Technologies / Security and identity / Proton AG
Companies using Proton AG
Proton is a privacy-focused technology company founded in Switzerland in 2014. It is used to provide an alternative internet where privacy is the default and people control their digital lives.
Summarized from proton.me on 9 Nov 2026.
Seen in5 subprocessor lists4 privacy policies
Companies using Proton AG
Subprocessor listPrivacy policyWebsiteJob postings
| Company | Evidence |
|---|---|
A company can count under more than one kind of evidence. Our coverage is partial, so this is not everyone using Proton AG.
Questions
How many companies use Proton AG?
8 companies in StrataDB's data have public evidence for Proton AG, and 5 of them name it in their own subprocessor list. Our coverage is partial, so the real number is higher.
Which companies use Proton AG?
Clavitor, Dashio, Guard Core, Lizard and Odigos, and 3 more companies. Each one links to the evidence behind it.
How does StrataDB know a company uses Proton AG?
From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.
Build your list of Proton AG customers
See every company we hold evidence for, with its source, and get an alert when a company adds or drops Proton AG.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call