Share of companies with a recorded size, by employees.
No size recorded: 51K+
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Frequently asked questions
About the Prebid data on this page.
How many companies use Prebid?
Firmable holds confirmed Prebid detections for 98,119 distinct companies, 47,658 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Prebid?
The Guardian, National Urban League and Questex are among the most prominent in the current set.
What industries use Prebid?
Media and telecommunications, retail trade and art, sports and recreation lead the set, across 19 industries in total.
What size companies use Prebid?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Prebid users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
47,658 companies were confirmed in the last 90 days. Last detection 13 October 2026.
