Company lists · Data refreshed September 2026

Top 25 Fintech SaaS development companies based in the United States

RevenueBase identified 2,201 company matches for fintech SaaS development companies associated with the United States as of September 2026 and tracks 101,806 professional contacts across them, including 39,169 with verified work emails. New York is the largest hub.

This list covers company matches for fintech SaaS development 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 21, 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 21, 2026 How this list was built
2,201Companies
101,806Contacts tracked
39,169Verified emails
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The 25 largest fintech SaaS development companies based in the United States

Ranked by team size
Top 25 of 2,201 company matches for fintech SaaS development companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchJacksonville, FL, United StatesHQ recorded Sep 21, 202610001+38,885 contacts →

Exact match

“Unlocking financial technology.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchMonett, MO, United StatesHQ recorded Sep 21, 20265,001-10,0006,759 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 21, 2026 · View company records in RevenueBase
3Exact matchSunrise, FL, United StatesHQ recorded Sep 21, 20261,001-5,0002,943 contacts →

Exact match

“Chetu is your seamless backend technology partner, helping startups, SMBs, and Fortune companies accelerate development of desktop, mobile, and web apps with on-demand developers…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 21, 20261,001-5,0002,637 contacts →

Exact match

“Arcesium is a global financial technology company delivering front-to-back technology solutions for some of the world’s most sophisticated financial institutions, including hedge…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchWalnut Creek, CA, United StatesHQ recorded Sep 21, 20261,001-5,0001,874 contacts →

Exact match

“Exadel is a leading global software consulting and development company that looks beyond the code to maximize the technology-driven business impact our partners want to make.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchRedwood City, CA, United StatesHQ recorded Sep 21, 20261,001-5,0001,821 contacts →

Exact match

“An award-winning global financial technology innovator powering credit, debit, prepaid, core banking, and money movement solutions, i2c unifies banking and payments in an…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 21, 20261,001-5,0001,189 contacts →

Exact match

“Headquartered in Philadelphia, USA, Odessa is a software company exclusively focused in the leasing industry.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 21, 20261,001-5,0001,149 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchFort Lee, NJ, United StatesHQ recorded Sep 21, 2026501-1,000931 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchSan Mateo, CA, United StatesHQ recorded Sep 21, 2026501-1,000846 contacts →

Exact match

“Folio3 is a California based software development company that helps entrepreneurs and large corporations build innovative, world class software solutions by providing offshore…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchAuburn, AL, United StatesHQ recorded Sep 21, 20261,001-5,000633 contacts →

Exact match

“Backed by Aquiline Capital Partners and ADIA, Fullsteam is a dynamic and growing team of over 2,100 employees committed to driving innovation and delivering best-in-class software…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchRichardson, TX, United StatesHQ recorded Sep 21, 2026201-500577 contacts →

Exact match

“Founded in 1980, ARGO is a leader in mission-critical and analytical software.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026501-1,000551 contacts →

Exact match

“Fingent, an award-winning and ISO 27001:2013-certified custom software development company, is a trusted partner for businesses seeking strategic IT solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchGilbert, AZ, United StatesHQ recorded Sep 21, 2026201-500481 contacts →

Exact match

“IMM / eSign is now Kinective.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 2026201-500454 contacts →

Exact match

“Sigma Infosolutions is a prominent provider of technology solutions and services globally, with our headquarters in Irvine, USA, and global offices in Australia & India.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Sep 21, 202651-200402 contacts →

Exact match

“Founded in 2018, Bakkt, Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchNew York, United StatesHQ recorded Sep 21, 202651-200341 contacts →

Exact match

“Established in 2004, SJ Innovation has completed more than a decade in the software industry.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchDallas, TX, United StatesHQ recorded Sep 21, 2026201-500330 contacts →

Exact match

“Subsplash is an innovation leader in Fintech and mobile SaaS.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026201-500330 contacts →

Exact match

“We are a financial technology & service provider that delivers integrated, multi-asset class workflow solutions to Asset Managers, Asset Owners, and Service Providers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchIrvine, United StatesHQ recorded Sep 21, 2026201-500318 contacts →

Exact match

“Foothill Technology Solutions is a Software development company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchNovi, MI, United StatesHQ recorded Sep 21, 2026501-1,000314 contacts →

Exact match

“Conceptualized in 2015, Sails Software Inc partners with businesses across several industries in making amazing software products with ever evolving technology and processes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchDuluth, GA, United StatesHQ recorded Sep 21, 2026201-500303 contacts →

Exact match

“Primus Software Corporation, a leading software services company with over 29 years of industry experience, is a trusted Business & Technology Partner for enterprises seeking to…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchNY, United StatesHQ recorded Sep 21, 2026201-500289 contacts →

Exact match

“Rho is the modern banking platform built for startups.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchLas Vegas, NV, United StatesHQ recorded Sep 21, 2026n/a273 contacts →

Exact match

“Pharos Production Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Sep 21, 2026201-500264 contacts →

Exact match

“Bitcot launched in 2014 as the vision of one man armed with a laptop.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 2,201 fintech SaaS development companies based in the United States

See the full list, filter by size, metro and specialty, and access 39,169 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fintech SaaS development companies based in the United States at a glance

As of Sep 21, 2026
38.5%Verified-email coverage
46.3Average contacts per company
11-50Median size (employees)
8.5%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
935
11-50
818
51-200
352
201-500
55
501-1,000
17
1,001-5,000
15
5,001-10,000
3
10001+
5

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,201 companies.

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 SaaS development 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 39,169 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 21, 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 SaaS development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 2,201 company matches for fintech SaaS development 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?

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

Which city has the most fintech SaaS development companies?

New York leads with 188 company records, followed by Austin (70) and Miami (57).

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 39,169 professional contacts with verified work emails tracked across these 2,201 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 21, 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.