Company lists · Data refreshed September 2026

Top 25 Outsourced auditing services based in the United States

RevenueBase identified 140 company matches for outsourced auditing services associated with the United States as of September 2026 and tracks 1,657 professional contacts across them, including 689 with verified work emails. New York is the largest hub.

This list covers company matches for outsourced auditing services 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
140Companies
1,657Contacts tracked
689Verified emails
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The 25 largest outsourced auditing services based in the United States

Ranked by team size
Top 25 of 140 company matches for outsourced auditing services 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 matchCoral Springs, FL, United StatesHQ recorded Sep 21, 2026201-500320 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 21, 2026 · View company records in RevenueBase
2Exact matchAlexandria, VA, United StatesHQ recorded Sep 21, 2026201-500134 contacts →

Exact match

“Cotton is an audit and accounting firm located in Old Town Alexandria, VA.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchMaple Shade, NJ, United StatesHQ recorded Sep 21, 202651-20086 contacts →

Exact match

“Haefele Flanagan, founded in 1967, is a full service consulting, accounting, auditing, and tax service firm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-20062 contacts →

Exact match

“Welcome to CRSP Connect, your trusted partner in outsourcing and offshore staffing solutions, tailored for Certified Public Accountants, Enrolled Agents, accounting firms, and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchCoral Gables, FL, United StatesHQ recorded Sep 21, 202611-5059 contacts →

Exact match

“PAAST (Perez-Abreu, Aguerrebere, Sueiro & Torres, PL) is a public accounting firm offering a full-line of services, including accounting, attestation, tax, financial due…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchTucson, AZ, United StatesHQ recorded Sep 21, 202651-20053 contacts →

Exact match

“HeinfeldMeech is a premier auditing and consulting firm specializing in the service of governmental and nonprofit organizations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchRichmond, VA, United StatesHQ recorded Sep 21, 202651-20046 contacts →

Exact match

“We are more than accountants, we're your partner.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchFrisco, TX, United StatesHQ recorded Sep 21, 202611-5044 contacts →

Exact match

“As a full-service CPA firm with over 50 years of experience, our firm is dedicated to helping you and/or your business succeed!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBridgeville, PA, United StatesHQ recorded Sep 21, 202611-5041 contacts →

Exact match

“McClintock & Associates offers a broad range of financial services, with a specialty in financial statement audits and student financial aid audits for the postsecondary education…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchDiamond Bar, CA, United StatesHQ recorded Sep 21, 202651-20041 contacts →

Exact match

“Our service team has a broad based local and national experience in the industries of professional services, technology & software, health care, alternative energy, e-commerce, as…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchIrwindale, CA, United StatesHQ recorded Sep 21, 202651-20039 contacts →

Exact match

“Accounting and Auditing Auditing service includes financial statement audit, compliance audit, internal audit and operation audit.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchLanham, MD, United StatesHQ recorded Sep 21, 202651-20038 contacts →

Exact match

“Allmond & Company, LLC, a small business, is a certified public accounting firm with a Federal accounting and auditing practice and an outstanding reputation for quality and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBuena Park, CA, United StatesHQ recorded Sep 21, 202651-20036 contacts →

Exact match

“At AuditOne, we believe internal audit should do more than satisfy regulatory expectations, it should strengthen organizations, improve decision-making, and create lasting value.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchScranton, PA, United StatesHQ recorded Sep 21, 202611-5029 contacts →

Exact match

“We are a local Certified Public Accounting firm and have been a member of the business community for more than 40 years.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchAvon, CO, United StatesHQ recorded Sep 21, 202611-5028 contacts →

Exact match

“McMahan and Associates has been delivering professional services to clients throughout the United States for over fifty years.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 21, 202611-5024 contacts →

Exact match

“Established in 1990, Prado & Renteria is the largest Hispanic and woman-owned Public Accounting firm in the State of Illinois, providing services, nationally and internationally.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchKansas City, MO, United StatesHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“McBride, Lock & Associates, LLC was formed in 1980.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchLas Vegas, NV, United StatesHQ recorded Sep 21, 202611-5021 contacts →

Exact match

“Certified Public Accounting Firm offering traditional audits, consulting, and tax services as well as a broad range of advisory services including strategic, regulatory, mergers…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“KMJ provides accounting, auditing, tax and consulting services to public and private companies in the small to middle markets.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchLakewood, CO, United StatesHQ recorded Sep 21, 202611-5017 contacts →

Exact match

“Taxation, accounting and auditing - construction, agriculture, oil and gas, employee benefits, not-for-profits, SEC.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchFolsom, CA, United StatesHQ recorded Sep 21, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchAudubon, PA, United StatesHQ recorded Sep 21, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchHonolulu, HI, United StatesHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Hiring an in-house accounting team requires significant financial and physical resources- resources better targeted at your core business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchCedar Park, United StatesHQ recorded Sep 21, 20261-1012 contacts →

Exact match

“Singleton, Clark & Company is a certified public accounting firm specialized in auditing entities such as school districts, cities, counties, and nonprofit organizations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchGreenville, TX, United StatesHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Scott, Singleton, Fincher & Company, PC is a public accounting firm offering audit, review, taxation, and compilation services.”

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

Showing 25 of 140 outsourced auditing services based in the United States

See the full list, filter by size, metro and specialty, and access 689 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourced auditing services based in the United States at a glance

As of Sep 21, 2026
41.6%Verified-email coverage
11.8Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
76
11-50
48
51-200
11
201-500
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 140 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 “outsourced auditing services” 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 689 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 “outsourced auditing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourced auditing services are there based in the United States?

RevenueBase identified 140 company matches for outsourced auditing services 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?

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

Which city has the most outsourced auditing services?

New York leads with 5 company records, followed by Atlanta (4) and Dallas (4).

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 689 professional contacts with verified work emails tracked across these 140 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.