A breakdown of the 81K+ companies running PubMatic.
Top industries
Media and telecommunications19K+
Art, sports and recreation7.1K+
Professional and business services4.8K+
Education and training4.7K+
Hospitality and travel3.8K+
Information technology and services2.9K+
Retail trade2K+
Health and wellness2K+
No industry recorded: 24K+
Company size
1–1014,244 (53%)
11–505,874 (22%)
51–2504,379 (16%)
251–5001,201 (4%)
501–1,000418 (2%)
1,001–5,000692 (3%)
5,001–10,00090 (<1%)
10,001+126 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 54K+
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Frequently asked questions
About the PubMatic data on this page.
How many companies use PubMatic?
Firmable holds confirmed PubMatic detections for 81,138 distinct companies, 36,182 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use PubMatic?
The Guardian, SoundCloud and Nelson-Jameson, Inc are among the most prominent in the current set.
What industries use PubMatic?
Media and telecommunications, art, sports and recreation and professional and business services lead the set, across 19 industries in total.
What size companies use PubMatic?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are PubMatic users based?
The United States, Australia, Canada and Japan account for most detections, across 13 countries.
How current is this data?
36,182 companies were confirmed in the last 90 days. Last detection 13 October 2026.
