A breakdown of the 249 companies running AssemblyAI.
Top industries
Information technology and services167
Education and training23
Professional and business services16
Financial services8
Health and wellness7
Media and telecommunications7
Art, sports and recreation4
Consumer services1
No industry recorded: 15
Company size
1–1066 (52%)
11–5013 (10%)
51–25029 (23%)
251–5004 (3%)
501–1,0005 (4%)
1,001–5,0003 (2%)
5,001–10,0002 (2%)
10,001+4 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 123
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Frequently asked questions
About the AssemblyAI data on this page.
How many companies use AssemblyAI?
Firmable holds confirmed AssemblyAI detections for 249 distinct companies, 177 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use AssemblyAI?
Justia, Close and AssemblyAI are among the most prominent in the current set.
What industries use AssemblyAI?
Information technology and services, education and training and professional and business services lead the set, across 16 industries in total.
What size companies use AssemblyAI?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are AssemblyAI users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
177 companies were confirmed in the last 90 days. Last detection 13 October 2026.