A breakdown of the 315 companies running TwentyThree.
Top industries
Information technology and services56
Professional and business services56
Industrial and manufacturing51
Financial services33
Construction and building25
Education and training18
Government and public services14
Health and wellness11
No industry recorded: 14
Company size
1–1015 (5%)
11–5057 (20%)
51–25063 (22%)
251–50027 (9%)
501–1,00030 (10%)
1,001–5,00055 (19%)
5,001–10,00016 (6%)
10,001+26 (9%)
Share of companies with a recorded size, by employees.
No size recorded: 26
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Frequently asked questions
About the TwentyThree data on this page.
How many companies use TwentyThree?
Firmable holds confirmed TwentyThree detections for 315 distinct companies, 293 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use TwentyThree?
Ambu Inc., ADAMA and Hellman & Friedman are among the most prominent in the current set.
What industries use TwentyThree?
Information technology and services, professional and business services and industrial and manufacturing lead the set, across 18 industries in total.
What size companies use TwentyThree?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are TwentyThree users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
293 companies were confirmed in the last 90 days. Last detection 13 October 2026.
