A breakdown of the 408 companies running Really Simple CAPTCHA.
Top industries
Construction and building59
Professional and business services50
Art, sports and recreation34
Information technology and services27
Health and wellness26
Education and training20
Industrial and manufacturing18
Not for profit17
No industry recorded: 62
Company size
1–1065 (49%)
11–5034 (25%)
51–25021 (16%)
251–5008 (6%)
1,001–5,0005 (4%)
10,001+1 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 274
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Frequently asked questions
About the Really Simple CAPTCHA data on this page.
How many companies use Really Simple CAPTCHA?
Firmable holds confirmed Really Simple CAPTCHA detections for 408 distinct companies, 223 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Really Simple CAPTCHA?
Neurogene Inc., Healing Rooms Ministries and Sokana are among the most prominent in the current set.
What industries use Really Simple CAPTCHA?
Construction and building, professional and business services and art, sports and recreation lead the set, across 19 industries in total.
What size companies use Really Simple CAPTCHA?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Really Simple CAPTCHA users based?
The United States, Australia, Canada and Japan account for most detections, across 13 countries.
How current is this data?
223 companies were confirmed in the last 90 days. Last detection 7 September 2026.
