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Technologies / Anthropic / Harness

Companies using Anthropic and Harness

3 companies in our data have public evidence for both Anthropic and Harness, 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 Anthropic users
60%of Harness 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

CompanyAnthropicHarness
Chargify is now Maxiochargify.comMaxio provides a billing and financial operations platform for subscription, usage-based, and hybrid billing, along with quoting, revenue recognition, and reporting.Finance and accounting software
Ignite Readingignite-reading.comIgnite Reading provides 1:1 early literacy intervention with certified reading tutors using a Science of Reading-aligned curriculum.Education
Maxiomaxio.comMaxio provides billing, subscription management, revenue recognition, and financial reporting software.Finance and accounting software

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 2,926 companies we see using Anthropic also show the other.

All 2,926 companies using Anthropic2,246 name it as a subprocessorMore in AI and LLM providers

Harness

Developer tools

Harness is an Autonomous SDLC Platform. It is used to ship AI code, catch risk before it ships, and govern every pipeline.

Summarized from harness.io on 8 Nov 2026.

60% of the 5 companies we see using Harness also show the other.

All 5 companies using Harness5 name it as a subprocessorMore in Developer tools

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,907companiesGoogle Workspace2,134companiesOpenAI1,998companiesAmazon Web Services1,554companiesStripe1,535companiesGoogle1,415companies

More with Harness

Amazon Web Services5companiesCloudflare5companiesHubSpot5companies

Questions

How many companies use both Anthropic and Harness?

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 Anthropic and Harness?

Chargify is now Maxio, Ignite Reading and Maxio. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and Harness?

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 Harness

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