A breakdown of the 2K+ companies running Langfuse.
Top industries
Information technology and services1K+
Professional and business services209
Education and training122
Financial services95
Industrial and manufacturing88
Health and wellness69
Art, sports and recreation55
Media and telecommunications36
No industry recorded: 184
Company size
1–10414 (26%)
11–50386 (24%)
51–250396 (25%)
251–500123 (8%)
501–1,00078 (5%)
1,001–5,000122 (8%)
5,001–10,00029 (2%)
10,001+68 (4%)
Share of companies with a recorded size, by employees.
No size recorded: 478
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Frequently asked questions
About the Langfuse data on this page.
How many companies use Langfuse?
Firmable holds confirmed Langfuse detections for 2,094 distinct companies, 2,041 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Langfuse?
PAG, General Catalyst and Pomelo Care are among the most prominent in the current set.
What industries use Langfuse?
Information technology and services, professional and business services and education and training lead the set, across 19 industries in total.
What size companies use Langfuse?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Langfuse users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
2,041 companies were confirmed in the last 90 days. Last detection 14 October 2026.
