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Technologies / Anthropic / HeyReach

Companies using Anthropic and HeyReach

5 companies in our data have public evidence for both Anthropic and HeyReach, 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.

5companies use both
under 1%of Anthropic users
83%of HeyReach users
3name both as subprocessors

Companies using one are 6.7 times as likely as the average company in our data to show evidence of the other.

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

CompanyAnthropicHeyReach
Aurora SREaurorasre.aiAurora is an open-source AI-powered incident management and root cause analysis tool for Site Reliability Engineers.AI and machine learningCloud and infrastructure
Frecklefreckle.ioFreckle provides a CLI for running GTM workflows and enrichments from the terminal.Sales
Loopsterloopster.aiLoopster provides a GTM orchestration platform with unlimited contact data enrichment, including work and personal emails and phones.Sales
GTM Brigadegtmbrigade.comGTM Brigade provides AI outbound and LinkedIn engagement tools that find warm leads from post reactions and comments and draft outreach.Sales
SeedForgeseedforge.comSeedForge provides a private profile where founders upload their deck and documents for investors to follow.

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

HeyReach

CRM and sales

HeyReach is a LinkedIn automation tool that lets users connect multiple LinkedIn accounts, automate outreach steps such as connection requests and messages, and manage replies in a unified inbox. It is used to run and scale LinkedIn outbound prospecting campaigns.

Summarized from heyreach.io on 9 Nov 2026.

83% of the 6 companies we see using HeyReach also show the other.

All 6 companies using HeyReachMore in CRM and sales

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,905companiesGoogle Workspace2,134companiesOpenAI1,997companiesAmazon Web Services1,556companiesStripe1,532companiesGoogle1,415companies

More with HeyReach

Cloudflare6companiesOpenAI6companiesGoogle Workspace5companies

Questions

How many companies use both Anthropic and HeyReach?

5 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 HeyReach?

Aurora SRE, Freckle, Loopster, GTM Brigade and SeedForge. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and HeyReach?

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 HeyReach

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