Company lists · Data refreshed November 2026

Top 25 Outsourcing IT services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 77,874 companies tracked

RevenueBase identified 77,874 company matches for outsourcing IT services worldwide as of November 2026 and tracks 1,312,135 professional contacts across them, including 337,458 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for outsourcing IT 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 November 6, 2026. Country and city lists for outsourcing IT 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 Nov 6, 2026 How this list was built

77,874Companies

1,312,135Contacts tracked

337,458Verified emails

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The 25 largest outsourcing IT services worldwide

Ranked by team size

Top 25 of 77,874 company matches for outsourcing IT services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 2026	10001+	86,844 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 · Nov 6, 2026 · View company records in RevenueBase
2	Kyndryl	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	47,955 contacts →
	Exact match “We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	NTT Data	Exact match	Tokyo, JapanHQ recorded Nov 6, 2026	10001+	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 6, 2026 · View company records in RevenueBase
4	CDW	Exact match	Vernon Hills, IL, United StatesHQ recorded Nov 6, 2026	10001+	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 6, 2026 · View company records in RevenueBase
5	Apex Systems	Exact match	Glen Allen, United StatesHQ recorded Nov 6, 2026	1,001-5,000	12,788 contacts →
	Exact match “Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Compucom	Exact match	Fort Mill, WA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	8,318 contacts →
	Exact match “Unleash Your Digital Workplace Potential with Compucom To be at the forefront of your industry, having the right technology is non-negotiable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	ELM Company	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	7,577 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 6, 2026 · View company records in RevenueBase
8	SHI International Corp	Exact match	Somerset, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,151 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Datacom	Exact match	Auckland, New ZealandHQ recorded Nov 6, 2026	5,001-10,000	6,268 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 6, 2026 · View company records in RevenueBase
10	SCC	Exact match	Birmingham, FranceHQ recorded Nov 6, 2026	5,001-10,000	5,859 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 6, 2026 · View company records in RevenueBase
11	Adesso SE	Exact match	Dortmund, GermanyHQ recorded Nov 6, 2026	5,001-10,000	5,232 contacts →
	Exact match “The future belongs to companies that effectively translate agentic AI into value creation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	NTT	Exact match	Chiyoda-ku, JapanHQ recorded Nov 6, 2026	10001+	4,872 contacts →
	Exact match “NTT is a leading global technology innovator, providing a broad range of services to both consumers and businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	CMS IT Services	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	5,001-10,000	4,449 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 · Nov 6, 2026 · View company records in RevenueBase
14	Presidio	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,274 contacts →
	Exact match “At Presidio, speed and quality meet technology and innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Getronics	Exact match	Amsterdam-duivendrecht, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	3,998 contacts →
	Exact match “Running technology across multiple vendors and regions creates redundancy, cost, risk and slower innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Atos IT Solutions And Services A S	Exact match	Taastrup, DenmarkHQ recorded Nov 6, 2026	n/a	3,713 contacts →
	Exact match “Atos er en international IT-serviceleverandør med en årlig omsætning i 2012 på 8.8 milliarder EUR og 76.400 medarbejdere i 47 lande.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Altron Digital Business	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	2,955 contacts →
	Exact match “Operate, optimise, and transform with the IT services company that offers the enterprise-grade solutions needed to grow your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Mitra Integrasi Informatika, PT	Exact match	Jakarta, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	2,734 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 6, 2026 · View company records in RevenueBase
19	CTIS	Exact match	Barueri, BrazilHQ recorded Nov 6, 2026	5,001-10,000	2,702 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 6, 2026 · View company records in RevenueBase
20	Pomeroy	Exact match	Hebron, KY, PalestineHQ recorded Nov 6, 2026	1,001-5,000	2,671 contacts →
	Exact match “Technology is mission-critical to your business so it must work, continuously.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	NIL LTD	Exact match	Ljubljana, SloveniaHQ recorded Nov 6, 2026	n/a	2,639 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 · Nov 6, 2026 · View company records in RevenueBase
22	IT Group, INC	Exact match	Quezon City, PhilippinesHQ recorded Nov 6, 2026	n/a	2,554 contacts →
	Exact match “IT Group, Inc.(also known as ITG), is an Information Technology solutions partner that endeavors to provide growing organizations with solutions that meet the unique needs of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Astreya	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,524 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 6, 2026 · View company records in RevenueBase
24	CBTS	Exact match	Cincinnati, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,324 contacts →
	Exact match “CBTS serves enterprise and midmarket clients in all industries across North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	PT Danamas Insan Kreasi Andalan Dika	Exact match	Jakarta Pusat, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	2,272 contacts →
	Exact match “PT Danamas Insan Kreasi Andalan (DIKA) adalah solusi outsourcing terpercaya untuk membantu bisnis Anda tumbuh lebih cepat dan efisien.” Recorded in the RevenueBase company graph · Nov 6, 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 “outsourcing IT 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 77,874 outsourcing IT services worldwide

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Outsourcing IT services worldwide at a glance

As of Nov 6, 2026

25.7%Verified-email coverage

16.8Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

42,205

11-50

25,184

51-200

7,034

201-500

1,651

501-1,000

535

1,001-5,000

380

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 outsourcing IT services are linked below.
What qualifies: Company records worldwide whose business descriptions match “outsourcing IT 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 337,458 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 6, 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.

Outsourcing IT services by location

430 lists · largest first

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

How many outsourcing IT services are there worldwide?

RevenueBase identified 77,874 company matches for outsourcing IT services 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?

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

Which country has the most outsourcing IT services?

The United States leads with 20,075 companies, followed by India (7,413) and the United Kingdom (4,760). Every outsourcing IT services list by country and city is linked on this page.

Which city has the most outsourcing IT services?

London leads with 1152 company records, followed by Sao Paulo (840) and Bangalore (655).

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 337,458 professional contacts with verified work emails tracked across these 77,874 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 6, 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.