Proton Drive

Swiss E2EE file storage from Proton. Strong sharing controls; less of an office suite than Nextcloud.

Proprietary · https://protonvpn.com

Files & office

Proton Drive cloud

Hosting: Global SaaS Reviewed

Swiss-hosted end-to-end encrypted drive.

Fair 1.7
Easy 4.0
Secure 5.0

FES Scores 9

Pillar	Criterion	Score	Evidence
Easy	Day-one UX Can non-technical staff use it without a project?	4	Apps for major platforms; simple sharing UX. Source
Easy	Operate Admin burden, updates, backups and language coverage.	5	Fully managed. Source
Easy	Integrate SSO, mail/CalDAV, APIs and common NGO connectors.	3	Fits Proton Mail/Calendar; fewer NGO CRM connectors. Source
Fair	Lock-in / exit Can you leave with your data in open formats, at known cost?	2	Rule baseline (rubric_v1): global SaaS APIs/export exist, but suite gravity and remapping remain. Source
Fair	Sovereignty EU legal entity, EU hosting, and exposure to extra-EU lawful access?	1	Rule baseline (rubric_v1): non-EU legal entity + global SaaS — high extra-EU lawful-access exposure. Source
Fair	Openness Open source or open standards? Are independent implementations possible?	2	Rule baseline (rubric_v1): proprietary / non-OSI license — openness capped unless open standards dominate. Source
Secure	IT security Authentication, encryption, patch cadence and independent audit.	5	E2EE and audited crypto heritage. Source
Secure	User security 2FA, roles, phishing resistance and safe defaults.	5	Passworded, expiring share links. Source
Secure	Personal data GDPR fit: DPA, residency, sub-processors and Schrems II posture.	5	Zero-knowledge storage under Swiss law. Source

Indicative scores from public information — how we score.