Company lists · Data refreshed September 2026

Top 25 Federal IT consulting services worldwide

Name: Federal IT consulting services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 43,014 companies tracked

RevenueBase identified 43,014 company matches for federal IT consulting services worldwide as of September 2026 and tracks 1,084,748 professional contacts across them, including 274,787 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for federal IT consulting services 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 September 28, 2026. Country and city lists for federal IT consulting services 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 Sep 28, 2026 How this list was built

43,014Companies

1,084,748Contacts tracked

274,787Verified emails

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The 25 largest federal IT consulting services worldwide

Ranked by team size

Top 25 of 43,014 company matches for federal IT consulting services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Sep 28, 2026	10001+	82,768 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	NTT Data	Exact match	Tokyo, JapanHQ recorded Sep 28, 2026	10001+	38,436 contacts →
	Exact match “NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Leidos	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	10001+	27,416 contacts →
	Exact match “Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	General Dynamics Information Technology	Exact match	Falls Church, VA, United StatesHQ recorded Sep 28, 2026	10001+	23,974 contacts →
	Exact match “GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Sep 28, 2026	10001+	13,155 contacts →
	Exact match “At CDW, we know how to make technology work so people can do great things.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Guidehouse	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	10001+	12,815 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Peraton	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	10001+	10,793 contacts →
	Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Mantech	Exact match	Herndon, VA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	9,697 contacts →
	Exact match “MANTECH is more than a technology company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Accenture Federal Services	Exact match	Arlington, VA, United StatesHQ recorded Sep 28, 2026	10001+	9,125 contacts →
	Exact match “We power reinvention across the US federal government to help agencies deliver greater outcomes using proven commercial solutions, mission expertise, and new technologies – cloud…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	ELM Company	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 28, 2026	1,001-5,000	6,982 contacts →
	Exact match “Elm is the leading provider of innovative secure services & solutions to both public and private sectors in Saudi Arabia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	SHI International Corp	Exact match	Somerset, NJ, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,734 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Datacom	Exact match	Auckland, New ZealandHQ recorded Sep 28, 2026	5,001-10,000	5,958 contacts →
	Exact match “Customer focused values.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	SCC	Exact match	Birmingham, FranceHQ recorded Sep 28, 2026	5,001-10,000	5,460 contacts →
	Exact match “SCC unleashes the potential of IT for global businesses, as one of Europe’s largest independent IT groups.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Shared Services Canada Services Partagés Canada	Exact match	Ottawa, ON, CanadaHQ recorded Sep 28, 2026	5,001-10,000	4,650 contacts →
	Exact match “Shared Services Canada is modernizing how the Government of Canada manages its information technology (IT) infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Cegeka	Exact match	Hasselt, BelgiumHQ recorded Sep 28, 2026	5,001-10,000	4,551 contacts →
	Exact match “The digital world moves fast.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Asrc Federal	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	4,542 contacts →
	Exact match “ASRC Federal’s employees provide solutions for more than 30 U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	CMS IT Services	Exact match	Bengaluru, IndiaHQ recorded Sep 28, 2026	5,001-10,000	4,328 contacts →
	Exact match “CMS IT is a leading India-focused, tier-1 preferred IT provider with a legacy of four decades.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Aricent	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	10001+	4,302 contacts →
	Exact match “Aricent is now Altran, delivering industry innovations at future speed.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Carahsoft	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,945 contacts →
	Exact match “Carahsoft is The Trusted IT Solutions Provider®, supporting Federal, State, Local Government, Education, Healthcare and Private Sector industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Quest Software	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	3,206 contacts →
	Exact match “At Quest Software, we help organizations build modern, trusted foundations for AI.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	EJADA	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 28, 2026	1,001-5,000	3,050 contacts →
	Exact match “ejada is a leading technology solutions provider in the Middle East and North Africa (MENA) region, headquartered in Saudi Arabia since 2005.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Computer Futures	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	2,673 contacts →
	Exact match “Building tomorrow’s tech landscape together Computer Futures is a Technology specialist, part of SThree, the global STEM workforce consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	LMI	Exact match	Tysons, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,580 contacts →
	Exact match “LMI is a new breed of digital solutions provider, disrupting the traditional govcon model with commercial-grade technology that is ready day-one.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	NIL LTD	Exact match	Ljubljana, SloveniaHQ recorded Sep 28, 2026	n/a	2,523 contacts →
	Exact match “NIL is a globally recognized provider of advanced data center, network, cloud, cyber security solutions as well as services for business and industry environments, state…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Mitra Integrasi Informatika, PT	Exact match	Jakarta, IndonesiaHQ recorded Sep 28, 2026	1,001-5,000	2,517 contacts →
	Exact match “Mitra Integrasi Informatika (“MII”), established in 1996 as a subsidiary of the publicly listed PT Metrodata Electronics, Tbk.” Recorded in the RevenueBase company graph · Sep 28, 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 “federal IT 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 43,014 federal IT consulting services worldwide

See the full list, filter by size, metro and specialty, and access 274,787 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Federal IT consulting services worldwide at a glance

As of Sep 28, 2026

25.3%Verified-email coverage

25.2Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

22,025

11-50

14,299

51-200

4,707

201-500

1,134

501-1,000

378

1,001-5,000

255

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 federal IT consulting services are linked below.
What qualifies: Company records worldwide whose business descriptions match “federal IT 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. 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 274,787 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 28, 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.

Federal IT consulting services by location

243 lists · largest first

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

How many federal IT consulting services are there worldwide?

RevenueBase identified 43,014 company matches for federal IT consulting services worldwide 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?

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

Which country has the most federal IT consulting services?

The United States leads with 13,285 companies, followed by India (3,596) and the United Kingdom (1,744). Every federal IT consulting services list by country and city is linked on this page.

Which city has the most federal IT consulting services?

London leads with 572 company records, followed by Sao Paulo (388) and Dubai (381).

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 274,787 professional contacts with verified work emails tracked across these 43,014 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 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 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.