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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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Filen | Star Stack

Services
Filen

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Filen

Name: Filen
Author: Star Stack

German zero-knowledge encrypted cloud storage with open source clients

Object Storage

Visit Website GitHub

About

Filen is a cloud storage service that encrypts all data client-side using AES 256-bit encryption before it leaves your device. It is designed for users who require strict privacy and data sovereignty, with all infrastructure and development based in Germany.

Resources

No migration guide is currently listed for this service.

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Sovereignty Score

Recorded assessment version: jurisdiction-ownership-2026-10-04

out of 100

Data completeness50% (Partial)

Jurisdictional(56%)

100

Excellent jurisdictional protection with EU-only legal exposure

Jurisdiction: Germany (EU member)
No foreign parent provider

Ownership(44%)

Strong EU ownership and control

Bootstrapped (self-funded)
Funding: Self-funded, Germany
Bootstrapped stage
Low acquisition risk (bootstrapped, no investor pressure) (No VC exit timeline, founders retain full control)

More dimensions coming soon

GovernanceComing soon

PortabilityComing soon

LicenseComing soon

CommunityComing soon

How missing data affects scores Submit data corrections

Provider

Filen Cloud Dienste UG (haftungsbeschränkt)

Quick Facts

Legal jurisdiction: Germany, EU
Headquarters: Germany, EU
Ownership: Bootstrapped
License: AGPL-3.0
Funding: Self-funded, Germany

Evidence and freshness

Verification date unknown. This assessment needs review.

A score is an assessment of recorded facts. Missing evidence and unresolved ownership can affect the result.

No field-level sources recorded for this service.