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Technologies / OpenAI / Thomson Reuters

Companies using OpenAI and Thomson Reuters

3 companies in our data have public evidence for both OpenAI and Thomson Reuters, and 3 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.

3companies use both
under 1%of OpenAI users
75%of Thomson Reuters users
3name 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

CompanyOpenAIThomson Reuters
Cartacarta.comCarta provides software for managing equity, fund administration, and legal and compliance workflows for private capital.Finance and accounting software
EisnerAmpereisneramper.comEisnerAmper provides accounting and audit, tax, advisory, and outsourcing services.Compliance and riskConsulting and services
GeoComplygeocomply.comGeoComply provides geolocation, KYC, and anti-fraud compliance solutions for online platforms.Compliance and risk

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 3,355 companies we see using OpenAI also show the other.

All 3,355 companies using OpenAI2,571 name it as a subprocessorMore in AI and LLM providers

Thomson Reuters

Security and identity

Thomson Reuters is a provider of business information services, offering specialized information-enabled software and tools for legal, tax, accounting and compliance professionals, along with the Reuters news service. Its products are used by these professionals and by news and media organizations to access information and support their work.

Summarized from investors.thomsonreuters.com on 8 Nov 2026.

75% of the 4 companies we see using Thomson Reuters also show the other.

All 4 companies using Thomson ReutersMore in Security and identity

Other pairs

Companies with their own evidence for both.

More with OpenAI

Cloudflare3,342companiesGoogle Workspace2,516companiesAnthropic2,033companiesAmazon Web Services1,918companiesStripe1,688companiesGoogle1,583companies

Questions

How many companies use both OpenAI and Thomson Reuters?

3 companies in StrataDB's data have public evidence for both, and 3 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 Thomson Reuters?

Carta, EisnerAmper and GeoComply. Each one links to the evidence behind it.

How does StrataDB know a company uses OpenAI and Thomson Reuters?

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 Thomson Reuters

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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