Proton is a privacy-focused technology company headquartered in Geneva, Switzerland, founded in 2014. It develops and operates a suite of privacy-first tools designed to provide secure alternatives to mainstream digital services. The company is structured as a for-profit entity with a non-profit primary shareholder, the Proton Foundation, and operates with complete independence, having taken no venture capital funding. All of its services are open-source and independently audited for security.
The company's flagship product, Proton Mail, is the world's largest end-to-end encrypted email service, serving over 100 million users and organizations worldwide. It is recommended by the United Nations and endorsed by millions globally. Beyond email, Proton's suite includes Proton VPN (a virtual private network), Proton Drive (encrypted cloud storage), Proton Calendar, Proton Pass (a password manager), Proton Docs and Proton Sheets for document and spreadsheet editing, Proton Meet for video conferencing, Proton Wallet for cryptocurrency, and Lumo AI, an AI assistant.
Technical work at Proton spans end-to-end encryption, cryptography, open-source software development, security auditing, VPN technology, cloud storage, password management, and AI. The company's stated mission is building a better internet where privacy is the default.






