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Technologies / Google Tag Manager / IndexExchange

Companies using Google Tag Manager and IndexExchange

5 companies in our data have public evidence for both Google Tag Manager and IndexExchange. 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 Google Tag Manager users
71%of IndexExchange users
0name both as subprocessors

Companies using one are 1.9 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

CompanyGoogle Tag ManagerIndexExchange
LiveIntentliveintent.comLiveIntent provides email monetization, identity resolution, and audience solutions for marketers, agencies, and publishers.Marketing
Next Millennium Medianextmillennium.comNext Millennium provides programmatic advertising connections and ad formats for advertisers and publishers.
Wunderkindwunderkind.coWunderkind uses a consumer identity network to recognize anonymous website visitors and enrich customer profiles with real-time behavior.Marketing
Zeta Globalzetaglobal.comZeta provides an enterprise intelligence operating system and a unified platform spanning the customer lifecycle, from acquisition to loyalty.AI and machine learningData and analytics
Hypatoshypatos.aiHypatos provides AI agents that process invoices, sales orders, delivery notes, and order confirmations by capturing, validating, and matching documents against ERP and master data.AI and machine learningFinance and accounting software

The two technologies

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 9,057 companies we see using Google Tag Manager also show the other.

All 9,057 companies using Google Tag Manager58 name it as a subprocessorMore in Analytics

IndexExchange

Advertising

IndexExchange is a supply-side platform (SSP), an ad exchange that enables media owners to sell advertising inventory and marketers to reach consumers on any screen and through any ad format. It is used for programmatic advertising across channels such as streaming TV, online video, and display.

Summarized from indexexchange.com on 8 Nov 2026.

71% of the 7 companies we see using IndexExchange also show the other.

All 7 companies using IndexExchange5 name it as a subprocessorMore in Advertising

Industries

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

Marketing3AI and machine learning2

Other pairs

Companies with their own evidence for both.

More with Google Tag Manager

Cloudflare9,057companiesGoogle Workspace5,987companiesGoogle Analytics3,398companiesHubSpot2,825companiesWordPress2,583companiesAmazon Web Services2,579companies

More with IndexExchange

Cloudflare7companiesLiveRamp6companiesAmazon Web Services5companiesMagnite5companies

Questions

How many companies use both Google Tag Manager and IndexExchange?

5 companies in StrataDB's data have public evidence for both. Our coverage is partial, so the real number is higher.

Which companies use Google Tag Manager and IndexExchange?

LiveIntent, Next Millennium Media, Wunderkind, Zeta Global and Hypatos. Each one links to the evidence behind it.

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

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 Google Tag Manager and IndexExchange

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
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