A breakdown of the 2.6K+ companies running Fiserv.
Top industries
Financial services1.3K+
Information technology and services430
Professional and business services283
Not for profit69
Media and telecommunications63
Education and training60
Hospitality and travel55
Art, sports and recreation50
No industry recorded: 89
Company size
1–10169 (7%)
11–50322 (13%)
51–250719 (29%)
251–500465 (19%)
501–1,000221 (9%)
1,001–5,000297 (12%)
5,001–10,000103 (4%)
10,001+183 (7%)
Share of companies with a recorded size, by employees.
No size recorded: 214
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Frequently asked questions
About the Fiserv data on this page.
How many companies use Fiserv?
Firmable holds confirmed Fiserv detections for 2,693 distinct companies, 679 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Fiserv?
Needham Bank, Kearny Bank and Selene Diligence LLC are among the most prominent in the current set.
What industries use Fiserv?
Financial services, information technology and services and professional and business services lead the set, across 19 industries in total.
What size companies use Fiserv?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Fiserv users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
679 companies were confirmed in the last 90 days. Last detection 13 October 2026.
