Companies using Grok and PostHog

6 companies in our data have public evidence for both Grok and PostHog, 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

55%of Grok users

under 1%of PostHog users

4name both as subprocessors

Companies using one are 7.3 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	Grok	PostHog
Blacksmithblacksmith.shBlacksmith provides a drop-in replacement for GitHub Actions runners that runs CI jobs on faster hardware with co-located caching.Developer tools
Bluejaygetbluejay.aiBluejay provides a platform to test, monitor, and improve voice and chat AI agents through simulations and observability.AI and machine learning
GloriaMundogloriamundo.comGloriaMundo provides AI workflow automation that lets users describe a task in plain language and preview the proposed workflow, including its steps and costs, before running it.AI and machine learning Productivity and collaboration
GTWYgtwy.aiGTWY provides embedded agent infrastructure that lets software platforms offer their own users a builder for AI agents, with isolation, white-labeling, and per-customer usage metering.AI and machine learning
Nomanomahq.appNoma is an answer engine optimisation platform that tracks how often AI engines name a brand, where it ranks, and the sentiment used.AI and machine learning Marketing
Visual Sentinelvisualsentinel.comVisual Sentinel monitors websites for downtime, broken pages, visual changes, certificate and DNS issues, and server health, and sends alerts through channels such as email, Slack, and WhatsApp.Cloud and infrastructure

The two technologies

Grok

AI and LLM providers

Grok is a chat service. It is used to send messages and get responses.

Summarized from grok.com on 9 Nov 2026.

55% of the 11 companies we see using Grok also show the other.

All 11 companies using Grok 9 name it as a subprocessor More in AI and LLM providers

PostHog

Analytics

PostHog is a platform that ingests and stores product analytics, errors, session replays, and business data so teams and their AI agents can query and act on it. It is used to answer product questions, investigate issues across tools, and give agents product context.

Summarized from posthog.com on 8 Nov 2026.

under 1% of the 1,789 companies we see using PostHog also show the other.

All 1,789 companies using PostHog 1,133 name it as a subprocessor More in Analytics

Other pairs

Companies with their own evidence for both.

More with Grok

Anthropic10companies

Cloudflare10companies

Google Workspace8companies

OpenAI7companies

Google Gemini6companies

Mistral AI6companies

Questions

How many companies use both Grok and PostHog?

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 Grok and PostHog?

Blacksmith, Bluejay, GloriaMundo, GTWY and Noma, and 1 more company. Each one links to the evidence behind it.

How does StrataDB know a company uses Grok and PostHog?

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 Grok and PostHog

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.

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