Register No. 074

Is Proton European?

Verified European

Yes. Proton is under verified European control.

Latest

  1. Proton hits back. In a public statement, Proton denied tracking how much AI code its staff write and said its use of AI will never come at the expense of security. x.com ↗

  2. CEO backs down on AI re-interviews. Andy Yen called off the nearly company-wide interviews on how staff use AI, but said he would keep pushing. Users downvoted his reply on Reddit more than 1,200 times. 404media.co ↗

  3. "Loser thinking". 404 Media reported that Yen dismissed a staffer's request to pentest code before release, that AI, largely the American Claude, wrote 90% of Proton's October code, and that 2026 is its last year of hiring engineers. it-connect.tech ↗

Controlled by
Proton Foundation (primary shareholder), Proton employees, FONGIT and Proton users
Control sits in
Switzerland
Legal entity
Proton AG
Seat
Geneva, Switzerland
Last checked

About Proton

Proton makes encrypted email, a calendar, cloud storage, documents, a password manager, a VPN and the Lumo AI assistant. It was started by scientists who met at CERN and is based in Geneva. Every service is free to start, and paid plans add storage and features.

Evidence 3

  1. Proton ownership disclosureproton.me ↗
  2. Proton Foundation governance and controlproton.me ↗
  3. Proton legal and privacy informationproton.me ↗

Sources were opened and read on the date of the check. Registers and websites change; if one of these no longer says what we cite it for, tell us.

Products 7

Proton Mail

proton.me ↗

Encrypted email from Switzerland

Proton Mail is an encrypted email provider founded by scientists at CERN with the goal of protecting the privacy of the people using it. Messages are end-to-end encrypted and the servers stand in Switzerland, so Proton Mail has no way of reading your data. The service is free to start, carries no advertising and does not track you.

Instead of
Gmail and Outlook
Pricing
The free plan includes 1 GB of storage. Plus costs 4.99 euro per month or 36 euro per year for 15 GB. Proton Unlimited adds 500 GB and all Proton services for 12.99 euro per month or 119 euro per year.
Suits
Anyone who wants private email under Swiss law

Free plan

Proton Drive

proton.me ↗

Encrypted cloud storage from Switzerland

Proton Drive is a cloud storage service built for privacy by the Swiss company Proton, the maker of Proton Mail, Proton Calendar and Proton VPN. Files are end-to-end encrypted, so only the owner and invited collaborators can read them, and shared links can be given a password, an expiry date and specific permissions.

Instead of
Dropbox, Google Drive and Google Photos
Pricing
5 GB is free. The Plus plan gives 200 GB for 4.99 euro per month or 36 euro per year. Proton Unlimited bundles 500 GB with Mail, Calendar, VPN and Pass for 12.99 euro per month or 119 euro per year.
Suits
People who want encrypted storage for sensitive files

Free plan

Proton Pass

proton.me ↗

Open source password manager from Switzerland

Proton Pass is a password manager from Switzerland. It is open source and independently audited, generates strong passwords, fills them in on all your devices, shares them through vaults and stores encrypted notes. It also works as an identity manager by creating email aliases that hide your real address. There are apps for iOS and Android and add-ons for all major browsers.

Instead of
1Password and LastPass
Pricing
The free plan includes unlimited logins and notes on unlimited devices, vault sharing with up to three people and ten email aliases. Plus costs 4.99 euro per month and adds unlimited aliases, integrated 2FA, multiple vaults and sharing with up to ten people.
Suits
People who want an audited, encrypted password vault

Free plan

Proton VPN

protonvpn.com ↗

Privacy focused VPN from Switzerland

Proton VPN is a VPN service from the Swiss company Proton with a wide feature set and a strong focus on privacy. Unusually for a VPN, it offers several plans with different feature sets rather than one product for everybody, including a free tier.

Instead of
NordVPN and ExpressVPN
Pricing
There are four plans: Free, Basic at 5 euro per month, Plus at 10 euro per month and Visionary at 30 euro per month. A one-year commitment is 20 percent cheaper and a two-year commitment 33 percent cheaper.
Suits
People who want a VPN with a usable free tier

Free plan

Proton Calendar

proton.me ↗

Encrypted calendar from Switzerland

Proton Calendar is a calendar service from the Swiss company Proton with a strong focus on privacy. It uses zero-knowledge encryption, which means the company cannot read the contents of your calendar even though the entries are stored on its servers.

Instead of
Google Calendar and Outlook Calendar
Suits
People who want their calendar encrypted end-to-end

Proton Docs

proton.me ↗

Encrypted document collaboration from Switzerland

Proton Docs is a document collaboration service from the Swiss company Proton. Several people can work on a document at the same time, leave comments and add photos, and everything is stored securely. It is part of the wider Proton Drive product, together with the spreadsheet tool Proton Sheets.

Instead of
Google Docs and Microsoft 365 Online
Pricing
A limited free version is available. Advanced features, more storage and custom domains need a paid subscription such as Proton Unlimited or Visionary, starting at roughly 8 euro per month.
Suits
Teams that want private, real time document editing

Free plan

Lumo

lumo.proton.me ↗

Proton’s AI assistant with encrypted saved conversations

Lumo is a hosted AI assistant operated by Proton AG in Switzerland. It supports writing, questions, files, images and projects, with guest access and Free, Plus and business plans. Proton says inference runs on infrastructure it controls in Europe.

Instead of
ChatGPT
Pricing
Checked 18 September 2026 in EUR: Free has limits; Plus is €12.99 monthly or €119.88 billed annually (€9.99/month equivalent). Professional is €14.99/user monthly or €143.88/user annually; business taxes may apply. Consumer tax treatment was not itemized on the price page. Subscriptions renew automatically and paid use is subject to fair use. The terms limit initial refunds to unused days within 30 days, with payment-method exceptions.
Suits
Everyday writing and questions with encrypted saved history

Free plan

Operations

Who runs the parts of the service we could observe from outside, checked 4 September 2026. A provider's control can differ from where its servers stand.

PartProviderProvider controlWhat we saw
Public website Proton European A 185.70.42.45 · AS62371 [1] [2]
Incoming email Proton Mail European MX 10 mail.protonmail.ch · 20 mailsec.protonmail.ch [1]
Outgoing email Proton Mail European SPF _spf.protonmail.ch [1]

Badge

Proton can show its verified European ownership with a badge that links back to this page. If the verdict ever changes, the badge stops working.

Proton: European owned, verified by eu-alt.eu

Also available in black and white, and as a compact badge: change blue to black or white, or ownership to ownership-compact.