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Technologies / IndexExchange / PubMatic

Companies using IndexExchange and PubMatic

4 companies in our data have public evidence for both IndexExchange and PubMatic, and 2 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
57%of IndexExchange users
36%of PubMatic users
2name 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

CompanyIndexExchangePubMatic
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
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
ROQADroq.adROQAD provides deterministic identity resolution and audience activation for European advertisers.Identity and access

The two technologies

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.

57% of the 7 companies we see using IndexExchange also show the other.

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

PubMatic

Advertising

PubMatic is a specialized cloud infrastructure platform that enables real-time programmatic advertising transactions between Internet content creators (publishers) and advertisers (buyers). It is used by publishers and advertisers to conduct digital advertising transactions, with the company describing its platform as a purpose-built supply chain for programmatic advertising.

Summarized from investors.pubmatic.com on 8 Nov 2026.

36% of the 11 companies we see using PubMatic also show the other.

All 11 companies using PubMatic5 name it as a subprocessorMore in Advertising

Other pairs

Companies with their own evidence for both.

More with IndexExchange

Cloudflare7companiesLiveRamp6companiesAmazon Web Services5companiesGoogle Tag Manager5companiesMagnite5companies

More with PubMatic

Cloudflare11companiesGoogle Tag Manager8companiesAmazon Web Services7companiesGoogle7companiesThe Trade Desk7companiesGoogle Analytics6companies

Questions

How many companies use both IndexExchange and PubMatic?

4 companies in StrataDB's data have public evidence for both, and 2 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 IndexExchange and PubMatic?

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

How does StrataDB know a company uses IndexExchange and PubMatic?

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 IndexExchange and PubMatic

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
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