Company lists · Data refreshed September 2026

Top 25 Public sector IT consulting firms worldwide

RevenueBase identified 35,751 company matches for public sector IT consulting firms worldwide as of September 2026 and tracks 1,185,730 professional contacts across them, including 302,356 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for public sector IT 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 September 29, 2026. Country and city lists for public sector IT 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 Sep 29, 2026 How this list was built
35,751Companies
1,185,730Contacts tracked
302,356Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest public sector IT consulting firms worldwide

Ranked by team size
Top 25 of 35,751 company matches for public sector IT consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchAshburn, VA, United StatesHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
2Exact matchTokyo, JapanHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
3Exact matchVancouver, BC, CanadaHQ recorded Sep 29, 202610001+38,300 contacts →

Exact match

“TELUS Digital crafts unique and enduring experiences for customers and employees, and creates future-focused digital transformations that stand the test of time.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Sep 29, 202610001+36,960 contacts →

Exact match

“Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchReston, VA, United StatesHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
6Exact matchFalls Church, VA, United StatesHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
7Exact matchAlcobendas, SpainHQ recorded Sep 29, 202610001+15,041 contacts →

Exact match

“We are one of the world's leading consultancies in technological services for companies and the public sector.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchMclean, VA, United StatesHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
9Exact matchMandaluyong, PhilippinesHQ recorded Sep 29, 202610001+11,174 contacts →

Exact match

“Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchFrankfurt Am Main, GermanyHQ recorded Sep 29, 202610001+10,154 contacts →

Exact match

“Your digitalization partner with industry expertise With locations in more than 26 countries and over employees (2024), T-Systems is one of the leading providers of digital…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchHerndon, VA, United StatesHQ recorded Sep 29, 20265,001-10,0009,697 contacts →

Exact match

“MANTECH is more than a technology company.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 29, 202610001+9,653 contacts →

Exact match

“For over two decades, we have been harnessing technology to drive meaningful change.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchArlington, VA, United StatesHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
14Exact matchLahore, PakistanHQ recorded Sep 29, 20265,001-10,0007,672 contacts →

Exact match

“Systems Limited is a globally recognized IT software solution company offering state-of-the-art professional services and BPO offerings in the technology landscape.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 29, 20261,001-5,0006,982 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 29, 2026 · View company records in RevenueBase
16Exact matchBarcelona, SpainHQ recorded Sep 29, 20265,001-10,0006,133 contacts →

Exact match

“At SEIDOR we help drive the transformation and competitiveness of our clients through technology and innovation, always focusing on the human value and prioritizing talents and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchAuckland, New ZealandHQ recorded Sep 29, 20265,001-10,0005,958 contacts →

Exact match

“Customer focused values.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchSpainHQ recorded Sep 29, 20265,001-10,0005,714 contacts →

Exact match

“Tragsatec, founded in 1989, is one of the enterprises that form Tragsa Group, a holding of public companies member of the State Industrial Ownership Corporation (SEPI).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchRio De Janeiro, BrazilHQ recorded Sep 29, 20265,001-10,0005,546 contacts →

Exact match

“Somos uma empresa do Grupo América Móvil com mais de 30 anos de experiência na indústria de Tecnologia da Informação e Transformação Digital, contamos com mais de especialistas em…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchWarszawa, PolandHQ recorded Sep 29, 20265,001-10,0005,519 contacts →

Exact match

“With over 7 500 Power People, Sii is Poland’s #1 partner for technology consulting, AI-driven digital transformation, engineering, and business services, empowering companies to…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchBirmingham, FranceHQ recorded Sep 29, 20265,001-10,0005,460 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 29, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Sep 29, 202610001+4,928 contacts →

Exact match

“Le groupe SII est une société d’ingénierie et de conseil en technologies (ICT) et une entreprise de services numériques (ESN) créée en 1979 par Bernard HUVÉ, ingénieur de…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchHasselt, BelgiumHQ recorded Sep 29, 20265,001-10,0004,551 contacts →

Exact match

“The digital world moves fast.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchReston, VA, United StatesHQ recorded Sep 29, 20265,001-10,0004,542 contacts →

Exact match

“ASRC Federal’s employees provide solutions for more than 30 U.S.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchMadrid, SpainHQ recorded Sep 29, 20261,001-5,0004,468 contacts →

Exact match

“Management Solutions is a leading provider of business consulting services for regulated industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 35,751 public sector IT consulting firms worldwide

See the full list, filter by size, metro and specialty, and access 302,356 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Public sector IT consulting firms worldwide at a glance

As of Sep 29, 2026
25.5%Verified-email coverage
33.2Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
17,720
11-50
11,527
51-200
4,350
201-500
1,174
501-1,000
387
1,001-5,000
370
5,001-10,000
57
10001+
97

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 public sector IT consulting firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “public sector IT 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 302,356 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 29, 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.

Public sector IT consulting firms by location

213 lists · largest first

Every Public sector IT 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 “public sector IT consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many public sector IT consulting firms are there worldwide?

RevenueBase identified 35,751 company matches for public sector IT consulting firms 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 public sector IT consulting firms?

The United States leads with 7,634 companies, followed by India (3,312) and France (1,675). Every public sector IT consulting firms list by country and city is linked on this page.

Which city has the most public sector IT consulting firms?

London leads with 543 company records, followed by Paris (516) and Sao Paulo (328).

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 302,356 professional contacts with verified work emails tracked across these 35,751 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 35,751 public sector IT consulting firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.