Company lists · Data refreshed September 2026

Top 25 Government accountability consulting firms based in the United States

Name: Government accountability consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 770 companies tracked

RevenueBase identified 770 government accountability consulting firms headquartered in the United States as of September 2026 and tracks 14,720 professional contacts across them, including 6,261 with verified work emails. Washington is the largest hub.

This list covers government accountability consulting firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

770Companies

14,720Contacts tracked

6,261Verified emails

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The 25 largest government accountability consulting firms based in the United States

Ranked by team size

Top 25 of 770 government accountability consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to government accountability consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Kearney & Company	Partial evidence	Alexandria, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	999 contacts →
	Partial evidence “Established in 1985, Kearney & Company is the largest Certified Public Accounting (CPA) firm in the country exclusively focused on the government.” Source: RevenueBase Database · checked Sep 28, 2026
2	NEW York State Technology Enterprise Corporation Nystec	Partial evidence	Rome, NY, United StatesHQ checked Sep 28, 2026	201-500	480 contacts →
	Partial evidence “For more than 30 years, NYSTEC has provided independent advisory services to our government partners.” Source: RevenueBase Database · checked Sep 28, 2026
3	Prager Metis Cpas	Partial evidence	New York, United StatesHQ checked Sep 28, 2026	201-500	467 contacts →
	Partial evidence “Prager Metis CPAs is an independent, full service, public accounting and consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026
4	Clark Nuber PS	Indirect evidence	Bellevue, WA, United StatesHQ checked Sep 28, 2026	201-500	347 contacts →
	Indirect evidence “Clark Nuber is an award-winning Certified Public Accounting firm located in the Seattle Metro Area.” Source: RevenueBase Database · checked Sep 28, 2026
5	ISN	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 28, 2026	201-500	283 contacts →
	Indirect evidence “Information Systems and Networks Corporation- Headquartered in Bethesda, Maryland, ISN Corporation is a nationwide provider of specialized professional services to Federal…” Source: RevenueBase Database · checked Sep 28, 2026
6	Cbeyondata SMX	Partial evidence	Arlington, VA, United StatesHQ checked Sep 28, 2026	201-500	266 contacts →
	Partial evidence “cBEYONData improves the business of government by understanding the overlapping relationship between data and dollars.” Source: RevenueBase Database · checked Sep 28, 2026
7	GRF Cpas & Advisors	Indirect evidence	Bethesda, MD, United StatesHQ checked Sep 28, 2026	51-200	243 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
8	Lauterbach & Amen	Indirect evidence	Naperville, IL, United StatesHQ checked Sep 28, 2026	201-500	223 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
9	ASI Government	Partial evidence	Herndon, VA, United StatesHQ checked Sep 28, 2026	51-200	192 contacts →
	Partial evidence “For nearly two decades, ASI Government has served as a trusted advisor to government leaders seeking to improve mission performance, enhance organizational effectiveness and drive…” Source: RevenueBase Database · checked Sep 28, 2026
10	Hutchinson And Bloodgood LLP	Partial evidence	Glendale, CA, United StatesHQ checked Sep 28, 2026	51-200	187 contacts →
	Partial evidence “Hutchinson and Bloodgood LLP is a leading firm of Certified Public Accountants and Consultants providing Tax Planning, Auditing, Technology Consulting, Human Resources and…” Source: RevenueBase Database · checked Sep 28, 2026
11	LECG	Partial evidence	New York, United StatesHQ checked Sep 28, 2026	1,001-5,000	181 contacts →
	Partial evidence “LECG is a global litigation; economics; consulting and business advisory; and governance, assurance, and tax expert services firm.” Source: RevenueBase Database · checked Sep 28, 2026
12	THF Thomas Howell Ferguson	Indirect evidence	Tallahassee, FL, United StatesHQ checked Sep 28, 2026	51-200	163 contacts →
	Indirect evidence “Thomas Howell Ferguson P.A.” Source: RevenueBase Database · checked Sep 28, 2026
13	Efpr, A Springline Company	Partial evidence	Rochester, NY, United StatesHQ checked Sep 28, 2026	51-200	158 contacts →
	Partial evidence “EFPR, a Springline company, is one of Western New York’s largest accounting and business consulting firms serving clients across the United States and around the globe.” Source: RevenueBase Database · checked Sep 28, 2026
14	Boyer & Ritter LLC	Indirect evidence	Camp Hill, PA, United StatesHQ checked Sep 28, 2026	51-200	144 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
15	Herren Associates	Indirect evidence	Washington, DC, United StatesHQ checked Sep 28, 2026	51-200	142 contacts →
	Indirect evidence “Here at Herren, our goals are to drive efficiency and maximize the value of every dollar our clients spend.” Source: RevenueBase Database · checked Sep 28, 2026
16	Gross, Mendelsohn & Associates, P.A	Partial evidence	Baltimore, MD, United StatesHQ checked Sep 28, 2026	51-200	141 contacts →
	Partial evidence “Gross Mendelsohn is a full-service CPA and consulting firm serving the complete needs of privately-held businesses, nonprofit organizations and families in the Mid-Atlantic region.” Source: RevenueBase Database · checked Sep 28, 2026
17	St. Michael's INC	Indirect evidence	Woodbridge, VA, United StatesHQ checked Sep 28, 2026	51-200	139 contacts →
	Indirect evidence “St.” Source: RevenueBase Database · checked Sep 28, 2026
18	Maher Duessel	Strong evidence	Pittsburgh, PA, United StatesHQ checked Sep 28, 2026	51-200	135 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
19	Castro & Company	Indirect evidence	Alexandria, VA, United StatesHQ checked Sep 28, 2026	51-200	135 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
20	Haskell & White LLP	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	133 contacts →
	Partial evidence “Haskell & White LLP is one of the largest independently owned accounting, auditing and tax consulting firms in Southern California, specializing in servicing public and private…” Source: RevenueBase Database · checked Sep 28, 2026
21	Watkins Uiberall, Pllc	Indirect evidence	Memphis, TN, United StatesHQ checked Sep 28, 2026	51-200	133 contacts →
	Indirect evidence “Watkins Uiberall, PLLC As one of the largest locally-owned certified public accounting firms in Memphis, Watkins Uiberall has been providing reputable public accounting and…” Source: RevenueBase Database · checked Sep 28, 2026
22	Draffin Tucker	Partial evidence	Albany, GA, United StatesHQ checked Sep 28, 2026	51-200	129 contacts →
	Partial evidence “Since 1948, Draffin & Tucker has supplied a full range of professional accounting services to small businesses, large corporations, individuals, government entities, nonprofit…” Source: RevenueBase Database · checked Sep 28, 2026
23	SVA Certified Public Accountants	Indirect evidence	Madison, WI, United StatesHQ checked Sep 28, 2026	201-500	125 contacts →
	Indirect evidence “Founded in 1974 in Madison, WI, SVA started out as a small independent accounting firm with just a few professionals on staff.” Source: RevenueBase Database · checked Sep 28, 2026
24	MO	Partial evidence	Scottsdale, AZ, United StatesHQ checked Sep 28, 2026	11-50	124 contacts →
	Partial evidence “MO helps government leaders achieve their mission by designing intuitive and sustainable experiences that build trust, improve satisfaction, and reduce burden.” Source: RevenueBase Database · checked Sep 28, 2026
25	Mcking Consulting	Strong evidence	Fairfax, VA, United StatesHQ checked Sep 28, 2026	51-200	118 contacts →
	Strong evidence “McKing Consulting Corporation provides a variety of general and specialized management consulting services to the federal government, state agencies, nonprofits, and public and…” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: government accountability consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names government accountability consulting firms.
Partial evidence: Its own public description names part of government accountability consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name government accountability consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 770 government accountability consulting firms based in the United States

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Government accountability consulting firms based in the United States at a glance

As of Sep 28, 2026

42.5%Verified-email coverage

19.1Average contacts per company

1-10Median size (employees)

5.3%Largest-city concentration · Washington

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

433

11-50

236

51-200

201-500

501-1,000

1,001-5,000

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 770 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among government accountability consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “government accountability consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names government accountability consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among government accountability consulting firms, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 6,261 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Government accountability consulting firms by metro

Government accountability consulting firms in Washington41

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names government accountability consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many government accountability consulting firms are there based in the United States?

RevenueBase identified 770 government accountability consulting firms headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kearney & Company, headquartered in Alexandria, tops this list with the largest team on record.

Which city has the most government accountability consulting firms?

Washington leads with 41 headquartered companies, followed by New York (24) and Chicago (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,261 verified decision-maker contacts tracked across these 770 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.