Company lists · Data refreshed September 2026

Top 25 Government consulting services based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 7,355 companies tracked

RevenueBase identified 7,355 company matches for government consulting services associated with the United States as of September 2026 and tracks 94,939 professional contacts across them, including 32,487 with verified work emails. Washington is the largest hub.

This list covers company matches for government consulting 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

7,355Companies

94,939Contacts tracked

32,487Verified emails

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The 25 largest government consulting services based in the United States

Ranked by team size

Top 25 of 7,355 company matches for government consulting 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 21, 2026	5,001-10,000	8,779 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Kearney	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	5,001-10,000	6,978 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	ABT Global	Exact match	Rockville, MD, United StatesHQ recorded Sep 21, 2026	1,001-5,000	3,323 contacts →
	Exact match “Abt is a mission-driven consulting and research firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Frost & Sullivan	Exact match	San Antonio, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,330 contacts →
	Exact match “For over six decades, Frost & Sullivan has helped the world’s top companies toward transformational growth journeys that result in a stream of innovative growth opportunities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Sikich	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,688 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 · Sep 21, 2026 · View company records in RevenueBase
6	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,395 contacts →
	Exact match “Davey Resource Group, Inc.(DRG) provides innovative consulting and field services that support utility infrastructure and environmental stewardship.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Ardurra	Exact match	Miami, FL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,260 contacts →
	Exact match “Expertly balancing experience and innovation to deliver unique solutions to public and private clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Navigant	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	5,001-10,000	1,029 contacts →
	Exact match “Guidehouse is a leading global provider of consulting services to the public and commercial markets with broad capabilities in management, technology, and risk consulting.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	ERG	Exact match	Concord, MA, United StatesHQ recorded Sep 21, 2026	501-1,000	663 contacts →
	Exact match “ERG is a multidisciplinary consulting firm offering a broad range of professional services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Acumen, LLC	Exact match	Burlingame, CA, United StatesHQ recorded Sep 21, 2026	501-1,000	570 contacts →
	Exact match “Acumen, LLC works to improve the information provided to policymakers who design and revise welfare, health, education, labor, and business programs at the national, state, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	GSA National	Exact match	Fairfax, VA, United StatesHQ recorded Sep 21, 2026	201-500	558 contacts →
	Exact match “GSA National has been helping government contractors ensure compliance and streamline costs since 1991.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	DLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	201-500	546 contacts →
	Exact match “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Life Cycle Engineering	Exact match	Charleston, SC, United StatesHQ recorded Sep 21, 2026	501-1,000	539 contacts →
	Exact match “Life Cycle Engineering (LCE) provides consulting, engineering, information technology and education solutions that deliver lasting results for private industry, public entities…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	JBS International, INC	Exact match	North Bethesda, MD, United StatesHQ recorded Sep 21, 2026	201-500	506 contacts →
	Exact match “Established in 1985 by two women, JBS International, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	The Mannik & Smith Group, INC	Exact match	Maumee, OH, United StatesHQ recorded Sep 21, 2026	501-1,000	467 contacts →
	Exact match “Technical skill, relationships and leadership are the foundation of The Mannik & Smith Group, Inc.(MSG) and have been not just a tradition, but a way of doing business for 70…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Remington & Vernick Engineers	Exact match	Cherry Hill, NJ, United StatesHQ recorded Sep 21, 2026	501-1,000	438 contacts →
	Exact match “Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Edgewater Federal Solutions, INC	Exact match	Frederick, MD, United StatesHQ recorded Sep 21, 2026	501-1,000	410 contacts →
	Exact match “Edgewater Federal Solutions was founded in 2002 with the mission of being the best IT consulting company possible for our government clients, our contracting partners and our…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	IBM Promontory	Exact match	Washington, DC, United StatesHQ recorded Sep 21, 2026	501-1,000	403 contacts →
	Exact match “IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	JPI	Exact match	Blacksburg, VA, United StatesHQ recorded Sep 21, 2026	51-200	373 contacts →
	Exact match “JPI is an Information Technology and Program Management Consulting Firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Deep Water Point & Associates	Exact match	Annapolis, MD, United StatesHQ recorded Sep 21, 2026	201-500	350 contacts →
	Exact match “Deep Water Point & Associates is composed of industry veterans and government experts who dedicate their expertise to maximize our clients’ competitive edge.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Drummond Advisors	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	201-500	322 contacts →
	Exact match “Drummond Advisors provides global consulting services to companies focusing on accounting, tax, legal and business development.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	ATS	Exact match	Cambridge, United StatesHQ recorded Sep 21, 2026	n/a	313 contacts →
	Exact match “ATS – 40 Years: Advancing Projects, Boosting Profits, and Cutting Costs For over 40 years, ATS has partnered with organizations worldwide to deliver outstanding results.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Iquasar LLC	Exact match	Sterling, VA, United StatesHQ recorded Sep 21, 2026	201-500	312 contacts →
	Exact match “Based in Sterling, Virginia, iQuasar LLC, with over 20 years of experience, we help small and medium businesses grow in the federal marketplace through Proposal Development…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Quantech Services INC	Exact match	Lexington, MA, United StatesHQ recorded Sep 21, 2026	201-500	299 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Capitol Bridge	Exact match	Arlington, VA, United StatesHQ recorded Sep 21, 2026	51-200	289 contacts →
	Exact match “Capitol Bridge is a leading services provider for State and Federal government customers” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “government consulting services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 7,355 government consulting services based in the United States

See the full list, filter by size, metro and specialty, and access 32,487 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government consulting services based in the United States at a glance

As of Sep 21, 2026

34.2%Verified-email coverage

12.9Average contacts per company

1-10Median size (employees)

5.4%Largest-city concentration · Washington

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

5,444

11-50

1,339

51-200

408

201-500

105

501-1,000

1,001-5,000

5,001-10,000

10001+

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 7,355 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 consulting 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 32,487 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.

Government consulting services by metro

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 consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 7,355 company matches for government consulting 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?

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

Which city has the most government consulting services?

Washington leads with 400 company records, followed by New York (198) and Houston (145).

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 32,487 professional contacts with verified work emails tracked across these 7,355 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.