3 Best European Box Alternatives in 2026
The best European alternative to Box in 2026 is Tresorit, based in Switzerland. All 3 options below are European-owned, GDPR-native and ranked by feature parity and relevance.
By the EU Alternatives team Last updated
Our top pick this year is Tresorit, but every option on this list is European-owned, GDPR-native, and production-ready. Worth a closer look: Proton Drive, pCloud.
Box alternatives are mainly Cloud & Hosting. Browse any of those categories for a wider shortlist beyond this list.
Top European Box alternatives compared
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Securely store, share, and collaborate on sensitive files with end-to-end encryption. Features include data rooms, eSign, secure email, and data residency.
Tresorit is a Swiss end-to-end encrypted cloud storage and file collaboration platform with a zero-knowledge architecture: files are encrypted on your device before upload, and only you and explicitly authorised recipients can ever decrypt them. It holds the broadest compliance portfolio of any EU cloud storage solution: GDPR, HIPAA, ISO 27001, SOC 2, TISAX, ITAR, NIS2, and DORA.
Teams share files through encrypted tresor folders with granular access controls, watermarking, and the ability to revoke shared links instantly. Tresorit Engage provides secure data rooms for client and partner collaboration, while an eDiscovery module helps legal and compliance teams locate and export documents for regulatory requests.
Key benefits:
- Zero-knowledge E2E encryption means even Tresorit cannot access your files
- Encrypted team folders with granular permissions and instant access revocation
- Secure external sharing with password-protected, time-limited links
- HIPAA, TISAX, ITAR, and DORA compliance for heavily regulated industries
- eDiscovery module for locating files in response to legal and compliance requests
- Tresorit Engage with secure data rooms for client and partner document exchange
- Watermarking to trace leaked documents back to the source
- Available on Windows, macOS, iOS, Android, and web
Tresorit is headquartered in Zug, Switzerland, with operations in Budapest, Hungary. All data is stored on EU and Swiss infrastructure with customer-selectable data residency. Swiss law and GDPR govern all data handling, and the platform undergoes regular independent security audits with no U.S. entities involved in storage or processing.
Trusted by law firms, financial institutions, healthcare providers, and automotive manufacturers across Europe for provably secure file storage and external collaboration.
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Securely store, back up, and share your files with end-to-end encrypted cloud storage from Switzerland. Access your data anywhere, with privacy as a priority.
Proton Drive is the end-to-end encrypted cloud storage service from Proton, the Swiss privacy company behind ProtonMail. Every file is encrypted on your device before upload (not even Proton can access your data), and shared links can be password-protected with expiry dates. It includes Proton Docs and Sheets for encrypted real-time document and spreadsheet collaboration.
Available on web, Windows, macOS, iOS, and Android, Proton Drive syncs files automatically via a desktop folder. 5 GB of free storage is included with every Proton account, with upgrades that bundle Mail, Calendar, VPN, and Pass. An open-source codebase allows independent cryptographic verification by any researcher.
Key benefits:
- Client-side E2E encryption that encrypts files before they leave your device
- 5 GB free storage with every Proton account, no credit card required
- Password-protected sharing with configurable expiry on shared links
- Automatic mobile photo backups with encrypted collaborative album sharing
- Proton Docs and Sheets for encrypted real-time collaborative document editing
- Desktop sync folder on Windows and macOS for automatic file synchronisation
- Open-source code for independent cryptographic audit by the community
Proton AG is headquartered in Geneva, Switzerland, which operates under some of the world's strictest privacy laws, outside U.S. and UK jurisdiction. The service is GDPR-compliant, holds ISO 27001 certification, and is audited by independent security researchers. Switzerland's constitutional privacy protections and absence of mandatory data retention laws provide a legal framework stronger than most EU alternatives.
Part of the Proton ecosystem trusted by over 100 million users worldwide, from journalists and activists to enterprises requiring sovereign data storage.
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Swiss cloud storage with military-grade encryption, lifetime plans, and GDPR compliance. Store, sync, and share files securely across devices with 99.98% uptime.
Swiss cloud storage known for one-time lifetime plans: sync, share and back up files across devices, with optional client-side encryption and GDPR compliance.
