A breakdown of the 1.2K+ companies running RTB House.
Top industries
Retail trade351
Art, sports and recreation174
Industrial and manufacturing90
Media and telecommunications87
Information technology and services83
Hospitality and travel74
Professional and business services63
Transport35
No industry recorded: 182
Company size
1–10145 (21%)
11–50124 (18%)
51–250142 (20%)
251–50057 (8%)
501–1,00051 (7%)
1,001–5,000113 (16%)
5,001–10,00025 (4%)
10,001+48 (7%)
Share of companies with a recorded size, by employees.
No size recorded: 593
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Frequently asked questions
About the RTB House data on this page.
How many companies use RTB House?
Firmable holds confirmed RTB House detections for 1,298 distinct companies, 1,023 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use RTB House?
1stDibs, Rockler Companies, Inc. and Gumtree Group are among the most prominent in the current set.
What industries use RTB House?
Retail trade, art, sports and recreation and industrial and manufacturing lead the set, across 18 industries in total.
What size companies use RTB House?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are RTB House users based?
The United States, Australia, Japan and Canada account for most detections, across 13 countries.
How current is this data?
1,023 companies were confirmed in the last 90 days. Last detection 13 October 2026.