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Technologies / Missive / OpenAI

Companies using Missive and OpenAI

4 companies in our data have public evidence for both Missive and OpenAI, and 4 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.

4companies use both
44%of Missive users
under 1%of OpenAI users
4name 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

CompanyMissiveOpenAI
Archarch.comArch turns investment documents such as statements, capital calls, and K-1s into reporting-ready data for private markets.Data and analytics
Import2import2.comImport2 provides one-click data migration from over 80 apps.
Jolly Learningjollylearning.comJolly Learning publishes phonics and literacy education programmes, including Jolly Phonics, Jolly Literacy and Jolly English.Education
Pin Droppindrop.itPin Drop is a map-based app where teams log visits, notes, photos and tasks against places on a shared live map.Productivity and collaboration

The two technologies

Missive

Email and communications

Missive is an inbox collaboration tool for teams that run on email. It is used to turn emails into trackable tasks, give teams shared inboxes, and let people discuss emails and coordinate work without leaving the inbox.

Summarized from missiveapp.com on 9 Nov 2026.

44% of the 9 companies we see using Missive also show the other.

All 9 companies using Missive9 name it as a subprocessorMore in Email and communications

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 3,377 companies we see using OpenAI also show the other.

All 3,377 companies using OpenAI2,584 name it as a subprocessorMore in AI and LLM providers

Other pairs

Companies with their own evidence for both.

More with Missive

Cloudflare9companiesGoogle Workspace7companiesAnthropic5companiesStripe5companies

More with OpenAI

Cloudflare3,356companiesGoogle Workspace2,525companiesAnthropic2,044companiesAmazon Web Services1,924companiesStripe1,697companiesGoogle1,589companies

Questions

How many companies use both Missive and OpenAI?

4 companies in StrataDB's data have public evidence for both, and 4 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 Missive and OpenAI?

Arch, Import2, Jolly Learning and Pin Drop. Each one links to the evidence behind it.

How does StrataDB know a company uses Missive and OpenAI?

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 Missive and OpenAI

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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