Proton
European Security & Privacy Software
Proton is a European alternative to
Swiss privacy suite. Encrypted email, VPN, calendar, drive. Used by millions.
Proton is a European alternative to Gmail, Google Drive, iCloud. Pricing: Free tier, from €3.99/mo.
Proton is headquartered in Switzerland, so it is bound by the Swiss Federal Act on Data Protection. It stores customer data in Europe.
European headquarters
Headquartered in Geneva, Switzerland, as stated in its own legal pages.
Data residency: EU only
Customer data is hosted in Europe.
Bound by the Swiss Federal Act on Data Protection
Its headquarters puts it under the Swiss Federal Act on Data Protection, not under US law.
Open source
The source code is public, so you can inspect it.
The baseline international standard for information security management systems.
US audit report on security, availability, and confidentiality controls. Often demanded in enterprise deals.
Certifications are recorded from the vendor's own published statements and can lapse or change scope. Always confirm current status and scope with Proton before relying on it for procurement.
Free
1GB email, limited VPN, 5GB Drive
Mail Plus
15GB email, custom domain
Unlimited
500GB storage, all apps, 10 email addresses
Business
Team management, custom domain
Visit Proton for the latest pricing details.
Ready to try Proton?
Free tier, from €3.99/mo. Check the current plans and terms on Proton's own website.
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