A breakdown of the 886 companies running Checkdomain.
Top industries
Professional and business services124
Art, sports and recreation104
Health and wellness76
Hospitality and travel46
Construction and building40
Education and training39
Consumer services33
Retail trade30
No industry recorded: 231
Company size
1–1020 (42%)
11–5018 (38%)
51–2508 (17%)
251–5001 (2%)
501–1,0001 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 838
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Frequently asked questions
About the Checkdomain data on this page.
How many companies use Checkdomain?
Firmable holds confirmed Checkdomain detections for 886 distinct companies, 885 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Checkdomain?
Mustang Engineering, AEQUITA and knx association are among the most prominent in the current set.
What industries use Checkdomain?
Professional and business services, art, sports and recreation and health and wellness lead the set, across 19 industries in total.
What size companies use Checkdomain?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Checkdomain users based?
The United States, Australia, Canada and Hong Kong account for most detections, across 12 countries.
How current is this data?
885 companies were confirmed in the last 90 days. Last detection 13 October 2026.
