Company lists · Data refreshed September 2026

Top 25 Accounting software integration firms based in the United States

RevenueBase identified 989 company matches for accounting software integration firms associated with the United States as of September 2026 and tracks 11,266 professional contacts across them, including 4,132 with verified work emails. New York is the largest hub.

This list covers company matches for accounting software 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 27, 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 27, 2026 How this list was built
989Companies
11,266Contacts tracked
4,132Verified emails
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The 25 largest accounting software integration firms based in the United States

Ranked by team size
Top 25 of 989 company matches for accounting software integration firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026201-500364 contacts →

Exact match

“Karbon is the collaborative practice management platform for accounting firms.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchCheyenne, WY, United StatesHQ recorded Sep 27, 2026201-500340 contacts →

Exact match

“TaxDome is the leading practice management platform built for full-service tax, bookkeeping, and accounting firms.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchDel Mar, CA, United StatesHQ recorded Sep 27, 2026201-500331 contacts →

Exact match

“CARET brings the latest in technology and automation to over legal and accounting firms, empowering highly skilled professionals to refocus their expertise on what truly matters.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500324 contacts →

Exact match

“For over 15 years, Makosi has been redefining what’s possible in the accounting and audit industry with cutting-edge, tech-powered workforce solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500320 contacts →

Exact match

“1-800Accoutant is America’s leading virtual accounting firm for small businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Sep 27, 202651-200307 contacts →

Exact match

“Founded in 1984 in San Diego, DSD Business Systems is an award-winning technology partner with 45 offices across North America, serving small- to medium-sized organizations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchSouth Jordan, UT, United StatesHQ recorded Sep 27, 2026201-500290 contacts →

Exact match

“Canopy is the all-in-one practice management platform built to help accounting firms simplify operations, delight clients, and drive firm-wide growth.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchEast Hanover, NJ, United StatesHQ recorded Sep 27, 2026201-500217 contacts →

Exact match

“Imagine a future where your business effortlessly blends modern accounting and financial systems with streamlined operations layered over a secure and scalable IT infrastructure.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchPlano, TX, United StatesHQ recorded Sep 27, 2026501-1,000216 contacts →

Exact match

“Adra combined with Trintech in 2019.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchMountain View, CA, United StatesHQ recorded Sep 27, 202610001+186 contacts →

Exact match

“This page serves the accounting, bookkeeping, and tax professional community who are at the heart of everything we do at Intuit.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchHolladay, UT, United StatesHQ recorded Sep 27, 20261,001-5,000180 contacts →

Exact match

“Platform Accounting Group, est.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchSavannah, GA, United StatesHQ recorded Sep 27, 202651-200173 contacts →

Exact match

“When every component of your business is working together in concert, those connections can create powerful and positive change.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Sep 27, 202651-200169 contacts →

Exact match

“Every ecommerce founder making a decision today is basing it on a number that is roughly right.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchVienna, VA, United StatesHQ recorded Sep 27, 2026201-500165 contacts →

Exact match

“Since 1983 SSi Consulting has been helping our customers with accounting and ERP software selection, implementation, consulting, support, training and cloud services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-200155 contacts →

Exact match

“Accounting Outsourcing to Drive Growth for Global CPA Firms & MNCs.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchPleasanton, CA, United StatesHQ recorded Sep 27, 2026201-500145 contacts →

Exact match

“Our Mission Our mission is to provide innovative, configurable, flexible, cost-effective solutions to common business challenges, enabling our clients to save time, increase…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchAnn Arbor, MI, United StatesHQ recorded Sep 27, 2026201-500140 contacts →

Exact match

“SafeSend, part of Thomson Reuters, offers award-winning automation technology for tax and accounting firms to provide an unrivaled client experience.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchBlue Ash, OH, United StatesHQ recorded Sep 27, 202651-200136 contacts →

Exact match

“Clubessential provides a unified suite of accounting/Point-of-Sale, website, online reservations, and member marketing solutions, all developed within a single architecture, and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500130 contacts →

Exact match

“If you are running your own accounting and tax consulting practice, you must like this by all means.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchSeattle, WA, United StatesHQ recorded Sep 27, 2026n/a130 contacts →

Exact match

“Propio is the all-in-one accounting platform that does the work.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchPlano, TX, United StatesHQ recorded Sep 27, 202651-200110 contacts →

Exact match

“Traditional practice management software helps firms organize work.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchIrvine, CA, United StatesHQ recorded Sep 27, 202651-200110 contacts →

Exact match

“CTR is a system integration company that provides technology solutions and support to all manner of businesses worldwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchFrisco, TX, United StatesHQ recorded Sep 27, 202651-200105 contacts →

Exact match

“At APPSeCONNECT, we do more than connect apps.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 202651-200105 contacts →

Exact match

“AGH has merged with the nationally recognized accounting firm of Carr, Riggs & Ingram, LLC (CRI) and our office will now operate under the name of Carr, Riggs & Ingram.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 202651-20089 contacts →

Exact match

“Acuity is the modern-day accounting organization built specifically for startups and small businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 989 accounting software integration firms based in the United States

See the full list, filter by size, metro and specialty, and access 4,132 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting software integration firms based in the United States at a glance

As of Sep 27, 2026
36.7%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
3.9%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
680
11-50
229
51-200
56
201-500
16
501-1,000
3
1,001-5,000
2
10001+
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 989 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 “accounting software 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 4,132 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 27, 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 “accounting software integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting software integration firms are there based in the United States?

RevenueBase identified 989 company matches for accounting software 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?

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

Which city has the most accounting software integration firms?

New York leads with 39 company records, followed by San Francisco (23) and Austin (21).

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 4,132 professional contacts with verified work emails tracked across these 989 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 27, 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.