Company lists · Data refreshed September 2026

Top 25 Outbound contact center providers worldwide

RevenueBase identified 10,506 company matches for outbound contact center providers worldwide as of September 2026 and tracks 497,825 professional contacts across them, including 40,020 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for outbound contact center 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 29, 2026. Country and city lists for outbound contact center 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 29, 2026 How this list was built
10,506Companies
497,825Contacts tracked
40,020Verified emails
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The 25 largest outbound contact center providers worldwide

Ranked by team size
Top 25 of 10,506 company matches for outbound contact center providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, SpainHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
2Exact matchNoida, IndiaHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
3Exact matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
4Exact matchCasablanca, MoroccoHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
5Exact matchBloomington, IL, United StatesHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Sep 29, 20261,001-5,0004,561 contacts →

Exact match

“CCSI specializes in high‑performance, cost‑efficient contact center solutions supported by a world‑class bilingual workforce and state‑of‑the‑art infrastructure in Mexico.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchCórdoba, ArgentinaHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
8Exact matchLahore, PakistanHQ recorded Sep 29, 20265,001-10,0004,359 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 29, 2026 · View company records in RevenueBase
9Exact matchDallas, TX, United StatesHQ recorded Sep 29, 20265,001-10,0004,342 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 29, 2026 · View company records in RevenueBase
10Exact matchKarachi, PakistanHQ recorded Sep 29, 202610001+4,161 contacts →

Exact match

“ibex.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchUberlândia, BrazilHQ recorded Sep 29, 20265,001-10,0004,126 contacts →

Exact match

“Mais que call center: soluções que transformam o seu negócio e a jornada dos clientes!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchGiza, EgyptHQ recorded Sep 29, 20265,001-10,0003,989 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 29, 2026 · View company records in RevenueBase
13Exact matchn/a5,001-10,0003,979 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Sep 29, 202610001+3,914 contacts →

Exact match

“Vikstar is one of the biggest contact centers of Brazil.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchTaboão Da Serra, BrazilHQ recorded Sep 29, 20265,001-10,0003,785 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 29, 2026 · View company records in RevenueBase
16Exact matchJohannesburg, South AfricaHQ recorded Sep 29, 20265,001-10,0003,654 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 29, 2026 · View company records in RevenueBase
17Exact matchPoa, BrazilHQ recorded Sep 29, 20265,001-10,0003,333 contacts →

Exact match

“A TMKT é uma empresa de Contact Center que foi fundada em 1991 e se tornou uma referência no mercado de Customer Experience (CX).”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchTaytay, PhilippinesHQ recorded Sep 29, 20265,001-10,0003,132 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 29, 2026 · View company records in RevenueBase
19Exact matchDallas, TX, United StatesHQ recorded Sep 29, 20261,001-5,0003,122 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchAmman, JordanHQ recorded Sep 29, 20261,001-5,0003,071 contacts →

Exact match

“Extensya is a company that primarily specializes in contact management solutions and business process outsourcing services, with a network of fully equipped contact centers in…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchPasay City, PhilippinesHQ recorded Sep 29, 20265,001-10,0003,061 contacts →

Exact match

“ePerformax is a high-performing contact center & BPO that provides world-class, omnichannel service and support to a select group of Fortune companies and their customers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchMontes Claros, BrazilHQ recorded Sep 29, 20261,001-5,0002,951 contacts →

Exact match

“A VGX, é uma empresa 100% brasileira, com 13 anos de atuação e mais de 5.100 colaboradores, consolidada como referência em soluções de Customer Experience,Cobrança, Atendimento…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchSão Paulo, BrazilHQ recorded Sep 29, 202610001+2,859 contacts →

Exact match

“Líder em Contact Center na América Latina e um dos maiores do mundo em BPO, especializado em soluções para gestão do relacionamento com o consumidor, o Grupo Contax atua de…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchBerwyn, PA, United StatesHQ recorded Sep 29, 20265,001-10,0002,774 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchEagan, MN, United StatesHQ recorded Sep 29, 202610001+2,772 contacts →

Exact match

“Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 10,506 outbound contact center providers worldwide

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Outbound contact center providers worldwide at a glance

As of Sep 29, 2026
8.0%Verified-email coverage
47.4Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Lahore
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
2,195
11-50
3,576
51-200
2,669
201-500
1,035
501-1,000
465
1,001-5,000
404
5,001-10,000
81
10001+
55

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 outbound contact center providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “outbound contact center 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 40,020 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 29, 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.

Outbound contact center providers by location

52 lists · largest first

Every Outbound contact center 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 “outbound contact center providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outbound contact center providers are there worldwide?

RevenueBase identified 10,506 company matches for outbound contact center 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?

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

Which country has the most outbound contact center providers?

The United States leads with 1,720 companies, followed by India (827) and Pakistan (651). Every outbound contact center providers list by country and city is linked on this page.

Which city has the most outbound contact center providers?

Lahore leads with 170 company records, followed by Rawalpindi (148) and Karachi (109).

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 40,020 professional contacts with verified work emails tracked across these 10,506 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 29, 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.