A breakdown of the 610 companies running FusionAuth.
Top industries
Information technology and services254
Professional and business services61
Financial services52
Art, sports and recreation37
Media and telecommunications35
Industrial and manufacturing23
Education and training22
Hospitality and travel18
No industry recorded: 27
Company size
1–1071 (13%)
11–5090 (17%)
51–250176 (33%)
251–50073 (14%)
501–1,00046 (9%)
1,001–5,00055 (10%)
5,001–10,0009 (2%)
10,001+20 (4%)
Share of companies with a recorded size, by employees.
No size recorded: 70
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
1.69.226
1.62.18
1.66.07
1.22.25
1.54.05
1.57.15
1.61.25
1.59.04
1.64.04
1.69.04
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the FusionAuth data on this page.
How many companies use FusionAuth?
Firmable holds confirmed FusionAuth detections for 610 distinct companies, 554 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use FusionAuth?
Centerbridge Partners, L.P., Koalafi and Plenti are among the most prominent in the current set.
What industries use FusionAuth?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use FusionAuth?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are FusionAuth users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
554 companies were confirmed in the last 90 days. Last detection 14 October 2026.
