both office and remote workers
Multi-platform environments - Supporting diverse operating systems including Windows, macOS, Linux, iOS, and Android
Box
Among enterprise secure cloud storage solutions, Box has established itself as a robust platform offering comprehensive content management with advanced security features.
Box key features
Box delivers a centralized platform for storing, sharing, and collaborating on business files with several notable capabilities:
Virtual drive technology - Access cloud content without consuming local storage space
E-signature integration - Send, track, and complete legally binding signatures directly within Box
Enterprise-grade workflow automation - Streamline routine processes with Box Relay
AI-powered content intelligence - Extract insights and automate content workflows securely
In fact, Box offers over 1,500 app integrations, allowing businesses to connect with Microsoft 365, Google Workspace, Salesforce, and other essential productivity tools.
Box security & privacy
Box emphasizes security through multiple protective measures:
AES 256-bit encryption - Military-grade protection for data at rest
Extensive compliance certifications - Including FedRAMP High, HIPAA, ISO 27001, and SOC 1/2/3
Active-active data center model - Ensures simultaneous availability from multiple locations
Recovery objectives - 8-hour recovery time objective (RTO) and 1-hour recovery point objective (RPO)
Box maintains an information security management system based on ISO 27001 and NIST 800-53 standards, with procedures for logging and monitoring security events.
Box pricing & plans
Plan | Price/User/Month | Storage | Key Features |
Business | $15 | Unlimited | Mobile security controls |
Business Plus | $25 | Unlimited | Box KeySafe, PCI DSS compliance |
Enterprise | $35 | Unlimited | HIPAA, FedRAMP compliance |
Enterprise Plus | Custom | Unlimited | Advanced security, AI features |
All plans require a minimum of three users and include unlimited external collaborators.
Box best use cases
Given its capabilities, Box works exceptionally well for:
Healthcare organizations - HIPAA compliance makes it suitable for handling patient information
Government agencies - FedRAMP High Authorization meets strict federal requirements
Financial institutions - SEC/FINRA compliance supports regulatory needs
Creative teams - Collaboration features benefit those working with visual content
Dropbox Business
With millions of users across 56% of Fortune 500 companies, Dropbox Business provides secure cloud storage that balances robust security with seamless collaboration tools.
Dropbox Business key features
Dropbox Business combines advanced storage capabilities with powerful collaboration tools:
Smart Sync technology saves local hard drive space by allowing users to access files without downloading them
Centralized admin console gives team leaders complete control over file access and sharing permissions
Document scanning captures receipts and contracts directly from mobile devices
Version history and recovery tracks changes and allows restoration of previous file versions
In addition to these capabilities, Dropbox Business integrates with over 1,500 third-party applications including Slack, Zoom, Microsoft 365, and Google Workspace, eliminating the need to switch between platforms.
Dropbox Business security & privacy
Dropbox implements multiple security layers to protect business data:
256-bit AES and SSL/TLS encryption protects files during transfer and storage
Two-factor authentication provides an additional security layer beyond passwords
Advanced administration tools allow remote wiping of devices in case of breach or theft
Extensive compliance certifications including SOC 1-3, HIPAA/HITECH, ISO 27001, and ISO 27018
First and foremost, Dropbox designed its infrastructure with multiple protection layers, including secure data transfer, encryption, and application-level controls across a scalable infrastructure.
Dropbox Business pricing & plans
Plan | Price | Storage | Key Features |
Professional | €16.58/month | 3TB | <citation index="2" link="https://www.dropbox.com/business/plans-comparison" similar_text="Restore deleted files |
Standard | €12/user/month | 5TB team total | Team folders, admin control |
Advanced | €18/user/month | 15TB+ team total | End-to-end encryption, tiered admin |
Enterprise | Custom pricing | Custom | Enterprise security, dedicated support |
Dropbox Business best use cases
Given that Dropbox Business works best for:
Creative teams - The platform's video review capabilities and collaboration tools benefit those working with multimedia content
Document-intensive businesses - Organizations handling numerous contracts benefit from e-signature integration and PDF editing features
Distributed workforces - Teams working across different countries and time zones appreciate Dropbox's seamless file access and sharing
Despite its advantages, businesses concerned about data sovereignty should note that alternatives like Drime offer European-based hosting with equally robust security features.
Conclusion
Choosing the right secure cloud storage solution remains crucial for businesses navigating today's data-intensive landscape. Throughout this comprehensive review, we've examined ten leading providers, each offering unique approaches to security, collaboration, and data management.
Security clearly stands as the cornerstone of any reliable cloud storage system. Zero-knowledge encryption, client-side protection, and comprehensive compliance certifications appear consistently across top providers. Additionally, features like two-factor authentication and advanced permission controls help safeguard sensitive business information against unauthorized access.
Beyond basic security, the most effective solutions deliver practical tools that enhance productivity. Real-time collaboration capabilities, direct file editing, electronic signatures, and seamless integration with existing business applications transform cloud storage from mere file repositories into comprehensive productivity ecosystems.
Data sovereignty also emerges as a significant consideration, especially for businesses subject to specific regulatory frameworks. Providers like Drime and Tresorit offer European-based hosting, ensuring compliance with GDPR and other regional data protection requirements.
Pricing models vary significantly across providers. While some offer generous free tiers, others deliver specialized enterprise features at premium rates. The most cost-effective solutions balance affordable pricing with comprehensive functionality, essentially eliminating the need for multiple specialized tools.
After thorough evaluation, Drime stands out with its unique combination of robust security, extensive collaboration tools, and European data protection. The platform's ability to handle large files without size restrictions, coupled with direct editing for multiple file types, creates an integrated workspace few competitors can match. Their free 20GB tier also provides businesses an opportunity to test these capabilities without financial commitment.
When selecting your ideal cloud storage solution, consider your specific security requirements, collaboration needs, regulatory obligations, and budget constraints. The most suitable provider will align closely with your organization's particular workflow and data protection priorities.
Secure cloud storage has unquestionably evolved beyond simple backup solutions. Today's leading providers deliver comprehensive digital workspaces where teams can collaborate effectively while maintaining strict security standards. Your business deserves nothing less.
FAQs
Q1. What are the top secure cloud storage options for businesses in 2025? Based on expert testing, some of the most secure cloud storage solutions for businesses in 2025 include Drime, Sync.com, pCloud, Tresorit, and Internxt. These providers offer robust encryption, advanced collaboration features, and compliance with various data protection regulations.
Q2. How does zero-knowledge encryption enhance cloud storage security? Zero-knowledge encryption, also known as client-side encryption, ensures that only the user has access to their data. Files are encrypted on the user's device before being uploaded, and the service provider never has access to the encryption keys. This provides an additional layer of privacy and security for sensitive business information.
Q3. What features should businesses look for in a secure cloud storage solution? Key features to consider include end-to-end encryption, two-factor authentication, advanced permission controls, file versioning, secure file sharing, and compliance with relevant industry standards (e.g., GDPR, HIPAA). Additionally, look for providers offering seamless collaboration tools and integration with commonly used business applications.
Q4. How does European-based cloud storage benefit businesses? Cloud storage providers based in Europe, like Drime and Tresorit, offer enhanced data protection under GDPR and other EU regulations. This can be particularly beneficial for businesses that handle EU citizens' data or those concerned about data sovereignty and privacy laws.
Q5. Are free cloud storage tiers secure enough for business use? While some providers offer secure free tiers, businesses should carefully evaluate their specific needs. Free tiers often come with limited storage and features. For sensitive data and critical business operations, it's generally recommended to opt for paid business plans that offer more robust security features, larger storage capacities, and dedicated support.
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