A breakdown of the 22 companies running TaxSlayer Pro.
Top industries
Financial services15
Information technology and services2
Not for profit2
Art, sports and recreation1
Education and training1
Professional and business services1
Company size
1–108 (62%)
11–501 (8%)
51–2501 (8%)
251–5001 (8%)
5,001–10,0001 (8%)
10,001+1 (8%)
Share of companies with a recorded size, by employees.
No size recorded: 9
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Frequently asked questions
About the TaxSlayer Pro data on this page.
How many companies use TaxSlayer Pro?
Firmable holds confirmed TaxSlayer Pro detections for 22 distinct companies, 15 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use TaxSlayer Pro?
California State University, Northridge, The California State University and Capitaltaxmanagement are among the most prominent in the current set.
What industries use TaxSlayer Pro?
Financial services, information technology and services and not for profit lead the set, across 6 industries in total.
What size companies use TaxSlayer Pro?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are TaxSlayer Pro users based?
The United States, Australia, Canada and Japan account for most detections, across 7 countries.
How current is this data?
15 companies were confirmed in the last 90 days. Last detection 19 September 2026.
