As of 14 October 2026, Firmable tracks 25,245 companies across 13 countries running Amazon Transparent Ad Marketplace. See who they are, and who to call.
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A breakdown of the 25K+ companies running Amazon Transparent Ad Marketplace.
Top industries
Media and telecommunications7K+
Art, sports and recreation2.6K+
Professional and business services1.6K+
Education and training1.4K+
Hospitality and travel1K+
Information technology and services890
Health and wellness669
Construction and building467
No industry recorded: 6.7K+
Company size
1–103,613 (43%)
11–501,959 (23%)
51–2501,842 (22%)
251–500504 (6%)
501–1,000146 (2%)
1,001–5,000260 (3%)
5,001–10,00038 (<1%)
10,001+45 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 16K+
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Frequently asked questions
About the Amazon Transparent Ad Marketplace data on this page.
How many companies use Amazon Transparent Ad Marketplace?
Firmable holds confirmed Amazon Transparent Ad Marketplace detections for 25,245 distinct companies, 18,834 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Amazon Transparent Ad Marketplace?
The Guardian, SoundCloud and National Insurance Crime Bureau (NICB) are among the most prominent in the current set.
What industries use Amazon Transparent Ad Marketplace?
Media and telecommunications, art, sports and recreation and professional and business services lead the set, across 19 industries in total.
What size companies use Amazon Transparent Ad Marketplace?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Amazon Transparent Ad Marketplace users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
18,834 companies were confirmed in the last 90 days. Last detection 7 September 2026.
