Company lists · Data refreshed September 2026

Top 25 Financial systems integration firms based in the United States

RevenueBase identified 251 company matches for financial systems integration firms associated with the United States as of September 2026 and tracks 4,229 professional contacts across them, including 1,299 with verified work emails. New York is the largest hub.

This list covers company matches for financial systems integration firms 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 28, 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 28, 2026 How this list was built
251Companies
4,229Contacts tracked
1,299Verified emails
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The 25 largest financial systems integration firms based in the United States

Ranked by team size
Top 25 of 251 company matches for financial systems integration firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchRocklin, CA, United StatesHQ recorded Sep 28, 2026501-1,0001,280 contacts →

Exact match

“ChainSys is an innovator in the data management and business platform implementation (ERP) space.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchMiami, FL, United StatesHQ recorded Sep 28, 202651-200172 contacts →

Exact match

“PairSoft, one of the strongest financial automation platforms for mid-market and enterprise organizations, comprises a product lineup that natively integrates with Microsoft…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchBaltimore, MD, United StatesHQ recorded Sep 28, 202651-200169 contacts →

Exact match

“RPI Consultants is an ERP implementation, optimization, and software firm with over 25 years of experience delivering best practices through technology, systems integration, and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchChicago, United StatesHQ recorded Sep 28, 202651-200107 contacts →

Exact match

“Over the past 12 years, MMC Convert has successfully completed over data conversions from various accounting software platforms to leading solutions like Xero, QuickBooks Online…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchMinneapolis, MN, United StatesHQ recorded Sep 28, 202651-200103 contacts →

Exact match

“Elire is a Minneapolis based full-service software consulting firm created from the merging of several successful software consulting firms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20096 contacts →

Exact match

“Ascend Partners is the diamond standard in financial & data transformation solutions and proudly serves clients globally from our headquarters in New York, NY.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchHighland Park, IL, United StatesHQ recorded Sep 28, 202651-20091 contacts →

Exact match

“Accelerating Growth We have entered into a definitive agreement with Brown Brothers Harriman (BBH) to acquire their Investor Services business-bringing together two premier…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchHolmdel, NJ, United StatesHQ recorded Sep 28, 202651-20067 contacts →

Exact match

“Clients First provides tailored, financial and ERP systems and services for growing companies so they can achieve enterprise-level results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchNewport Beach, CA, United StatesHQ recorded Sep 28, 202651-20059 contacts →

Exact match

“Lysi is a diverse, dynamic, and versatile technology integration company specializing in the intersection of technology and business process management.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20058 contacts →

Exact match

“ConvergeSol is a leading custom software development and consulting firm exclusively serving the financial services, SMB, and startup industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSan Antonio, TX, United StatesHQ recorded Sep 28, 202651-20053 contacts →

Exact match

“CUTEK, with over a hundred combined years of industry expertise, provides a wide range of services for financial institutions, project management, merger assistance, conversion…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchGrapevine, TX, United StatesHQ recorded Sep 28, 202651-20049 contacts →

Exact match

“Protominds is a premier FinTech Consulting & Services company headquartered in California.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20046 contacts →

Exact match

“Ninth Wave delivers secure data connectivity to financial institutions through a single point of direct integration to a universal suite of open finance APIs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBrockton, MA, United StatesHQ recorded Sep 28, 2026n/a45 contacts →

Exact match

“Innovative IT provides cutting-edge technology solutions to help businesses streamline their operations and improve their bottom.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchRemote, United StatesHQ recorded Sep 28, 2026n/a39 contacts →

Exact match

“Fast, flexible, and secure financial infrastructure for trading firms, hedge funds, and professional investors.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchMuncie, IN, United StatesHQ recorded Sep 28, 2026201-50038 contacts →

Exact match

“Since 1987, Accutech Systems Corporation (ASC) has been dedicated to providing only the highest quality products and services to the financial industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchIndianapolis, IN, United StatesHQ recorded Sep 28, 202611-5037 contacts →

Exact match

“Bakerfield Solutions are the Finance Transformation Experts you can rely on!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20037 contacts →

Exact match

“Connectivity is one of the most critical links firms have to their clients, in a hyper competitive environment client.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchEdgartown, MA, United StatesHQ recorded Sep 28, 202611-5031 contacts →

Exact match

“AAC, Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchBuena Park, CA, United StatesHQ recorded Sep 28, 202611-5031 contacts →

Exact match

“At aimINSIGHT, we work with small and mid-sized companies throughout Southern California and have discovered that bridging the gap between your software’s basic capability and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchSouthlake, TX, United StatesHQ recorded Sep 28, 202611-5029 contacts →

Exact match

“For the teams still importing and exporting data between systems, we take a people-first approach, dig into your unique processes, and build automated solutions so you can ditch…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchAlpharetta, GA, United StatesHQ recorded Sep 28, 202651-20028 contacts →

Exact match

“Sygna Solutions is a leading information technology firm, specializing in a diverse range of implementation integrated & Migration of SAP, Workday, Salesforces and IT Projects.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchNorfolk, VA, United StatesHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“The expert teams at ARCSys Technologies are trailblazers in the financial modeling and analytics industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchWest Des Moines, IA, United StatesHQ recorded Sep 28, 202611-5025 contacts →

Exact match

“The Back Office is a team of accounting, development, and administrative professionals that have been providing seamless accounting integration software and data conversion…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchMinneapolis, MN, United StatesHQ recorded Sep 28, 202611-5023 contacts →

Exact match

“At TwinSix, we are dedicated to revolutionizing finance and accounting functions to drive peak efficiency and performance for businesses.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 251 financial systems integration firms based in the United States

See the full list, filter by size, metro and specialty, and access 1,299 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Financial systems integration firms based in the United States at a glance

As of Sep 28, 2026
30.7%Verified-email coverage
16.8Average contacts per company
1-10Median size (employees)
7.2%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
148
11-50
67
51-200
32
201-500
2
501-1,000
1
1,001-5,000
1

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 251 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 “financial systems integration firms” 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 1,299 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 28, 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 “financial systems integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many financial systems integration firms are there based in the United States?

RevenueBase identified 251 company matches for financial systems integration firms 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?

Chain-Sys Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most financial systems integration firms?

New York leads with 18 company records, followed by San Francisco (9) and Houston (7).

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 1,299 professional contacts with verified work emails tracked across these 251 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 28, 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.