SuniDrive
FeaturedVerifiedSwiss sovereign cloud storage for business
sunitech.ch/driveLast updated: June 2026
SuniDrive is a Swiss sovereign cloud storage and file collaboration platform by Sunitech. It offers zero-knowledge encryption, anti-ransomware point-in-time restore, Windows on-demand files and Microsoft 365 SSO, with all data hosted on dedicated infrastructure in Switzerland.
About
SuniDrive is a Swiss sovereign cloud storage and collaboration platform, built by Sunitech for businesses that handle sensitive data. It lets teams store, share and collaborate on documents while keeping every file inside Switzerland on dedicated, per-client infrastructure.
The platform is designed around confidentiality. Files are encrypted on the user device before they are uploaded, using a zero-knowledge model in which Sunitech itself cannot read the content. Data is hosted exclusively in Switzerland, which keeps it outside the reach of the US Cloud Act, and the Business tier provides exportable audit trails for nLPD compliance.
Day to day it behaves like the file experience users already know. A Windows client provides on-demand files with zero disk footprint through Explorer, a macOS app is on the way, and access is also available over the web and WebDAV. Microsoft 365 single sign-on removes the need for yet another password.
Positioning
SuniDrive is positioned as the sovereign Swiss alternative to mainstream US cloud storage such as OneDrive, Google Drive and Dropbox, aimed at professions that cannot afford to send client data abroad.
- Swiss only: data stored exclusively in Switzerland on dedicated per-client infrastructure.
- Zero-knowledge: files encrypted on the device before upload, unreadable by the provider.
- Ransomware resilient: point-in-time restore of folders or entire drives to a previous state.
- Familiar workflow: Windows on-demand files, web and WebDAV access, Microsoft 365 SSO.
- White-label ready: custom name, colors and logo for partners and MSPs.
What You Get
- Secure document storage, sharing and team collaboration
- Zero-knowledge end-to-end encryption performed on the user device
- Anti-ransomware point-in-time restoration for folders and whole drives
- Windows Explorer integration with on-demand files and zero disk footprint
- Web access and WebDAV support, with a macOS app announced as coming soon
- Microsoft 365 single sign-on
- Structured document management with classification by type and metadata
- nLPD-aligned audit logs on the Business tier
- White-label branding options
- Business plan at 14.90 CHF per user per month with 2 TB per user, extra storage at 2 CHF per 100 GB
Core Areas
Cloud storage
Swiss-hosted, per-client dedicated storage
Security and encryption
zero-knowledge encryption and ransomware-resistant restore
Collaboration
sharing, structured document management and metadata classification
Compatibility
Windows on-demand files, web, WebDAV and Microsoft 365 SSO
Compliance
nLPD alignment with exportable audit trails, outside US Cloud Act jurisdiction
Why It Matters
Fiduciaries, law offices, notaries, medical practices and HR teams handle exactly the kind of data that should never sit on a US-controlled cloud. Mainstream storage services are convenient, but they place that data under foreign jurisdiction and, in most cases, give the provider the technical ability to read it.
SuniDrive answers both concerns at once. Swiss-only hosting keeps the data under Swiss law, and zero-knowledge encryption means even Sunitech cannot access file contents. Add point-in-time restore against ransomware and a familiar Explorer experience, and a regulated business gets sovereignty and security without forcing staff to change how they work.
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