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Technologies / Anthropic / Missive

Companies using Anthropic and Missive

4 companies in our data have public evidence for both Anthropic and Missive, 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
under 1%of Anthropic users
50%of Missive 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

CompanyAnthropicMissive
Andzenandzen.coAndzen is a customer journey and CRM agency that provides email, SMS, and Messenger marketing services.E-commerceMarketing
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

The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

under 1% of the 2,910 companies we see using Anthropic also show the other.

All 2,910 companies using Anthropic2,239 name it as a subprocessorMore in AI and LLM providers

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.

50% of the 8 companies we see using Missive also show the other.

All 8 companies using Missive8 name it as a subprocessorMore in Email and communications

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,900companiesGoogle Workspace2,130companiesOpenAI1,994companiesAmazon Web Services1,557companiesStripe1,526companiesGoogle1,413companies

More with Missive

Cloudflare8companiesGoogle Workspace6companies

Questions

How many companies use both Anthropic and Missive?

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 Anthropic and Missive?

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

How does StrataDB know a company uses Anthropic and Missive?

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 Anthropic and Missive

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
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call