A breakdown of the 1.6M+ companies running Sentry.
Top industries
Art, sports and recreation229K+
Professional and business services188K+
Health and wellness153K+
Construction and building143K+
Hospitality and travel124K+
Retail trade84K+
Education and training83K+
Consumer services81K+
No industry recorded: 165K+
Company size
1–10387,402 (58%)
11–50160,051 (24%)
51–25086,307 (13%)
251–50018,610 (3%)
501–1,0005,132 (1%)
1,001–5,0008,200 (1%)
5,001–10,0001,306 (<1%)
10,001+1,477 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 1M+
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
5.16.019
4.6.313
9.0.013
6.19.710
5.15.59
5.5.09
6.14.08
6.13.27
6.16.17
4.6.45
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Competitor displacement
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Market insights
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Frequently asked questions
About the Sentry data on this page.
How many companies use Sentry?
Firmable holds confirmed Sentry detections for 1,694,763 distinct companies, 1,365,153 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Sentry?
Needham Bank, Viant and The Michael J. Fox Foundation for Parkinson's Research are among the most prominent in the current set.
What industries use Sentry?
Art, sports and recreation, professional and business services and health and wellness lead the set, across 19 industries in total.
What size companies use Sentry?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Sentry users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
1,365,153 companies were confirmed in the last 90 days. Last detection 14 October 2026.
