Checked May 22 2026
Proton
Proton sells a subscription-based suite of end-to-end encrypted productivity tools — email, VPN, cloud storage, calendar, and password manager — to privacy-conscious individuals and businesses who want a zero-knowledge alternative to Google and Microsoft.
Source mix18 reported14 company6 data vendor
Evidence notes
Who uses it: Primary users are privacy-conscious individuals (journalists, activists, NGOs, general consumers); a growing B2B segment (Proton for Business, with Essentials/Professional/Workspace/Enterprise tiers) targets organizations seeking GDPR-compliant,...[19]+5Reported
Public signals: Proton - Crunchbase Company Profile & Funding[7]Reported
Financing: Total raised is $2,550,000.[20]
Source ledger
- [1]After 350,000+ Beta Sign-Ups, ProtonMail Takes $2M To Scale Its Encrypted Email | TechCrunch
- [2]ProtonMail has raised $2M USD
- [3]In a Stunning Move, Proton Shifts Ownership to Non-Profit Foundation
- [4]How Proton AG hit $97.5M revenue with a 468 person team in 2024.
- [5]Proton's 10-Year Journey: From CERN Lab to $800M Privacy Firm | BrandHistories