Company lists · Data refreshed August 2026

Top 25 Accounting services outsourcing companies based in the United States

RevenueBase identified 12,216 company matches for accounting services outsourcing companies associated with the United States as of August 2026 and tracks 57,585 professional contacts across them, including 18,423 with verified work emails and 18,541 with mobile numbers. New York is the largest hub.

This list covers company matches for accounting services outsourcing 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 August 30, 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 Aug 30, 2026 How this list was built
12,216Companies
57,585Contacts tracked
18,423Verified emails
18,541Mobile numbers
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The 25 largest accounting services outsourcing companies based in the United States

Ranked by team size
Top 25 of 12,216 company matches for accounting services outsourcing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Aug 30, 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 matchIrvine, CA, United States1,001-5,000801 contacts →

Exact match

“Established in 2008, Pacific was formed to serve the clients with the best services in the field of outsourced accounting.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
2Exact matchLos Angeles, CA, United States1,001-5,000612 contacts →

Exact match

“KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
3Exact matchIrving, TX, United States201-500571 contacts →

Exact match

“Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
4Exact matchDenver, CO, United States201-500546 contacts →

Exact match

“Bennett Thrasher provides proven guidance for financial confidence through premier tax, audit, advisory, and outsourcing solutions.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
5Exact matchFresno, CA, United States201-500488 contacts →

Exact match

“We specialize in providing full-service CFOs, controllers, and operational accountants to consult with our clients.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United States1,001-5,000398 contacts →

Exact match

“Outsource Partners International (OPI) is a professional services firm dedicated to the outsourcing of finance, accounting, and analytics business processes.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United States201-500376 contacts →

Exact match

“At Bench by Mainstreet, we believe small business owners deserve more than just software - they deserve real financial support.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
8Exact matchSterling, VA, United States201-500348 contacts →

Exact match

“Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United States201-500340 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 · Aug 30, 2026 · View company records in RevenueBase
10Exact matchCoral Springs, FL, United States201-500325 contacts →

Exact match

“Unison Globus is a global accounting outsourcing and offshore staffing partner dedicated to supporting CPA firms and accounting professionals.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
11Exact matchGranite Bay, CA, United States201-500294 contacts →

Exact match

“Montgomery Pacific Corporation (MontPac) is an outsourced accounting and financial management firm with personnel in the US, UK, and the Philippines.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United States501-1,000268 contacts →

Exact match

“Most growing businesses aren’t losing money because of revenue, they’re losing it through inefficient tax structures, missed credits, operational inefficiencies, and a lack of…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United States501-1,000259 contacts →

Exact match

“SAPRO is a global, tech-enabled talent outsourcing firm specializing in Assurance, Tax, Advisory, and Client Accounting Services (CAS).”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
14Exact matchCrawfordsville, IN, United States201-500258 contacts →

Exact match

“At Oremus Corporate Services, we specialize in delivering top-notch Accounting and Bookkeeping, Secretarial Compliance, Payroll, Tax, HR, and Business Advisory Services.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
15Exact matchWilmington, NC, United States201-500229 contacts →

Exact match

“Thomas, Judy and Tucker, P.A.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
16Exact matchYakima, WA, United States201-500183 contacts →

Exact match

“Larson Gross is a full-service firm providing comprehensive accounting, bookkeeping, tax, and consulting services to clients throughout the United States and Canada.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
17Exact matchLos Angeles, United States201-500179 contacts →

Exact match

“Indinero is on a mission to help every business realize its potential.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
18Exact matchDallas, TX, United States201-500173 contacts →

Exact match

“Infinity Globus, a Springline company, is a leading accounting outsourcing firm with over two decades of industry experience, providing tailored taxation and accounting services…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
19Exact matchMiami, FL, United States501-1,000151 contacts →

Exact match

“Outsourcing estratégico para empresas globales Siglo BPO cuenta con presencia en más de 14 países, más de 27 años ayudando a empresas a optimizar sus procesos y mejorar su…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
20Exact matchOcala, FL, United States201-500149 contacts →

Exact match

“Meru Accounting is the Accounting firm running under the leadership of CA Rushabh Shah and CA Harnish Shah providing accounting and bookkeeping services across Australia, US…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
21Exact matchTopeka, KS, United States1,001-5,000143 contacts →

Exact match

“Mize CPAs is now part of Aprio, a Top 25 premier, full-service business advisory and accounting firm that’s passionate for what’s next.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United States201-500143 contacts →

Exact match

“SourceIN helps global businesses build finance and accounting operations they can trust.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
23Exact matchDelaware, DE, United States501-1,000115 contacts →

Exact match

“Welcome to GLOCAL Accounting.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
24Exact matchIrvine, CA, United States1,001-5,00097 contacts →

Exact match

“Anand Tated a seasoned chartered accountant and the CEO of Pacific Accounting & Business Services (PABS) started PABS with his vision to customize modern solutions and deliver…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
25Exact matchSugar Land, TX, United States1,001-5,00097 contacts →

Exact match

“As a leading solutions provider for more than 850 CPAs and Accounting firms, Entigrity specializes in building offshore teams, offering M&A advisory, coaching, and partnering with…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase

Showing 25 of 12,216 accounting services outsourcing companies based in the United States

See the full list, filter by size, metro and specialty, and access 18,423 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting services outsourcing companies based in the United States at a glance

As of Aug 30, 2026
32.0%Verified-email coverage
32.2%Mobile-number coverage
4.7Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · New York
Aug 30, 2026Page data refreshed

Companies by employee count

1-10
9,804
11-50
1,919
51-200
301
201-500
47
501-1,000
9
1,001-5,000
11
10001+
2

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 services outsourcing 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 18,423 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 August 30, 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 services outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting services outsourcing companies are there based in the United States?

RevenueBase identified 12,216 company matches for accounting services outsourcing companies associated with the United States as of August 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?

Pacific Group Of Companies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most accounting services outsourcing companies?

New York leads with 277 company records, followed by Houston (209) and Los Angeles (164).

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 18,423 professional contacts with verified work emails tracked across these 12,216 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 August 30, 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.