Company lists · Data refreshed September 2026

Top 25 Accounting business process outsourcing companies based in the United States

Name: Accounting business process outsourcing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 14,117 companies tracked

RevenueBase identified 14,117 company matches for accounting business process outsourcing companies associated with the United States as of September 2026 and tracks 78,242 professional contacts across them, including 20,760 with verified work emails. New York is the largest hub.

This list covers company matches for accounting business process 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 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

14,117Companies

78,242Contacts tracked

20,760Verified emails

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The 25 largest accounting business process outsourcing companies based in the United States

Ranked by team size

Top 25 of 14,117 company matches for accounting business process outsourcing companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Datamatics Business Solutions	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	1,001-5,000	3,000 contacts →
	Exact match “Datamatics Business Solutions is a global Business Process Management (BPM) company delivering technology-led and AI-enabled solutions that help organizations improve efficiency…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Stream Global Services	Exact match	Eagan, MN, United StatesHQ recorded Sep 27, 2026	10001+	2,772 contacts →
	Exact match “Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Personiv	Exact match	Austin, TX, United StatesHQ recorded Sep 27, 2026	10001+	2,231 contacts →
	Exact match “OUR PEOPLE, YOUR PRIORITIES Streamline your finance & accounting team at 50% cost savings with a team as small as one.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	SEBPO	Exact match	Marlton, NJ, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,237 contacts →
	Exact match “SEBPO transforms operational complexity into a seamless, strategic advantage.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Shore Group Associates	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	201-500	680 contacts →
	Exact match “Shore Group eliminates manual, repetitive operations so small and mid-sized businesses can scale with confidence, without adding headcount or complexity.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Buwelo Corporate	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 27, 2026	1,001-5,000	598 contacts →
	Exact match “Buwelo BPO is a global Business Process Outsourcing provider of multi-channel customer experience and back office solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Metriqe Solutions	Exact match	Irving, TX, United StatesHQ recorded Sep 27, 2026	201-500	571 contacts →
	Exact match “Founded in 2007, Metriqe Solutions started out as a Hotel Accounting firm in USA.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	OWN Business Management	Exact match	Ajman Free Zone, United StatesHQ recorded Sep 27, 2026	n/a	490 contacts →
	Exact match “OBM is a leading business process management company in UAE which provides client driven business management solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	OKS Group	Exact match	Bala Cynwyd, PA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	416 contacts →
	Exact match “Founded in 1985, OKS Group provides customized BPO and LPO services to some of the world's largest and most demanding companies.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Supporting Strategies	Exact match	Beverly, MA, United StatesHQ recorded Sep 27, 2026	51-200	415 contacts →
	Exact match “Outsourced Bookkeeping and Controller Services Supporting Strategies provides outsourced bookkeeping services, controller services and operational support to growing businesses.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Global Agility Solutions	Exact match	Austin, TX, United StatesHQ recorded Sep 27, 2026	501-1,000	403 contacts →
	Exact match “Global Agility Solutions offers comprehensive onshore, offshore and hybrid Business Process Outsourcing (BPO) services and solutions focused on automating and advancing repeatable…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Outsource Partners International Alumni	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	1,001-5,000	397 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 · Sep 27, 2026 · View company records in RevenueBase
13	Bench Accounting By Mainstreet	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	366 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 · Sep 27, 2026 · View company records in RevenueBase
14	Cohesive	Exact match	Exton, PA, United StatesHQ recorded Sep 27, 2026	501-1,000	364 contacts →
	Exact match “Cohesive is a leading solutions provider and systems integrator for IBM Maximo.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Advantage ONE TAX Consulting	Exact match	Sterling, VA, United StatesHQ recorded Sep 27, 2026	201-500	347 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 · Sep 27, 2026 · View company records in RevenueBase
16	Delegate CX	Exact match	Dallas, TX, United StatesHQ recorded Sep 27, 2026	201-500	341 contacts →
	Exact match “Growth Made Achievable.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	OHI	Exact match	New York, United StatesHQ recorded Sep 27, 2026	201-500	339 contacts →
	Exact match “OHI is a specialized finance and real estate accounting outsourcing service provider with operations out of New Delhi (India) since 2006.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Eplanet Global	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 27, 2026	501-1,000	329 contacts →
	Exact match “About Eplanet Global Since our inception in 2003, Eplanet Global has been a trailblazer in the tech-driven BPO industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Unison Globus	Exact match	Coral Springs, FL, United StatesHQ recorded Sep 27, 2026	201-500	320 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 · Sep 27, 2026 · View company records in RevenueBase
20	Montpac	Exact match	Granite Bay, CA, United StatesHQ recorded Sep 27, 2026	201-500	298 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 · Sep 27, 2026 · View company records in RevenueBase
21	Cognet	Exact match	Orlando, FL, United StatesHQ recorded Sep 27, 2026	501-1,000	297 contacts →
	Exact match “CogNet is a leading Business Process Management (BPM) company supporting our partners in the Human Resource Services industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Ardem Incorporated	Exact match	Princeton, NJ, United StatesHQ recorded Sep 27, 2026	1,001-5,000	271 contacts →
	Exact match “ARDEM Incorporated delivers strategic business process outsourcing (BPO) and AI automation solutions that help organizations drive productivity, reduce costs, and scale…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Mayatax	Exact match	Houston, TX, United StatesHQ recorded Sep 27, 2026	501-1,000	269 contacts →
	Exact match “Growth exposes financial weakness.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Kindercare Learing Center	Exact match	Portland, OR, United StatesHQ recorded Sep 27, 2026	n/a	257 contacts →
	Exact match “Kindercare Learing Center is an Accounting company located in 650 NE Holladay St # 1400, Portland, Oregon, United States.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	SAPRO	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	501-1,000	252 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 · Sep 27, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “accounting business process outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,117 accounting business process outsourcing companies based in the United States

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Accounting business process outsourcing companies based in the United States at a glance

As of Sep 27, 2026

26.5%Verified-email coverage

5.5Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · New York

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11,300

11-50

2,187

51-200

387

201-500

105

501-1,000

1,001-5,000

5,001-10,000

10001+

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 14,117 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 business process 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 20,760 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.

Accounting business process outsourcing companies by metro

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 business process outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 14,117 company matches for accounting business process outsourcing 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?

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

Which city has the most accounting business process outsourcing companies?

New York leads with 340 company records, followed by Houston (243) and Los Angeles (187).

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 20,760 professional contacts with verified work emails tracked across these 14,117 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.