Proton Mail

CH · Switzerland

End-to-end encrypted email and productivity suite operated by Proton AG, based in Switzerland.

email vpn file-storage calendar password-manager

Overall confidenceMedium

Sovereignty assessment

Reviewed 18 June 2026

Each line summarises public information reviewed by SovEU, with a confidence level and a link to the source where available. It is not a compliance verdict.

HQ jurisdiction
Switzerland
Medium
Based on public information reviewed on 18 June 2026.
Evidence
Primary hosting region
Switzerland
Medium
Based on public information reviewed on 18 June 2026.
Evidence
Self-hosting option
No
Medium
Public evidence not found as of 18 June 2026.
Open source
Partial
Medium
Based on public information reviewed on 18 June 2026.
Evidence

Evidence reviewed

Signals

European company
Open source

A European alternative to

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