A breakdown of the 12K+ companies running Apollo Client.
Top industries
Information technology and services2.6K+
Professional and business services1.5K+
Financial services818
Art, sports and recreation755
Education and training598
Retail trade542
Media and telecommunications506
Hospitality and travel446
No industry recorded: 2.2K+
Company size
1–103,246 (41%)
11–502,085 (26%)
51–2501,422 (18%)
251–500413 (5%)
501–1,000226 (3%)
1,001–5,000329 (4%)
5,001–10,00081 (1%)
10,001+163 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 4.5K+
One dataset. Four ways to sell.
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Frequently asked questions
About the Apollo Client data on this page.
How many companies use Apollo Client?
Firmable holds confirmed Apollo Client detections for 12,485 distinct companies, 11,714 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Apollo Client?
Socure, Sourcebooks and Procopio, Cory, Hargreaves & Savitch LLP are among the most prominent in the current set.
What industries use Apollo Client?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use Apollo Client?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Apollo Client users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
11,714 companies were confirmed in the last 90 days. Last detection 20 September 2026.
