
Secure, privacy-first email built in Switzerland
Proton Mail is an end-to-end encrypted email service based in Switzerland, designed to protect your communications with zero-access encryption. Founded in 2014 by CERN scientists, it provides a privacy-focused alternative to mainstream email providers with strong legal protections under Swiss law.
OpenPGP implementation ensures complete privacy for emails between Proton users with zero-access encryption for all stored messages
Data protected under Switzerland's strict privacy regulations, requiring valid Swiss court orders for any disclosure
Even Proton cannot read your emails - all data is encrypted on your device before reaching their servers
Use your own business domain with Proton Mail's secure infrastructure on paid plans
Automated tool to easily transfer emails, contacts, and calendars from Gmail and other providers
Access to Proton Calendar, Drive, VPN, Pass password manager, and Wallet in higher-tier plans
SOC 2 Type II certified with features designed to help businesses comply with major privacy regulations
HIPAA-compliant encrypted email for patient communications, medical records sharing, and confidential healthcare provider collaboration
Secure attorney-client communications with privileged information protection under Swiss privacy laws and regulatory compliance
Protected source communications and sensitive document sharing for investigative journalism and human rights work
Complete Google Workspace alternative with encrypted email, calendar, documents, and cloud storage for organizations prioritizing data privacy
Best overall secure email for users who want maximum privacy with minimum friction — the rare provider that makes encryption invisible enough for daily use.
Best for users who prioritize privacy, data sovereignty, and regulatory compliance above all else. If you handle sensitive communications — in healthcare, legal, journalism, activism, or simply as a matter of principle — Proton Mail delivers encryption and legal protections that Gmail architecturally cannot match.
Web, desktop apps, and mobile apps for iOS and Android with consistent encryption across all platforms
GDPR, CCPA, and industry-specific compliance for finance, legal, and healthcare sectors requiring encryption and data residency controls

Secure and private email with integrated productivity