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Technologies / OpenAI / Proton AG

Companies using OpenAI and Proton AG

2 companies in our data have public evidence for both OpenAI and Proton AG, and 2 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

2companies use both
under 1%of OpenAI users
25%of Proton AG users
2name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyOpenAIProton AG
Dashiodashio.netDashio provides a platform for registering, configuring, and protecting domains, including DNS management and DNSSEC.
Odigosodigos.ioOdigos is a production context platform that records what runs inside services live without code changes.Developer tools

The two technologies

OpenAI

AI and LLM providers

OpenAI is a platform that provides an API for building with OpenAI models. It is used to access models, tools, and services for tasks such as text generation, image generation, audio, and agents.

Summarized from developers.openai.com on 8 Nov 2026.

under 1% of the 3,324 companies we see using OpenAI also show the other.

All 3,324 companies using OpenAI2,547 name it as a subprocessorMore in AI and LLM providers

Proton AG

Security and identity

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.

25% of the 8 companies we see using Proton AG also show the other.

All 8 companies using Proton AG5 name it as a subprocessorMore in Security and identity

Other pairs

Companies with their own evidence for both.

More with OpenAI

Cloudflare3,304companiesGoogle Workspace2,490companiesAnthropic2,006companiesAmazon Web Services1,897companiesStripe1,661companiesGoogle1,560companies

More with Proton AG

Cloudflare8companies

Questions

How many companies use both OpenAI and Proton AG?

2 companies in StrataDB's data have public evidence for both, and 2 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use OpenAI and Proton AG?

Dashio and Odigos. Each one links to the evidence behind it.

How does StrataDB know a company uses OpenAI and 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.

Find every company using OpenAI and Proton AG

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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