Companies using HeyReach and OpenAI

6 companies in our data have public evidence for both HeyReach 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.

6companies use both

100%of HeyReach users

under 1%of OpenAI users

4name both as subprocessors

Companies using one are 7.1 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

Company	HeyReach	OpenAI
Ahrefsahrefs.comAhrefs provides SEO and marketing tools for search analytics, keyword research, site audits, and brand visibility tracking.AI and machine learning Marketing
Aurora SREaurorasre.aiAurora is an open-source AI-powered incident management and root cause analysis tool for Site Reliability Engineers.AI and machine learning Cloud 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

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.

100% of the 6 companies we see using HeyReach also show the other.

All 6 companies using HeyReach More in CRM and sales

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 3,285 companies we see using OpenAI also show the other.

All 3,285 companies using OpenAI 2,522 name it as a subprocessor More in AI and LLM providers

Industries

Among the companies above, by our own classification of their homepage.

Sales3 AI and machine learning2

Other pairs

Companies with their own evidence for both.

More with HeyReach

Cloudflare6companies

Anthropic5companies

Google Workspace5companies

More with OpenAI

Cloudflare3,268companies

Google Workspace2,464companies

Anthropic1,987companies

Amazon Web Services1,885companies

Stripe1,638companies

Google1,541companies

Questions

How many companies use both HeyReach and OpenAI?

6 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 HeyReach and OpenAI?

Ahrefs, Aurora SRE, Freckle, Loopster and GTM Brigade, and 1 more company. Each one links to the evidence behind it.

How does StrataDB know a company uses HeyReach 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 HeyReach 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
100 API calls a month, plus MCP and the Chrome extension
Work email only. No card, no sales call