Company lists · Data refreshed September 2026

Top 25 Outsourcing customer services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 9,137 companies tracked

RevenueBase identified 9,137 company matches for outsourcing customer services worldwide as of September 2026 and tracks 532,537 professional contacts across them, including 50,997 with verified work emails. The United States is the largest market and Lahore the largest hub.

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

9,137Companies

532,537Contacts tracked

50,997Verified emails

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The 25 largest outsourcing customer services worldwide

Ranked by team size

Top 25 of 9,137 company matches for outsourcing customer services 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	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
2	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
3	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
4	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
5	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
6	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
7	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
8	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
9	Afni, INC	Exact match	Bloomington, IL, United StatesHQ recorded Sep 21, 2026	10001+	5,553 contacts →
	Exact match “When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Emtelco S.A	Exact match	Medellín, ColombiaHQ recorded Sep 21, 2026	10001+	4,998 contacts →
	Exact match “Maximizamos el valor de cada contacto de las empresas con sus clientes, gestionando los procesos de relacionamiento a través de canales tefónicos, virtuales y presenciales.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	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
12	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
13	Apex America	Exact match	Córdoba, ArgentinaHQ recorded Sep 21, 2026	10001+	4,377 contacts →
	Exact match “At Apex America, we are a Next Generation BPO and a global strategic partner specialized in elevating customer service standards.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Mindbridge	Exact match	Lahore, PakistanHQ recorded Sep 21, 2026	5,001-10,000	4,359 contacts →
	Exact match “Founded in 2004, Mindbridge (Private) Limited is Pakistan’s largest BPO company, operating with a capacity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Continuum Global Solutions	Exact match	Dallas, TX, United StatesHQ recorded Sep 21, 2026	5,001-10,000	4,342 contacts →
	Exact match “With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Ibex. Pakistan	Exact match	Karachi, PakistanHQ recorded Sep 21, 2026	10001+	4,161 contacts →
	Exact match “ibex.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Raya CX	Exact match	Giza, EgyptHQ recorded Sep 21, 2026	5,001-10,000	3,989 contacts →
	Exact match “RAYA Customer Experience provides next-generation BPO and customer experience management on behalf of clients across various industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Brasil Center Comunicações	Exact match	n/a	5,001-10,000	3,979 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Vikstar Contact Center	Exact match	Sao Paulo, BrazilHQ recorded Sep 21, 2026	10001+	3,914 contacts →
	Exact match “Vikstar is one of the biggest contact centers of Brazil.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Sercom	Exact match	Taboão Da Serra, BrazilHQ recorded Sep 21, 2026	5,001-10,000	3,785 contacts →
	Exact match “Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	GSS Global Sales Solutions	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	10001+	3,716 contacts →
	Exact match “is a tech company specialized in providing, and for.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Merchants	Exact match	Johannesburg, South AfricaHQ recorded Sep 21, 2026	5,001-10,000	3,654 contacts →
	Exact match “Merchants is a leading customer management partner specialising in business process outsourcing (BPO) that delivers customer experience and customer interactions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Iqor Philippines	Exact match	United StatesHQ recorded Sep 21, 2026	n/a	3,370 contacts →
	Exact match “We are a global BPO” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Teleperformance Global Services	Exact match	Kolkata, IndiaHQ recorded Sep 21, 2026	1,001-5,000	3,346 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Quantrics Enterprises INC	Exact match	Taytay, PhilippinesHQ recorded Sep 21, 2026	5,001-10,000	3,132 contacts →
	Exact match “In the Philippines, Quantrics by NQX is redefining customer experience by bringing together the expertise of a global leader and the passion of world-class Filipino talent.” 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 customer 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 9,137 outsourcing customer services worldwide

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Outsourcing customer services worldwide at a glance

As of Sep 21, 2026

9.6%Verified-email coverage

58.3Average contacts per company

11-50Median size (employees)

2.6%Largest-city concentration · Lahore

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

1,814

11-50

3,163

51-200

2,299

201-500

912

501-1,000

403

1,001-5,000

368

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 customer services are linked below.
What qualifies: Company records worldwide whose business descriptions match “outsourcing customer 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 50,997 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 customer services by location

45 lists · largest first

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

How many outsourcing customer services are there worldwide?

RevenueBase identified 9,137 company matches for outsourcing customer 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?

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

Which country has the most outsourcing customer services?

The United States leads with 1,388 companies, followed by India (1,069) and Pakistan (667). Every outsourcing customer services list by country and city is linked on this page.

Which city has the most outsourcing customer services?

Lahore leads with 233 company records, followed by Rawalpindi (120) and London (105).

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 50,997 professional contacts with verified work emails tracked across these 9,137 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.