Company lists · Data refreshed September 2026

Top 25 Captive call center services worldwide

RevenueBase identified 2,244 captive call center services worldwide as of September 2026 and tracks 91,390 professional contacts across them, including 5,740 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers captive call center services worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026. Country and city lists for captive call center services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
2,244Companies
91,390Contacts tracked
5,740Verified emails
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The 25 largest captive call center services worldwide

Ranked by team size
Top 25 of 2,244 captive call center services worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to captive call center services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceBloomington, IL, United StatesHQ checked Sep 27, 202610001+5,553 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceDallas, TX, United StatesHQ checked Sep 27, 20261,001-5,0003,122 contacts →

Indirect evidence

“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.”

Source: RevenueBase Database · checked Sep 27, 2026
3Strong evidenceBerwyn, PA, United StatesHQ checked Sep 27, 20265,001-10,0002,774 contacts →

Strong evidence

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceBuenos Aires, ArgentinaHQ checked Sep 27, 20261,001-5,0002,221 contacts →

Partial evidence

“Somos la compañía líder en Servicios Next Gen de Contact Center, Business Process Outsourcing (BPO) y Customer Experience (CX).”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceAkron, OH, United StatesHQ checked Sep 27, 20261,001-5,0001,764 contacts →

Partial evidence

“InfoCision is an award-winning contact center partner trusted by leading brands for over 40 years.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 27, 20265,001-10,0001,741 contacts →

Indirect evidence

“Award-winning outsourcing partner with two decades of experience operating an exclusively nearshore strategy that delivers better performance, close to home, and at a lower cost.”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceVieux Fort, JamaicaHQ checked Sep 27, 20261,001-5,0001,354 contacts →

Indirect evidence

“itel is the Caribbean’s largest homegrown, award-winning customer experience (CX) partner, with operations across the Caribbean and Latin America.”

Source: RevenueBase Database · checked Sep 27, 2026
8Strong evidenceSt Petersburg, FL, RussiaHQ checked Sep 27, 20261,001-5,0001,198 contacts →

Strong evidence

“The Office Gurus (TOG) is a global call center and business process outsource provider of customer care, telemarketing, lead generation, appointment setting, order entry, accounts…”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceBogotá D.c., ColombiaHQ checked Sep 27, 20261,001-5,0001,116 contacts →

Partial evidence

“MISIÓN Somos una compañía de Contact Center y tercerización de procesos (Business Process Outsourcing BPO), rentable, con presencia nacional; que brinda soluciones ágiles y…”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceHyderabad, IndiaHQ checked Sep 27, 20261,001-5,0001,076 contacts →

Partial evidence

“Even the markets know that we’re the good call’!”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceGoiânia, BrazilHQ checked Sep 27, 202610001+1,058 contacts →

Indirect evidence

“Em breve uma nova página da BTCC Conexão Cliente.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceGennevilliers Cedex, FranceHQ checked Sep 27, 202610001+978 contacts →

Indirect evidence

“Expert de la relation client depuis 1996, b2s est le N°1 de l’externalisation de votre relation client en qualité délivrée.”

Source: RevenueBase Database · checked Sep 27, 2026
13Strong evidenceDoral, FL, United StatesHQ checked Sep 27, 20261,001-5,000902 contacts →

Strong evidence

“Our Company Inktel is a leading business process outsourcer that specializes in creating personalized call center solutions which enable our clients to increase market share…”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceHorsham, PA, United StatesHQ checked Sep 27, 2026501-1,000883 contacts →

Indirect evidence

“If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceCedar Falls, IA, United StatesHQ checked Sep 27, 20261,001-5,000877 contacts →

Indirect evidence

“CBE Companies is the parent organization of CBE Customer Solutions and CBE Group.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceRoy, UT, United StatesHQ checked Sep 27, 20261,001-5,000792 contacts →

Indirect evidence

“Focus was founded in 1995.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceFortaleza, BrazilHQ checked Sep 27, 20261,001-5,000701 contacts →

Partial evidence

“A VECTOR SERVIÇOS é uma empresa especializada na criação, implantação e gestão de serviços de Contact Center.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceDiegem, BelgiumHQ checked Sep 27, 20261,001-5,000682 contacts →

Indirect evidence

“WEngage creates the best and authentic customer experiences driven by skilled employees, cutting-edge technology and certified working procedures.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceProvidencia, ChileHQ checked Sep 27, 20261,001-5,000623 contacts →

Partial evidence

“Impulsamos el éxito de nuestros clientes a través de soluciones personalizadas en Contact Center y experiencia al cliente.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceSalisbury, NC, United StatesHQ checked Sep 27, 2026501-1,000542 contacts →

Indirect evidence

“We are customer service experts.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceRio De Janeiro, BrazilHQ checked Sep 27, 20261,001-5,000529 contacts →

Partial evidence

“A ATN Contact Center é especialista em Relacionamento com Clientes e BPO, com 29 anos de experiência transformando a forma como empresas se conectam com seus consumidores.”

Source: RevenueBase Database · checked Sep 27, 2026
22Strong evidenceAlabang, PhilippinesHQ checked Sep 27, 20261,001-5,000509 contacts →

Strong evidence

“ServiceFirst is a World Class Call Center and BPO with strategic locations around the globe providing an elevated Customer Experience to benefit your business with exceptional…”

Source: RevenueBase Database · checked Sep 27, 2026
23Strong evidenceCebu City, PhilippinesHQ checked Sep 27, 20261,001-5,000504 contacts →

Strong evidence

“AZPIRED is a world-class provider of call center outsourcing services, proudly operating multiple locations across the Philippines.”

Source: RevenueBase Database · checked Sep 27, 2026
24Strong evidenceKuala Lumpur, MalaysiaHQ checked Sep 27, 20261,001-5,000500 contacts →

Strong evidence

“Transcosmos Malaysia offer integrated call center services such as Call Center, Social Media Management, Voice Of Customer Analysis, Digital Marketing and eCommerce Solution that…”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceSão Paulo, BrazilHQ checked Sep 27, 2026201-500474 contacts →

Indirect evidence

“A HOME AGENT S.A.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 2,244 captive call center services worldwide

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Captive call center services worldwide at a glance

As of Sep 27, 2026
6.3%Verified-email coverage
40.7Average contacts per company
51-200Median size (employees)
1.8%Largest-city concentration · Lahore
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
311
11-50
724
51-200
683
201-500
250
501-1,000
143
1,001-5,000
103
5,001-10,000
15
10001+
11

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among captive call center services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for captive call center services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “captive call center services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names captive call center services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among captive call center services, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,740 across the full list. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Captive call center services by location

12 lists · largest first

Every Captive call center services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names captive call center services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many captive call center services are there worldwide?

RevenueBase identified 2,244 captive call center services worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Afni, INC, headquartered in Bloomington, tops this list with the largest team on record.

Which country has the most captive call center services?

The United States leads with 386 companies, followed by India (181) and the Philippines (84). Every captive call center services list by country and city is linked on this page.

Which city has the most captive call center services?

Lahore leads with 41 headquartered companies, followed by Rawalpindi (38) and Islamabad (25).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,740 verified decision-maker contacts tracked across these 2,244 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 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 Smart Search, 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.