A breakdown of the 33 companies running WillowTree.
Top industries
Professional and business services12
Information technology and services7
Art, sports and recreation3
Education and training3
Media and telecommunications3
Financial services1
Not for profit1
No industry recorded: 3
Company size
1–105 (18%)
11–509 (32%)
51–2505 (18%)
251–5003 (11%)
1,001–5,0003 (11%)
5,001–10,0002 (7%)
10,001+1 (4%)
Share of companies with a recorded size, by employees.
No size recorded: 5
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Frequently asked questions
About the WillowTree data on this page.
How many companies use WillowTree?
Firmable holds confirmed WillowTree detections for 33 distinct companies, 6 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use WillowTree?
Fibr Ai, Rochester Institute of Technology and Tensec Holdings Limited are among the most prominent in the current set.
What industries use WillowTree?
Professional and business services, information technology and services and art, sports and recreation lead the set, across 8 industries in total.
What size companies use WillowTree?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are WillowTree users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
6 companies were confirmed in the last 90 days. Last detection 4 September 2026.
