Company lists · Data refreshed September 2026

Top 25 IT support outsourcing services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 19,739 companies tracked

RevenueBase identified 19,739 company matches for IT support outsourcing services worldwide as of September 2026 and tracks 184,581 professional contacts across them, including 38,583 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT support outsourcing 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 IT support outsourcing 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

19,739Companies

184,581Contacts tracked

38,583Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest IT support outsourcing services worldwide

Ranked by team size

Top 25 of 19,739 company matches for IT support outsourcing 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	Pomeroy	Exact match	Hebron, KY, PalestineHQ recorded Sep 28, 2026	1,001-5,000	2,447 contacts →
	Exact match “Technology is mission-critical to your business so it must work, continuously.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Simpress	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	1,001-5,000	2,414 contacts →
	Exact match “Há mais de 20 anos, tornamos a vida do nosso cliente mais fácil, com soluções em outsourcing de equipamentos de TI que oferecem uma rotina mais estratégica e sustentável para as…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	CTIS	Exact match	Barueri, BrazilHQ recorded Sep 28, 2026	5,001-10,000	2,347 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 · Sep 28, 2026 · View company records in RevenueBase
4	Aforeserve.com LTD	Exact match	Noida, IndiaHQ recorded Sep 28, 2026	1,001-5,000	2,133 contacts →
	Exact match “Aforeserve delivers IT infrastructure services, field support, and managed operations for enterprises across India.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Suntec India	Exact match	New Delhi, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,606 contacts →
	Exact match “SunTec, a multi-process IT outsourcing company, offers a complete bouquet of services for mobile, web, data solutions, ePublishing, eCommerce and digital marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Solugenix	Exact match	Brea, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,063 contacts →
	Exact match “Technology only matters when it helps the business run better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	NSC Global	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,039 contacts →
	Exact match “Global business doesn’t have to be complicated.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	CCB Technology	Exact match	Racine, WI, United StatesHQ recorded Sep 28, 2026	n/a	1,018 contacts →
	Exact match “CCB Technology provides award-winning IT support and project services to customers nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Inelcom, Ingeniería Electrónica Comercial	Exact match	Pozuelo De Alarcón, SpainHQ recorded Sep 28, 2026	1,001-5,000	1,007 contacts →
	Exact match “Specialized services in order to provide to other companies outsourcing for activities, improving its performance and cost.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	IND Corporation	Exact match	Whippany, NJ, United StatesHQ recorded Sep 28, 2026	n/a	871 contacts →
	Exact match “IND specializes in fixed-cost IT support and consulting services for small and medium-sized businesses in New Jersey.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Horatio	Exact match	New York, United StatesHQ recorded Sep 28, 2026	1,001-5,000	860 contacts →
	Exact match “Horatio is a premier, tech-enabled outsourcing partner helping ambitious companies scale customer experience and complex business operations without compromising quality…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Buchanan Technologies	Exact match	Grapevine, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	818 contacts →
	Exact match “As a leading IT consulting and outsourcing services firm, Buchanan Technologies helps organizations across North America turn their business technology into a powerful competitive…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Sourcefit	Exact match	Quezon City, PhilippinesHQ recorded Sep 28, 2026	1,001-5,000	813 contacts →
	Exact match “Sourcefit is focused on providing custom offshore solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	People Prime Worldwide	Exact match	Hyderabad, IndiaHQ recorded Sep 28, 2026	501-1,000	806 contacts →
	Exact match “At People Prime Worldwide, we deliver innovative IT solutions that drive business success.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	TPX	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	751 contacts →
	Exact match “TPx is the reliable sidekick every growing business deserves, powering your tech while you take the lead.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Vertere Global Solutions, INC	Exact match	Makati, PhilippinesHQ recorded Sep 28, 2026	501-1,000	719 contacts →
	Exact match “We unite talent and opportunity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Primeit	Exact match	Lisbon, PortugalHQ recorded Sep 28, 2026	1,001-5,000	670 contacts →
	Exact match “PrimeIT is an international company with more than 19 years of experience delivering the best solutions in a wide range of services: Team Extension, Team-as-a-Service, Managed…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Not Available	Exact match	Na, United StatesHQ recorded Sep 28, 2026	n/a	658 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Teamlogic IT	Exact match	United StatesHQ recorded Sep 28, 2026	1,001-5,000	656 contacts →
	Exact match “TeamLogic IT provides IT service, support, project consultation and account management for businesses.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Decisionone	Exact match	Havertown, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	623 contacts →
	Exact match “DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	SES	Exact match	DenmarkHQ recorded Sep 28, 2026	n/a	618 contacts →
	Exact match “Spar op til 80 % på den daglige drift af jeres IT miljø Lej en ekstern IT konsulent til optimering af IT i din virksomhed IT konsulent på lejebasis.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Excis Compliance	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	616 contacts →
	Exact match “Excis is a trusted global IT services company, delivering agile, multilingual support across 150+ countries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Telenetwork	Exact match	San Marcos, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	562 contacts →
	Exact match “teleNetwork is a leading provider of outsourced customer service, technical support, and sales enablement solutions for technology products and services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Arklok Tecnologia	Exact match	Barueri, BrazilHQ recorded Sep 28, 2026	501-1,000	523 contacts →
	Exact match “Somos a Arklok, o OUTSOURCING de verdade.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	ESP Global Services	Exact match	Reading, United KingdomHQ recorded Sep 28, 2026	501-1,000	510 contacts →
	Exact match “ESP provides IT support services across the globe.” 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 “IT support outsourcing 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 19,739 IT support outsourcing services worldwide

See the full list, filter by size, metro and specialty, and access 38,583 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

IT support outsourcing services worldwide at a glance

As of Sep 28, 2026

20.9%Verified-email coverage

9.4Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

12,286

11-50

5,427

51-200

1,377

201-500

322

501-1,000

104

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 IT support outsourcing services are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT support outsourcing 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 38,583 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.

IT support outsourcing services by location

98 lists · largest first

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

How many IT support outsourcing services are there worldwide?

RevenueBase identified 19,739 company matches for IT support outsourcing 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?

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

Which country has the most IT support outsourcing services?

The United States leads with 4,646 companies, followed by the United Kingdom (1,959) and India (1,245). Every IT support outsourcing services list by country and city is linked on this page.

Which city has the most IT support outsourcing services?

London leads with 426 company records, followed by Sao Paulo (216) and New York (122).

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 38,583 professional contacts with verified work emails tracked across these 19,739 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.

Ready to reach these companies? Verified emails and direct dials for all 19,739 IT support outsourcing services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.