Company lists · Data refreshed October 2026

Top 25 IT outsourcing service providers worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 33,624 companies tracked

RevenueBase identified 33,624 company matches for IT outsourcing service providers worldwide as of October 2026 and tracks 767,012 professional contacts across them, including 107,956 with verified work emails. India is the largest market and Hyderabad the largest hub.

This list covers company matches for IT outsourcing service providers 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 October 1, 2026. Country and city lists for IT outsourcing service providers 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 Oct 1, 2026 How this list was built

33,624Companies

767,012Contacts tracked

107,956Verified emails

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

The 25 largest IT outsourcing service providers worldwide

Ranked by team size

Top 25 of 33,624 company matches for IT outsourcing service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Intelcia	Exact match	Casablanca, MoroccoHQ recorded Oct 1, 2026	10001+	13,214 contacts →
	Exact match “Intelcia is a global player in outsourcing, which has supported its clients for 20 years combining talents, technologies, and processes to offer a tailor-made service and skills…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	HTC Global Services	Exact match	Troy, MI, United StatesHQ recorded Oct 1, 2026	10001+	8,866 contacts →
	Exact match “HTC Global Services Inc, founded in 1990, headquartered in Troy, Michigan, is a global provider of Information Technology and Business Process Services and Solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Cybage Software	Exact match	Pune, IndiaHQ recorded Oct 1, 2026	5,001-10,000	8,806 contacts →
	Exact match “Cybage is an information technology company specializing in outsourced product engineering and IT consulting services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Conneqt Business Solutions	Exact match	Bangalore, IndiaHQ recorded Oct 1, 2026	10001+	7,980 contacts →
	Exact match “Conneqt Business Solutions, now Digitide Solutions Ltd, was established in 2004.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Systems Limited	Exact match	Lahore, PakistanHQ recorded Oct 1, 2026	5,001-10,000	7,672 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 · Oct 1, 2026 · View company records in RevenueBase
6	Logica	Exact match	Montreal, QC, CanadaHQ recorded Oct 1, 2026	10001+	7,416 contacts →
	Exact match “Logica is now part of CGI, a global IT and business process services provider delivering business consulting, systems integration and outsourcing services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Atos Syntel	Exact match	Troy, MI, United StatesHQ recorded Oct 1, 2026	10001+	7,339 contacts →
	Exact match “Atos\|Syntel is a leading global provider of integrated information technology and knowledge process services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	IGATE	Exact match	United StatesHQ recorded Oct 1, 2026	10001+	5,474 contacts →
	Exact match “IGATE (a part of Capgemini Group) with people in over 40 countries, is one of the world's foremost providers of consulting, technology and outsourcing services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Adesso SE	Exact match	Dortmund, GermanyHQ recorded Oct 1, 2026	5,001-10,000	5,332 contacts →
	Exact match “The future belongs to companies that effectively translate agentic AI into value creation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Matrix	Exact match	Kfar Saba, IsraelHQ recorded Oct 1, 2026	10001+	4,980 contacts →
	Exact match “matrix is the leading technology services company, employing over professionals worldwide.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Aspire Systems	Exact match	Chennai, IndiaHQ recorded Oct 1, 2026	1,001-5,000	4,953 contacts →
	Exact match “Aspire Systems is a global technology services firm serving as a trusted technology partner for our customers.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	CGS Computer Generated Solutions	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	5,001-10,000	4,608 contacts →
	Exact match “For over 40 years, CGS has enabled global enterprises, regional companies, and government agencies to drive breakthrough performance through business applications, enterprise…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Liderança Serviços	Exact match	São José, BrazilHQ recorded Oct 1, 2026	10001+	4,504 contacts →
	Exact match “Atuamos nos principais setores de terceirização, e somos pioneiros na implantação de contratos à distância.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Emapta Global	Exact match	Mandaluyong, PhilippinesHQ recorded Oct 1, 2026	10001+	4,337 contacts →
	Exact match “ANewEraOfGlobalTalent: Your Team.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Arcgate	Exact match	Udaipur, IndiaHQ recorded Oct 1, 2026	1,001-5,000	4,122 contacts →
	Exact match “We are a fast-growing BPO & IT outsourcing firm with a team of 2500+ people passionate about data and technology.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Neosoft	Exact match	Mumbai, IndiaHQ recorded Oct 1, 2026	1,001-5,000	4,072 contacts →
	Exact match “NeoSOFT is a digital accelerator to Startups, SMEs, MSMEs, and large enterprises with a significant contribution across 22+ industries including BFSI, Healthcare, Ecommerce &…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Atos IT Solutions And Services A S	Exact match	Taastrup, DenmarkHQ recorded Oct 1, 2026	n/a	3,655 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 · Oct 1, 2026 · View company records in RevenueBase
18	Microsourcing	Exact match	Taguig, PhilippinesHQ recorded Oct 1, 2026	5,001-10,000	3,508 contacts →
	Exact match “Outsourcing, reimagined - through talent that moves business forward.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Altron Digital Business	Exact match	Johannesburg, South AfricaHQ recorded Oct 1, 2026	1,001-5,000	2,877 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 · Oct 1, 2026 · View company records in RevenueBase
20	Wissen Infotech	Exact match	Hyderabad, IndiaHQ recorded Oct 1, 2026	1,001-5,000	2,482 contacts →
	Exact match “Wissen was established in the year We have global offices in the US, UK, Europe, Mexico, Middle East, and India, with best-in-class infrastructure and development facilities…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Simpress	Exact match	Sao Paulo, BrazilHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
22	CTIS	Exact match	Barueri, BrazilHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
23	IT Group, INC	Exact match	Quezon City, PhilippinesHQ recorded Oct 1, 2026	n/a	2,238 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 · Oct 1, 2026 · View company records in RevenueBase
24	Abacus	Exact match	Lahore, PakistanHQ recorded Oct 1, 2026	1,001-5,000	2,231 contacts →
	Exact match “For almost 35 years, Abacus has been offering cutting-edge business solutions helping organisations to transform their visions into realities through a combination of latest…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Astreya	Exact match	San Jose, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,215 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 · Oct 1, 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 outsourcing service providers”. 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 33,624 IT outsourcing service providers worldwide

See the full list, filter by size, metro and specialty, and access 107,956 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

IT outsourcing service providers worldwide at a glance

As of Oct 1, 2026

14.1%Verified-email coverage

22.8Average contacts per company

11-50Median size (employees)

2.2%Largest-city concentration · Hyderabad

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

12,594

11-50

12,923

51-200

5,490

201-500

1,497

501-1,000

529

1,001-5,000

376

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 outsourcing service providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT outsourcing service providers” 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 107,956 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 October 1, 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 outsourcing service providers by location

185 lists · largest first

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

How many IT outsourcing service providers are there worldwide?

RevenueBase identified 33,624 company matches for IT outsourcing service providers worldwide as of October 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?

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

Which country has the most IT outsourcing service providers?

India leads with 7,702 companies, followed by the United States (5,278) and Brazil (1,244). Every IT outsourcing service providers list by country and city is linked on this page.

Which city has the most IT outsourcing service providers?

Hyderabad leads with 729 company records, followed by Bangalore (681) and Pune (513).

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 107,956 professional contacts with verified work emails tracked across these 33,624 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 October 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 33,624 IT outsourcing service providers 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.