Company lists · Data refreshed October 2026

Top 25 Government consulting firms worldwide

Name: Government consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 19,593 companies tracked

RevenueBase identified 19,593 company matches for government consulting firms worldwide as of October 2026 and tracks 234,751 professional contacts across them, including 58,646 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers company matches for government consulting firms worldwide, 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 1, 2026. Country and city lists for government consulting firms follow the table.

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 1, 2026 How this list was built

19,593Companies

234,751Contacts tracked

58,646Verified emails

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The 25 largest government consulting firms worldwide

Ranked by team size

Top 25 of 19,593 company matches for government consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Oct 1, 2026	5,001-10,000	9,697 contacts →
	Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
3	Kearney	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
4	Management Solutions	Exact match	Madrid, SpainHQ recorded Oct 1, 2026	1,001-5,000	4,468 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Public Consulting Group	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,694 contacts →
	Exact match “Public Consulting Group (PCG) is a leading public sector solutions implementation and operations improvement firm that partners with health, education, and human services agencies…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	J.S. Held LLC	Exact match	Jericho, NY, PalestineHQ recorded Oct 1, 2026	1,001-5,000	1,954 contacts →
	Exact match “J.S.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	DCS Corp	Exact match	Alexandria, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,898 contacts →
	Exact match “DCS delivers advanced technology and management solutions to Government agencies in the national security sector.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	BMC	Exact match	Amersfoort, NetherlandsHQ recorded Oct 1, 2026	1,001-5,000	1,755 contacts →
	Exact match “BMC is opgericht vanuit de overtuiging dat de bedrijfsvoering binnen de overheid kon worden verbeterd.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Davey Resource Group, INC	Exact match	Kent, OH, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
10	IPE Global Limited	Exact match	New Delhi, IndiaHQ recorded Oct 1, 2026	501-1,000	1,322 contacts →
	Exact match “Headquartered in India with six international offices in Cambodia, Ethiopia, Kenya, the Philippines, Germany and the United Kingdom, IPE Global Group offers a range of integrated…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Ardurra	Exact match	Miami, FL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
12	Accenture Greece	Exact match	Kifisia, GreeceHQ recorded Oct 1, 2026	1,001-5,000	1,171 contacts →
	Exact match “Η Accenture είναι ηγέτιδα εταιρεία παροχής συμβουλευτικών υπηρεσιών σε παγκόσμιο επίπεδο, δημιουργώντας απτή αξία με ταχύτητα και σε μεγάλη κλίμακα.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Navigant	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
14	PPC	Exact match	Trevose, PA, United StatesHQ recorded Oct 1, 2026	201-500	979 contacts →
	Exact match “PPC is now part of DSA” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Odyssey Systems	Exact match	Wakefield, MA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	906 contacts →
	Exact match “Odyssey is a leading provider of outstanding management, analytical, and technical support services to both the government and private sectors.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Iron BOW Technologies	Exact match	Herndon, VA, United StatesHQ recorded Oct 1, 2026	501-1,000	841 contacts →
	Exact match “We deliver mission success through next-generation solutions across government, healthcare, and commercial markets.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Systems Engineering Services Corporation Sesc	Exact match	Reston, VA, United StatesHQ recorded Oct 1, 2026	201-500	747 contacts →
	Exact match “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Lgs, An IBM Company	Exact match	Québec, QC, CanadaHQ recorded Oct 1, 2026	501-1,000	742 contacts →
	Exact match “A consulting firm providing technology solutions and advisory services to both private and public sector organizations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	PD	Exact match	Berlin, GermanyHQ recorded Oct 1, 2026	1,001-5,000	702 contacts →
	Exact match “Die PD ist die Beratung / Für die öffentliche Hand von morgen / Seit 2008 beraten wir ausschließlich öffentliche Auftraggeber zu moderner Verwaltungsarbeit und…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	ERG	Exact match	Concord, MA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
21	CAT Technologies LTD	Exact match	Hyd, IndiaHQ recorded Oct 1, 2026	201-500	660 contacts →
	Exact match “CAT Technology Inc, established in October is engaged in providing quality consulting services in Systems Analysis, System Design, Database Administration, Systems Engineering…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Salient Crgt	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	639 contacts →
	Exact match “For over 20 years, Salient CRGT has upheld its mission to "empower our diverse, hard-working team to deliver high-value solutions that make positive impacts on missions and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Abacus Technology Corporation	Exact match	Chevy Chase, MD, United StatesHQ recorded Oct 1, 2026	501-1,000	627 contacts →
	Exact match “Abacus Technology Corporation delivers leading edge, high quality assistance in response to complex technology challenges.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Planned Systems International	Exact match	Columbia, MD, United StatesHQ recorded Oct 1, 2026	1,001-5,000	611 contacts →
	Exact match “Since 1988, PSI teams have provided our government customers with innovative, cost effective solutions that solve today’s complex challenges, improve operational efficiencies, and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	557 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” Recorded in the RevenueBase company graph · Oct 1, 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 firms”. 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 19,593 government consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 58,646 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government consulting firms worldwide at a glance

As of Oct 1, 2026

25.0%Verified-email coverage

12.0Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · Washington

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

13,181

11-50

4,541

51-200

1,307

201-500

315

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for government consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “government consulting 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. 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 58,646 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 1, 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 firms by location

112 lists · largest first

Every Government consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many government consulting firms are there worldwide?

RevenueBase identified 19,593 company matches for government consulting firms worldwide 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?

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

Which country has the most government consulting firms?

The United States leads with 5,840 companies, followed by the United Kingdom (970) and France (918). Every government consulting firms list by country and city is linked on this page.

Which city has the most government consulting firms?

Washington leads with 394 company records, followed by Paris (276) and London (240).

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 58,646 professional contacts with verified work emails tracked across these 19,593 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 1, 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.