Company lists · Data refreshed October 2026

Top 25 Government audit contractors based in the United States

RevenueBase identified 649 company matches for government audit contractors associated with the United States as of October 2026 and tracks 15,004 professional contacts across them, including 4,755 with verified work emails. Houston is the largest hub.

This list covers company matches for government audit contractors 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 October 13, 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 Oct 13, 2026 How this list was built
649Companies
15,004Contacts tracked
4,755Verified emails
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The 25 largest government audit contractors based in the United States

Ranked by team size
Top 25 of 649 company matches for government audit contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchChicago, IL, United StatesHQ recorded Oct 13, 20261,001-5,0001,869 contacts →

Exact match

“Sikich offers the public and private sectors a diverse platform of professional services across consulting, technology, and compliance.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchBethesda, MD, United StatesHQ recorded Oct 13, 2026201-500301 contacts →

Exact match

“Information Systems and Networks Corporation- Headquartered in Bethesda, Maryland, ISN Corporation is a nationwide provider of specialized professional services to Federal…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchBethesda, MD, United StatesHQ recorded Oct 13, 202651-200265 contacts →

Exact match

“Headquartered in the Washington, DC metropolitan region, GRF CPAs & Advisors (GRF) is a full-service professional services firm providing clients with audit and assurance, tax…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchNaperville, IL, United StatesHQ recorded Oct 13, 2026201-500234 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 · Oct 13, 2026 · View company records in RevenueBase
5Exact matchTallahassee, FL, United StatesHQ recorded Oct 13, 202651-200169 contacts →

Exact match

“Thomas Howell Ferguson P.A.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchOwings Mills, MD, United StatesHQ recorded Oct 13, 202651-200160 contacts →

Exact match

“SB & Company, LLC (SBC) is an audit, tax, risk consulting and business advisory firm that is an outstanding place where highly talented people help our clients succeed.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchBuffalo, NY, United StatesHQ recorded Oct 13, 202651-200157 contacts →

Exact match

“Lumsden McCormick CPA is located in the newly renovated Cyclorama Building in downtown Buffalo.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchWoodbridge, VA, United StatesHQ recorded Oct 13, 202651-200148 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchWaco, TX, United StatesHQ recorded Oct 13, 202651-200148 contacts →

Exact match

“Pattillo, Brown & Hill, L.L.P has been pace setter within the Waco, Texas community since its inauguration in 1923 and continues to be one of the oldest and most respected…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchCamp Hill, PA, United StatesHQ recorded Oct 13, 202651-200146 contacts →

Exact match

“Boyer & Ritter's sound reputation as a high-quality, high-value regional accounting firm is upheld by our team of dedicated professionals and our client-oriented philosophy.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchAlexandria, VA, United StatesHQ recorded Oct 13, 202651-200146 contacts →

Exact match

“Castro & Company is an audit, advisory, and IT services CPA Firm specializing in providing the full resources and quality expected from a larger CPA firm while not compromising in…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchPittsburgh, PA, United StatesHQ recorded Oct 13, 202651-200142 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 · Oct 13, 2026 · View company records in RevenueBase
13Exact matchAlexandria, VA, United StatesHQ recorded Oct 13, 2026201-500131 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchRed Bank, NJ, United StatesHQ recorded Oct 13, 202651-200112 contacts →

Exact match

“We Make Your Business Operations Comfortable.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchBethesda, MD, United StatesHQ recorded Oct 13, 202651-200111 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 · Oct 13, 2026 · View company records in RevenueBase
16Exact matchJersey City, NJ, United StatesHQ recorded Oct 13, 202651-20098 contacts →

Exact match

“Accume Partners, now part of Cherry Bekaert, is a trusted risk assurance and advisory leader and innovator in delivering integrated solutions to our clients in highly regulated…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Oct 13, 20261,001-5,00093 contacts →

Exact match

“Top accounting firm Raffa, P.C.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Oct 13, 202651-20093 contacts →

Exact match

“At Williams Adley, we help federal clients around the globe navigate today’s daunting financial and regulatory waters-minimizing their risk and enabling them to spend with…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchLittle Rock, AR, United StatesHQ recorded Oct 13, 202651-20089 contacts →

Exact match

“HCJ CPAs and Advisors provides knowledgeable auditing, tax and business consulting services that companies need in today’s business climate.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchUtica, NY, United StatesHQ recorded Oct 13, 202651-20089 contacts →

Exact match

“Bringing our clients over 70 years of dedicated experience and service, D'Arcangelo & Co, LLP offers our clients a distinct difference through unsurpassed accounting, auditing…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchYakima, WA, United StatesHQ recorded Oct 13, 202611-5086 contacts →

Exact match

“We provide "full-service" financial accounting services, including compilations, reviews, and audits of financial statements for all sizes of closely held businesses, non-profit…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchMaple Shade, NJ, United StatesHQ recorded Oct 13, 202651-20084 contacts →

Exact match

“Ready for a new kind of accounting experience?”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchArlington, VA, United StatesHQ recorded Oct 13, 202651-20082 contacts →

Exact match

“RMA is a CPA and Consulting firm that provides audit, consulting, and advisory services to the federal government and other client entities.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchOklahoma City, OK, United StatesHQ recorded Oct 13, 202651-20069 contacts →

Exact match

“Martindale Consultants was founded in 1982 to deliver specialized audit, accounting, and regulatory compliance services to the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchVienna, VA, United StatesHQ recorded Oct 13, 202651-20067 contacts →

Exact match

“Capital Edge is the largest consulting firm exclusively dedicated to government contractors and grant recipients.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 649 government audit contractors based in the United States

See the full list, filter by size, metro and specialty, and access 4,755 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government audit contractors based in the United States at a glance

As of Oct 13, 2026
31.7%Verified-email coverage
23.1Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · Houston
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
366
11-50
203
51-200
59
201-500
12
501-1,000
3
1,001-5,000
5
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 649 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 “government audit contractors” 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 4,755 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 October 13, 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 “government audit contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government audit contractors are there based in the United States?

RevenueBase identified 649 company matches for government audit contractors associated with the United States as of October 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?

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

Which city has the most government audit contractors?

Houston leads with 24 company records, followed by New York (22) and Washington (19).

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 4,755 professional contacts with verified work emails tracked across these 649 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 October 13, 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.