Company lists · Data refreshed September 2026

Top 25 Fintech infrastructure companies based in the United States

RevenueBase identified 866 company matches for fintech infrastructure companies associated with the United States as of September 2026 and tracks 94,571 professional contacts across them, including 38,530 with verified work emails and 28,178 with mobile numbers. New York is the largest hub.

This list covers company matches for fintech infrastructure companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 2, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 2, 2026 How this list was built
866Companies
94,571Contacts tracked
38,530Verified emails
28,178Mobile numbers
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The 25 largest fintech infrastructure companies based in the United States

Ranked by team size
Top 25 of 866 company matches for fintech infrastructure companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 2, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDurham, NC, United States5,001-10,00010,656 contacts →

Exact match

“Nu is one of the largest digital financial services platforms in the world, serving 135 million customers across Brazil, Mexico, and Colombia.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
2Exact matchMonett, MO, United States5,001-10,0006,765 contacts →

Exact match

“Jack Henry (Nasdaq: JKHY) is a well-rounded financial technology company that strengthens the connections between people and their financial institutions through technology and…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
3Exact matchUnited States10001+6,637 contacts →

Exact match

“First Data is now Fiserv (NASDAQ:FISV).”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
4Exact matchSeattle, WA, United States1,001-5,0006,126 contacts →

Exact match

“Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
5Exact matchAlpharetta, GA, United States1,001-5,0004,347 contacts →

Exact match

“The world’s leading brands trust Verifone for global payments.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
6Exact matchSandy Springs, GA, United States5,001-10,0003,696 contacts →

Exact match

“Deluxe, a trusted payments and data company, champions business so communities thrive.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
7Exact matchDes Moines, IA, United States1,001-5,0002,814 contacts →

Exact match

“Q2 is a financial experience company dedicated to providing digital banking and lending solutions to banks, credit unions, alternative finance, and fintech companies in the U.S.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
8Exact matchAtlanta, GA, United States1,001-5,0002,421 contacts →

Exact match

“InComm Payments is an innovative global payments technology provider.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
9Exact matchPaducah, KY, United States1,001-5,0001,849 contacts →

Exact match

“As a forward-thinking financial technology and software partner, we help community and regional banks, as well as organizations worldwide, solve their customers’ needs through…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
10Exact matchSan Mateo, CA, United States1,001-5,0001,773 contacts →

Exact match

“JUSPAY is a global leader in enterprise payment solutions, powering payments for merchants and banks worldwide.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United States1,001-5,0001,551 contacts →

Exact match

“Early Warning Services, LLC, helps power payments innovation across the United States banking sector –enabling financial access, advancing reliable and fast payments for America’s…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
12Exact matchProvo, UT, United States1,001-5,0001,208 contacts →

Exact match

“About Green Dot Green Dot Corporation (NYSE: GDOT) is a financial technology platform and registered bank holding company that builds banking and payment solutions to create…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United States1,001-5,0001,125 contacts →

Exact match

“Mercury is the fintech ambitious companies use for banking* and all their financial workflows.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
14Exact matchGreat Falls, VA, United States1,001-5,0001,077 contacts →

Exact match

“At the forefront of the financial revolution, Topaz is a technological powerhouse specializing in digital financial solutions, standing out as the undisputed leader in the…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
15Exact matchOakland, CA, United States501-1,000969 contacts →

Exact match

“Modern life is fueled by modern financial solutions that are so seamlessly woven into our daily lives, you almost forget they are there.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
16Exact matchFort Lee, NJ, United States501-1,000935 contacts →

Exact match

“Cross River Bank provides technology infrastructure powering the future of financial services.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
17Exact matchWilmington, DE, United States501-1,000796 contacts →

Exact match

“The Bancorp, Inc, headquartered in Wilmington, DE, through its subsidiary, The Bancorp Bank, N.A, headquartered in Sioux Falls, SD, is defining the future of banking.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
18Exact matchRiverwoods, IL, United States10001+746 contacts →

Exact match

“We are Discover.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
19Exact matchDallas, TX, United States501-1,000744 contacts →

Exact match

“Sesami helps financial institutions and consumer businesses optimize their cash ecosystem’s performance through a single end-to-end partnership and unique business intelligence…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United States1,001-5,000706 contacts →

Exact match

“Blend Labs Inc,(NYSE: BLND) is the leading origination platform for digital banking solutions.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
21Exact matchGretna, LA, United States501-1,000595 contacts →

Exact match

“We empower small businesses with innovative banking products designed for them.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
22Exact matchSymmes Township Cincinnati, OH, United States1,001-5,000562 contacts →

Exact match

“We are now FIS.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
23Exact matchSioux Falls, SD, United States501-1,000551 contacts →

Exact match

“MoneyLion (part of Gen) is a leader in financial technology, powering the next generation of personalized products and content, with a top consumer finance super app, a premier…”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
24Exact matchJohnston, IA, United States501-1,000518 contacts →

Exact match

“SHAZAM Inc.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase
25Exact matchMemphis, TN, United States501-1,000511 contacts →

Exact match

“For a hundred years, Evolve Bank & Trust has been dedicated to delivering superior financial services.”

Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase

Showing 25 of 866 fintech infrastructure companies based in the United States

See the full list, filter by size, metro and specialty, and access 38,530 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fintech infrastructure companies based in the United States at a glance

As of Sep 2, 2026
40.7%Verified-email coverage
29.8%Mobile-number coverage
109.2Average contacts per company
11-50Median size (employees)
13.0%Largest-city concentration · New York
Sep 2, 2026Page data refreshed

Companies by employee count

1-10
279
11-50
321
51-200
163
201-500
46
501-1,000
20
1,001-5,000
20
5,001-10,000
3
10001+
13

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “fintech infrastructure companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 38,530 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 2, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “fintech infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fintech infrastructure companies are there based in the United States?

RevenueBase identified 866 company matches for fintech infrastructure companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Nubank tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most fintech infrastructure companies?

New York leads with 113 company records, followed by San Francisco (58) and Miami (36).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 38,530 professional contacts with verified work emails tracked across these 866 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 2, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.