Company lists · Data refreshed September 2026

Top 25 External audit firms based in the United States

RevenueBase identified 94 company matches for external audit firms associated with the United States as of September 2026 and tracks 1,192 professional contacts across them, including 655 with verified work emails. Houston is the largest hub.

This list covers company matches for external audit 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 20, 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 20, 2026 How this list was built
94Companies
1,192Contacts tracked
655Verified emails
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The 25 largest external audit firms based in the United States

Ranked by team size
Top 25 of 94 company matches for external audit firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchNaperville, IL, United StatesHQ recorded Sep 20, 2026201-500223 contacts →

Exact match

“Lauterbach & Amen, LLP (L&A), established in 1997 by partners Sherry Lauterbach and Ron Amen, is a reputable public accounting firm known for its unwavering dedication to quality…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchEvansville, IN, United StatesHQ recorded Sep 20, 202651-200200 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchCoral Gables, FL, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
4Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 20, 202651-20047 contacts →

Exact match

“We’re Utah’s premier independent public accounting firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchRichmond, VA, United StatesHQ recorded Sep 20, 202651-20046 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchBridgeville, PA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
7Exact matchDiamond Bar, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
8Exact matchIrwindale, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
9Exact matchBuena Park, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
10Exact matchScranton, PA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
11Exact matchKansas City, MO, United StatesHQ recorded Sep 20, 202611-5023 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchLas Vegas, NV, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
14Exact matchAudubon, PA, United StatesHQ recorded Sep 20, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchCedar Park, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
16Exact matchToledo, OH, United StatesHQ recorded Sep 20, 202611-5011 contacts →

Exact match

“In today's increasingly complex business environment, the role of the independent certified public accounting firm is being redefined.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchPasadena, CA, United StatesHQ recorded Sep 20, 202611-5011 contacts →

Exact match

“Sotomayor & Associates, LLP, a CPA firm, specializes in assisting its worldwide clients in financial statement audits of public and private entities, the preparation of financial…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchGreenville, TX, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
19Exact matchSherman Oaks, CA, United StatesHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“Gingold & Company is a dynamic Los Angeles-based certified public accounting firm which specializes in conducting compliance audits for its clients in the fields of licensed…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchLas Vegas, United StatesHQ recorded Sep 20, 202611-508 contacts →

Exact match

“Bush & Associates is a PCAOB-licensed audit firm dedicated to setting the highest standard in the industry for technical expertise, efficiency, and client service.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchBoca Raton, FL, United StatesHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Salberg & Company is a PCAOB registered CPA firm involved with mergers & acquisitions and SEC related services including annual audits, quarterly reviews, due diligence services…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchLaramie, WY, United StatesHQ recorded Sep 20, 20261-107 contacts →

Exact match

“ClingerHagerman is a public accounting firm headquartered in Laramie, Wyoming, with offices in Laramie and Greeley, Colorado, that provides audit, accounting, and consulting…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Co- and outsourced internal audit activities for community banks, including BSA/AML and model validation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchCherry Hill, NJ, United StatesHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Holmes & Company, LLC is an accounting and consulting firm certified as an 8(a) Minority Business Enterprise (MBE) and a Small Disadvantaged Business Enterprise (SDBE) based in…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchCarlsbad, United StatesHQ recorded Sep 20, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 94 external audit firms based in the United States

See the full list, filter by size, metro and specialty, and access 655 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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External audit firms based in the United States at a glance

As of Sep 20, 2026
54.9%Verified-email coverage
12.7Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · Houston
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
35
51-200
6
201-500
3

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 94 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 “external audit 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 655 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 20, 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 “external audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many external audit firms are there based in the United States?

RevenueBase identified 94 company matches for external audit 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?

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

Which city has the most external audit firms?

Houston leads with 3 company records, followed by Las Vegas (3) and New York (3).

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 655 professional contacts with verified work emails tracked across these 94 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 20, 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.