Company lists · Data refreshed September 2026

Top 25 Auditing service providers based in the United States

RevenueBase identified 155 company matches for auditing service providers associated with the United States as of September 2026 and tracks 2,224 professional contacts across them, including 877 with verified work emails. Houston is the largest hub.

This list covers company matches for auditing service providers 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 19, 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 19, 2026 How this list was built
155Companies
2,224Contacts tracked
877Verified emails
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The 25 largest auditing service providers based in the United States

Ranked by team size
Top 25 of 155 company matches for auditing service providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 19, 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 19, 2026 · View company records in RevenueBase
2Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 202651-200135 contacts →

Exact match

“Maher Duessel is a leading regional CPA firm that was founded to provide high-caliber audit, tax, and consulting services to clients in the governmental and non-profit sectors.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchBethesda, MD, United StatesHQ recorded Sep 19, 202651-200104 contacts →

Exact match

“For over 45 years, Rubino & Company, Chartered has provided outstanding public accounting, tax advisory, regulatory consulting, and financial services to clients in the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchTucson, AZ, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
5Exact matchLake Forest, CA, United StatesHQ recorded Sep 19, 202651-20052 contacts →

Exact match

“Conrad LLP is a CPA firm specializing in audit and consulting for government clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchColorado Springs, CO, United StatesHQ recorded Sep 19, 202651-20046 contacts →

Exact match

“Johanson Group has provided Security & Compliance Audit Services to public and private companies in a variety of industries across the world.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchManassas, VA, United StatesHQ recorded Sep 19, 202611-5046 contacts →

Exact match

“Reed & Associates is a woman-owned small business with offices in Old Saybrook, CT, and Manassas, VA.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchBridgeville, PA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
9Exact matchIrwindale, CA, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
10Exact matchLanham, MD, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
11Exact matchAlexandria, VA, United StatesHQ recorded Sep 19, 202611-5034 contacts →

Exact match

“RM Advisory Services LLC is a licensed Certified Public Accountant and member, in good standing, with the Virginia Board of Accountancy.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchDenver, CO, United StatesHQ recorded Sep 19, 202611-5031 contacts →

Exact match

“Linford & Company LLP is a Denver-based Certified Public Accounting firm comprised of former “Big Four” auditors and Information Security experts.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchSan Ramon, CA, United StatesHQ recorded Sep 19, 202651-20031 contacts →

Exact match

“Lindquist LLP is a leading and award-winning certified public accounting firm that provides audit, accounting, compliance and consulting services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchConcord, NH, United StatesHQ recorded Sep 19, 202611-5029 contacts →

Exact match

“Plodzik & Sanderson Professional Association was founded in 1975, and is a full-service accounting and auditing firm located in Concord, New Hampshire.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchAvon, CO, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
16Exact matchAlbuquerque, NM, United StatesHQ recorded Sep 19, 202611-5026 contacts →

Exact match

“SJT Group LLC provides a wide range of audit, accounting and consulting services to nonprofit and governmental organizations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchPleasant Prairie, WI, United StatesHQ recorded Sep 19, 202611-5026 contacts →

Exact match

“Yes, we are skilled auditors, accounting professionals and advisors.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 19, 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 19, 2026 · View company records in RevenueBase
19Exact matchKansas City, MO, United StatesHQ recorded Sep 19, 202611-5023 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchPasadena, CA, United StatesHQ recorded Sep 19, 202611-5023 contacts →

Exact match

“Harrington Group, Certified Public Accountants, LLP is a certified public accounting and consulting firm with offices in Los Angeles and San Francisco.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchSan Jose, CA, United StatesHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“AuditSAP was founded by two very experienced IT Audit Practitioners who vow to focus their efforts to help organizations develop their IT Audit capability, automate audit…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchGalva, KS, United StatesHQ recorded Sep 19, 202611-5020 contacts →

Exact match

“The Loyd Group, LLC is Certified Public Accounting firm that specializes in governmental clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchDecatur, GA, United StatesHQ recorded Sep 19, 202611-5019 contacts →

Exact match

“MH Miles Company, CPA, PC (MHMC) is a certified public accounting firm with offices in Decatur, Georgia, Douglasville, GA, Albany, NY, and Washington, DC.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchSacramento, CA, United StatesHQ recorded Sep 19, 202611-5018 contacts →

Exact match

“Sjoberg Evashenk Consulting provides practical solutions for improving state and local government operations, programs, service delivery, and public accountability.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchWoodstock, GA, United StatesHQ recorded Sep 19, 202611-5018 contacts →

Exact match

“Since 1988, Elsym Consulting, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 155 auditing service providers based in the United States

See the full list, filter by size, metro and specialty, and access 877 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Auditing service providers based in the United States at a glance

As of Sep 19, 2026
39.4%Verified-email coverage
14.3Average contacts per company
11-50Median size (employees)
3.2%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
67
51-200
13
201-500
2
5,001-10,000
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 155 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 “auditing service providers” 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 877 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 19, 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 “auditing service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many auditing service providers are there based in the United States?

RevenueBase identified 155 company matches for auditing service providers 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 auditing service providers?

Houston leads with 5 company records, followed by Atlanta (4) and Dallas (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 877 professional contacts with verified work emails tracked across these 155 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 19, 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.