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Technologies / AgentMail / Google Tag Manager

Companies using AgentMail and Google Tag Manager

4 companies in our data have public evidence for both AgentMail and Google Tag Manager, and 1 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
44%of AgentMail users
under 1%of Google Tag Manager users
1name 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

CompanyAgentMailGoogle Tag Manager
Luaheylua.aiLua provides a workspace where people and AI agent teams work together, with agents doing tasks in connected tools and asking for human approval before important actions.AI and machine learningProductivity and collaboration
Appy.AIAppy.AI provides AI coworkers that handle business tasks for marketing, sales, finance, and operations teams.AI and machine learningProductivity and collaboration
Holmesuseholmes.comHolmes is an AI QA platform that tests web apps, mobile apps, and APIs using autonomous agents.AI and machine learningDeveloper tools
Agent Plannersagentplanners.comAgent Planners runs marketing and growth tasks across connected ad and analytics platforms on its own, planning, executing and reviewing within spend caps and protected campaigns.AI and machine learningMarketing

The two technologies

AgentMail

Email and communications

AgentMail is an email service that gives AI agents their own inboxes, which can be provisioned through an API call. It is used so that agents can send, receive, and reply to email, with threads and attachments kept under one conversation.

Summarized from agentmail.to on 8 Nov 2026.

44% of the 9 companies we see using AgentMail also show the other.

All 9 companies using AgentMail6 name it as a subprocessorMore in Email and communications

Google Tag Manager

by Google · Analytics

Google Tag Manager is a tag management system that lets you configure and deploy tags on your website or mobile app through a web interface. It is used to add and update tags, such as measurement and marketing optimization tags, without editing your site code.

Summarized from developers.google.com on 8 Nov 2026.

under 1% of the 9,221 companies we see using Google Tag Manager also show the other.

All 9,221 companies using Google Tag Manager58 name it as a subprocessorMore in Analytics

Industries

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

AI and machine learning4Productivity and collaboration2

Other pairs

Companies with their own evidence for both.

More with AgentMail

Cloudflare9companiesGoogle9companiesAnthropic8companiesOpenAI8companiesStripe8companiesGoogle Workspace7companies

More with Google Tag Manager

Cloudflare9,226companiesGoogle Workspace6,080companiesGoogle Analytics3,466companiesHubSpot2,855companiesWordPress2,643companiesAmazon Web Services2,618companies

Questions

How many companies use both AgentMail and Google Tag Manager?

4 companies in StrataDB's data have public evidence for both, and 1 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 AgentMail and Google Tag Manager?

Lua, Appy.AI, Holmes and Agent Planners. Each one links to the evidence behind it.

How does StrataDB know a company uses AgentMail and Google Tag Manager?

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 AgentMail and Google Tag Manager

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