Company lists · Data refreshed November 2026

Top 25 IT contractors worldwide

RevenueBase identified 44,068 company matches for IT contractors worldwide as of November 2026 and tracks 961,643 professional contacts across them, including 203,979 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT contractors 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 November 5, 2026. Country and city lists for IT contractors 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 Nov 5, 2026 How this list was built
44,068Companies
961,643Contacts tracked
203,979Verified emails
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The 25 largest IT contractors worldwide

Ranked by team size
Top 25 of 44,068 company matches for IT contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchTokyo, JapanHQ recorded Nov 5, 202610001+42,145 contacts →

Exact match

“NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchFalls Church, VA, United StatesHQ recorded Nov 5, 202610001+25,406 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchMonterrey, MexicoHQ recorded Nov 5, 202610001+14,096 contacts →

Exact match

“At Softtek, we drive the strategic development of our clients through software engineering.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchVernon Hills, IL, United StatesHQ recorded Nov 5, 202610001+13,669 contacts →

Exact match

“At CDW, we know how to make technology work so people can do great things.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMclean, IL, United StatesHQ recorded Nov 5, 202610001+13,603 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchHerndon, VA, United StatesHQ recorded Nov 5, 20265,001-10,00010,193 contacts →

Exact match

“About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchLahore, PakistanHQ recorded Nov 5, 20265,001-10,0008,539 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 · Nov 5, 2026 · View company records in RevenueBase
8Exact matchMilwaukee, United StatesHQ recorded Nov 5, 202610001+8,373 contacts →

Exact match

“Experis® is a global leader in technology services, helping organizations shorten the distance between innovation and business impact in a digital world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 5, 20261,001-5,0007,577 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 · Nov 5, 2026 · View company records in RevenueBase
10Exact matchTampa, FL, United StatesHQ recorded Nov 5, 20261,001-5,0006,741 contacts →

Exact match

“Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchAuckland, New ZealandHQ recorded Nov 5, 20265,001-10,0006,268 contacts →

Exact match

“Datacom is a technology partner and solutions provider combining deep local expertise with global capability, working across data, cloud, cyber security, digital engineering and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBirmingham, FranceHQ recorded Nov 5, 20265,001-10,0005,859 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 · Nov 5, 2026 · View company records in RevenueBase
13Exact matchKfar Saba, IsraelHQ recorded Nov 5, 202610001+5,827 contacts →

Exact match

“matrix is the leading technology services company, employing over professionals worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchHerndon, United StatesHQ recorded Nov 5, 20265,001-10,0005,326 contacts →

Exact match

“Established in LanceSoft is a pioneer in delivering top-notch Global Workforce Solutions and IT Services to a diverse clientele.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchParis, FranceHQ recorded Nov 5, 202610001+5,212 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 · Nov 5, 2026 · View company records in RevenueBase
16Exact matchMorristown, CA, United StatesHQ recorded Nov 5, 20265,001-10,0003,973 contacts →

Exact match

“Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchMississauga, ON, United KingdomHQ recorded Nov 5, 20265,001-10,0003,087 contacts →

Exact match

“Pyramid Consulting, a global leader in workforce and technology solutions, empowers individuals and organizations to transform and thrive in the most challenging and competitive…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMarlow, United KingdomHQ recorded Nov 5, 20261,001-5,0003,073 contacts →

Exact match

“Softcat is a leading provider of IT infrastructure to corporate and public sectors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMilan, ItalyHQ recorded Nov 5, 20261,001-5,0003,042 contacts →

Exact match

“Il Gruppo ALTEN, leader europeo nella consulenza per le tecnologie avanzate in campo ingegneristico e ICT, è quotato alla Borsa di Parigi e vanta più di 57.700 collaboratori in…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 2026501-1,0002,836 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 · Nov 5, 2026 · View company records in RevenueBase
21Exact matchJakarta, IndonesiaHQ recorded Nov 5, 20261,001-5,0002,734 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 · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBeverly, OH, United StatesHQ recorded Nov 5, 2026501-1,0002,734 contacts →

Exact match

“Oxford Global Resources is a global professional services and consulting partner trusted by leading industry organizations to solve complex challenges and deliver outcomes at…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBarueri, BrazilHQ recorded Nov 5, 20265,001-10,0002,702 contacts →

Exact match

“CTIS, a SONDA Group company, is recognized as one of the largest and most important Brazilian information technology companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,524 contacts →

Exact match

“Astreya is the leading IT solutions provider for some of the world's most recognizable and innovative organizations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchRaanana, IsraelHQ recorded Nov 5, 20265,001-10,0002,217 contacts →

Exact match

“NESS is one of Israel’s leading companies in the field of information systems, having reached this status thanks to our employees.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 44,068 IT contractors worldwide

See the full list, filter by size, metro and specialty, and access 203,979 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT contractors worldwide at a glance

As of Nov 5, 2026
21.2%Verified-email coverage
21.8Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
19,577
11-50
15,747
51-200
5,971
201-500
1,542
501-1,000
445
1,001-5,000
318
5,001-10,000
44
10001+
61

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 IT contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “IT contractors” 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 203,979 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 November 5, 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.

IT contractors by location

253 lists · largest first

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

How many IT contractors are there worldwide?

RevenueBase identified 44,068 company matches for IT contractors worldwide as of November 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?

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

Which country has the most IT contractors?

The United States leads with 9,663 companies, followed by India (4,723) and the United Kingdom (2,485). Every IT contractors list by country and city is linked on this page.

Which city has the most IT contractors?

London leads with 684 company records, followed by Hyderabad (607) and Sao Paulo (483).

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 203,979 professional contacts with verified work emails tracked across these 44,068 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 November 5, 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.