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Cloud Storage & File Sharing

As of 1 Nov 2026, the panel rates Nextcloud Files (Nextcloud Hub) (4/5), Tresorit (3.5/5) and Proton Drive (3/5) highest in Cloud Storage & File Sharing, out of 14 products evaluated. The highest-rated European option is Nextcloud Files (Nextcloud Hub) (EU-Made). Of the products whose own pages state a free plan, the panel rates Tresorit highest. Ratings are the AI panel’s opinion, formed from public evidence: how scores are made.

The bench 6 judges, built for this category

The IT Lead v1.0

Runs IT with one colleague for a 180-person machine builder with three sites and a sales office in Poland. Is retiring the old file server and wants every account provisioned from Entra ID, team folders that stay with the company when someone leaves, an audit log they can hand to the auditor, a lost laptop wiped remotely, and a way back to the last clean state if ransomware ever encrypts a share.

The Data Protection Officer v1.0

External data protection officer for a hospital group, two care providers and a payroll bureau, where the files are patient letters and salary statements. Reads who holds the keys before the feature page, asks whether end-to-end encryption survives a share link and the office editor, and wants the subprocessor list, the storage location and the contracting entity in writing before a single folder moves.

The Architecture Practice Partner v1.0

Partner in a 25-person architecture practice in Hamburg whose CAD and BIM models run to several gigabytes each, worked on from the office, from home and on the building site. Needs files on demand so laptops do not fill up, sync that sends only what changed, a drive letter the CAD software accepts, phones that open plans offline in a basement, and structural engineers who can pick up a folder without an account.

The Tax Adviser v1.0

Runs a tax practice with eleven staff and 400 clients, bound by professional secrecy under §203 StGB. Receives receipts, payslips and annual accounts from clients who will not install anything, and sends back drafts that must not end up in a forwarded email. Needs upload links, shares with expiry and passwords, a record of who downloaded what, and a provider that cannot read the files it stores.

The Agency Producer v1.0

Producer at a 30-person video and design agency in Cologne that sends cuts, layouts and raw footage to customers every day and collects their feedback. Wants review links that play in the browser, comments on the file, transfers of 100 GB that do not stall, freelancers added for one project and removed after it, connections to Slack and the project tool, and a storage bill that does not jump when one shoot fills a terabyte.

The Skeptic v1.0

Has seen "end-to-end encrypted" on a service that switches it off for shared folders, "hosted in Germany" on storage whose accounts and support run from the US, and "lifetime" plans from a company two years old. Reads that a product is "GDPR-compliant" and asks who holds the keys, whether ten years of folders, versions and shares can be exported in a form another provider imports — and what leaving would cost.

Every judge is AI, versioned, and scores independently against the same published anchors — disagreement is printed, not averaged away.

Head-to-head

Evaluated

Listed alphabetically by default. Sorting by rating or sovereignty is your choice and follows the published method. Scores are the panel’s opinion, formed from public evidence. How scores are made →

DRACOON

EU origin, foreign-owned
Panel rating

Sovereignty: not determined

Dropbox

Rest of world
Panel rating

Sovereignty: not determined

Filen

EU-Made
Panel rating

Sovereignty: not determined

Google Drive (Google Workspace)

Rest of world
Panel rating

Sovereignty: not determined

Infomaniak kDrive

UK / wider Europe
Panel rating

Sovereignty: not determined

Internxt Drive

EU-Made
Panel rating

Sovereignty: not determined

Jottacloud Business

UK / wider Europe
Panel rating

Sovereignty: not determined

luckycloud Business

EU-Made
Panel rating

Sovereignty: not determined

Microsoft OneDrive for Business

Rest of world
Panel rating

Sovereignty: not determined

Nextcloud Files (Nextcloud Hub)

EU-Made
Panel rating

Sovereignty: not determined

pCloud Business

UK / wider Europe
Panel rating

Sovereignty: not determined

Proton Drive

UK / wider Europe
Panel rating

Sovereignty: not determined

STRATO HiDrive Business

EU-Made
Panel rating

Sovereignty: not determined

Tresorit

UK / wider Europe
Panel rating

Sovereignty: not determined

Questions about Cloud Storage & File Sharing software

What is the best Cloud Storage & File Sharing software?

As of 1 Nov 2026, the panel rates Nextcloud Files (Nextcloud Hub) (4/5), Tresorit (3.5/5) and Proton Drive (3/5) highest of the 14 Cloud Storage & File Sharing products evaluated. The ratings are the AI panel’s opinion, formed from public evidence. Each judge weighs the criteria differently, so read the scores for the criteria that matter to you.

Which Cloud Storage & File Sharing software is European?

As of 1 Nov 2026, 11 of the 14 Cloud Storage & File Sharing products evaluated are European by provenance: Nextcloud Files (Nextcloud Hub), Tresorit, Proton Drive, DRACOON, Infomaniak kDrive, luckycloud Business, Filen, pCloud Business, and 3 more (see the full list). The highest-rated of them is Nextcloud Files (Nextcloud Hub) (EU-Made).

Which Cloud Storage & File Sharing tools have a free plan?

As of 1 Nov 2026, the vendors’ own pages state a free plan for Tresorit, Proton Drive, Microsoft OneDrive for Business, Filen, Internxt Drive, Jottacloud Business and STRATO HiDrive Business. Each product page links the pricing page it was read from.

How were these Cloud Storage & File Sharing tools evaluated?

Each product is scored by a bench of 6 AI judges built for this category, against the same published rubric of 7 criteria, using public evidence captured from the vendor’s own pages. Every score is AI-generated; nobody tested the products hands-on, and no score can be bought. The full method is on the methodology page.