Company lists · Data refreshed September 2026

Top 25 Outsourcing service providers worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 19,305 companies tracked

RevenueBase identified 19,305 company matches for outsourcing service providers worldwide as of September 2026 and tracks 1,224,389 professional contacts across them, including 125,022 with verified work emails. India is the largest market and Lahore the largest hub.

This list covers company matches for 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 September 21, 2026. Country and city lists for 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 Sep 21, 2026 How this list was built

19,305Companies

1,224,389Contacts tracked

125,022Verified emails

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The 25 largest outsourcing service providers worldwide

Ranked by team size

Top 25 of 19,305 company matches for outsourcing service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Atento	Exact match	Madrid, MexicoHQ recorded Sep 21, 2026	10001+	77,129 contacts →
	Exact match “We are one of the world's largest global providers of customer relationship management and business transformation outsourcing (CRM/BTO) services and industry leaders in Latin…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Infosys BPM	Exact match	Bengaluru, IndiaHQ recorded Sep 21, 2026	10001+	39,588 contacts →
	Exact match “Infosys BPM Ltd, the business process management subsidiary of Infosys Ltd.(NYSE: INFY), was set up in April 2002.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Hexaware Technologies	Exact match	Navi Mumbai, IndiaHQ recorded Sep 21, 2026	10001+	33,202 contacts →
	Exact match “At Hexaware, we're not just a global technology and business process services company; we're a community of 31,600+ Hexawarians dedicated to one singular purpose: creating smiles…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	TTEC	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	10001+	26,420 contacts →
	Exact match “We’re TTEC (pronounced t.tec).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	HGS	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	10001+	24,115 contacts →
	Exact match “HGS is a global provider of technology, AI, and business services, helping organizations transform with confidence.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Konecta	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	10001+	23,763 contacts →
	Exact match “Konecta is a leading innovative global service provider in customer management business process outsourcing, with passionate employees working in 40 languages across 4 continents…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Capita	Exact match	London, United KingdomHQ recorded Sep 21, 2026	10001+	20,824 contacts →
	Exact match “Capita is an outsourcer, helping clients across the public and private sectors run complex business processes more efficiently, creating better consumer experiences.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	AEC	Exact match	Belo Horizonte, BrazilHQ recorded Sep 21, 2026	10001+	20,095 contacts →
	Exact match “A AeC é apontada consistentemente como a líder brasileira na entrega de soluções de experiência do cliente e gestão de processos terceirizados.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Firstsource	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	10001+	17,257 contacts →
	Exact match “Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company, is a global intelligence partner to enterprises across healthcare, banking and financial services…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	IBEX	Exact match	Washington, DC, United StatesHQ recorded Sep 21, 2026	10001+	15,457 contacts →
	Exact match “ibex delivers innovative business process outsourcing (BPO), smart digital marketing, online acquisition technology, and end-to-end customer engagement solutions to help companies…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Ienergizer	Exact match	Noida, IndiaHQ recorded Sep 21, 2026	10001+	14,745 contacts →
	Exact match “iEnergizer is a leading Business Process Outsourcing provider (“BPO”) of customer management solutions dedicated to delivering performance while actively supporting and advocating…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	VXI Global Solutions	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 21, 2026	10001+	14,238 contacts →
	Exact match “About VXI Global Solutions VXI Global Solutions is a BPO leader in customer service, customer experience, and digital solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Intelcia	Exact match	Casablanca, MoroccoHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
14	Comdata Group	Exact match	Corsico, ItalyHQ recorded Sep 21, 2026	10001+	9,614 contacts →
	Exact match “We're KONECTA now!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	HTC Global Services	Exact match	Troy, MI, United StatesHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
16	Conneqt Business Solutions	Exact match	Bangalore, IndiaHQ recorded Sep 21, 2026	10001+	7,980 contacts →
	Exact match “Conneqt Business Solutions, now Digitide Solutions Ltd, was established in 2004.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Logica	Exact match	Montreal, QC, CanadaHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
18	CCI Global	Exact match	Durban, South AfricaHQ recorded Sep 21, 2026	10001+	6,349 contacts →
	Exact match “CCI Global is a distinguished leader in the Business Process Outsourcing (BPO) industry in Africa- Headquartered in the UAE, CCI is renowned for exceptional services across a…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	XCEED	Exact match	Cairo, EgyptHQ recorded Sep 21, 2026	10001+	6,302 contacts →
	Exact match “Xceed is the leading multilingual Business Process Outsourcing Service provider in EMEA region with a capacity of more than web enabled multi channels stations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Turkcell Global Bilgi	Exact match	Beyoglu, TürkiyeHQ recorded Sep 21, 2026	10001+	6,167 contacts →
	Exact match “Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Everise	Exact match	Plantation, FL, United StatesHQ recorded Sep 21, 2026	10001+	5,863 contacts →
	Exact match “Everise delivers happiness to millions of customers around the world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Aspire Systems	Exact match	Chennai, IndiaHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
23	CGS Computer Generated Solutions	Exact match	New York, NY, United StatesHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
24	Liderança Serviços	Exact match	São José, BrazilHQ recorded Sep 21, 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 · Sep 21, 2026 · View company records in RevenueBase
25	Startek India	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	10001+	4,389 contacts →
	Exact match “Startek is a leading global provider of technology-enabled business process outsourcing solutions.” Recorded in the RevenueBase company graph · Sep 21, 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 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 19,305 outsourcing service providers worldwide

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Outsourcing service providers worldwide at a glance

As of Sep 21, 2026

10.2%Verified-email coverage

63.4Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · Lahore

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

4,606

11-50

6,840

51-200

4,345

201-500

1,684

501-1,000

748

1,001-5,000

713

5,001-10,000

158

10001+

174

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 service providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “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 125,022 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 21, 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 service providers by location

96 lists · largest first

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

How many outsourcing service providers are there worldwide?

RevenueBase identified 19,305 company matches for outsourcing service providers 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?

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

Which country has the most outsourcing service providers?

India leads with 3,800 companies, followed by the United States (2,391) and the Philippines (1,118). Every outsourcing service providers list by country and city is linked on this page.

Which city has the most outsourcing service providers?

Lahore leads with 378 company records, followed by London (241) and Sao Paulo (238).

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 125,022 professional contacts with verified work emails tracked across these 19,305 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 21, 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.