Company lists · Data refreshed September 2026

Top 25 Multichannel support outsourcing companies worldwide

RevenueBase identified 1,937 company matches for multichannel support outsourcing companies worldwide as of September 2026 and tracks 124,436 professional contacts across them, including 10,336 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for multichannel support outsourcing companies 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 multichannel support outsourcing companies 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
1,937Companies
124,436Contacts tracked
10,336Verified emails
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The 25 largest multichannel support outsourcing companies worldwide

Ranked by team size
Top 25 of 1,937 company matches for multichannel support outsourcing companies 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 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
2Exact 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
3Exact matchMedellín, ColombiaHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
4Exact matchMumbai, IndiaHQ recorded Sep 29, 202610001+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 29, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Sep 29, 202610001+3,716 contacts →

Exact match

“is a tech company specialized in providing, and for.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact 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
7Exact 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
8Exact 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
9Exact matchGuatemala, United StatesHQ recorded Sep 29, 202610001+2,245 contacts →

Exact match

“OneLink is the premier partner in outsourced omnichannel customer experience services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchAkron, OH, United StatesHQ recorded Sep 29, 20261,001-5,0001,764 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBhopal, IndiaHQ recorded Sep 29, 20261,001-5,0001,762 contacts →

Exact match

“Transforming Customer Experiences Worldwide** At Technotask, we've embarked on a journey of exponential growth and innovation since our inception in March 2020.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchBoca Raton, FL, United StatesHQ recorded Sep 29, 20265,001-10,0001,741 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchAustin, TX, United StatesHQ recorded Sep 29, 20261,001-5,0001,711 contacts →

Exact match

“SupportNinja provides customer experience and back-office support services for tech companies and startups around the world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchWaco, TX, United StatesHQ recorded Sep 29, 20265,001-10,0001,710 contacts →

Exact match

“Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchMahwah, NJ, United StatesHQ recorded Sep 29, 20261,001-5,0001,536 contacts →

Exact match

“DialAmerica is now Aucera.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchEl Paso, TX, United StatesHQ recorded Sep 29, 20261,001-5,0001,418 contacts →

Exact match

“DATAMARK Inc, a provider of omni-channel contact centers and business process outsourcing (BPO) services since 1989, employs more than at our facilities in the United States…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchCuritiba, BrazilHQ recorded Sep 29, 20261,001-5,0001,312 contacts →

Exact match

“A dbm Contact Center foi fundada em 1996 e possui sede própria em Curitiba.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Sep 29, 2026n/a1,306 contacts →

Exact match

“At Unisono, for more than 20 years we have been working side by side with our customers across the globe to meet their demands as well as our own.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchCape Town, South AfricaHQ recorded Sep 29, 20261,001-5,0001,071 contacts →

Exact match

“We specialise in inbound multichannel customer support across multiple verticals from our quality, strategically located centres in Fiji, South Africa and Peru and via our work…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchLas Vegas, NV, United StatesHQ recorded Sep 29, 20261,001-5,0001,021 contacts →

Exact match

“Open Access is a leading outsourcing solutions provider with a history of delivering high-quality services to global businesses across industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchGennevilliers Cedex, FranceHQ recorded Sep 29, 202610001+978 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchBarra Mansa, BrazilHQ recorded Sep 29, 20261,001-5,000926 contacts →

Exact match

“A Youtility Center do Brasil faz parte do “Gruppo Distribuzione Spa”, com sede na Itália desde 1998.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchDoral, FL, United StatesHQ recorded Sep 29, 20261,001-5,000902 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261,001-5,000883 contacts →

Exact match

“XtendOps is an AI-powered BPO built for modern customer experience.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchNoida, IndiaHQ recorded Sep 29, 20261,001-5,000863 contacts →

Exact match

“inTarvo stands for our core ideology of Delivering Value (inT+arvo=Integration + Value).”

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

Showing 25 of 1,937 multichannel support outsourcing companies worldwide

See the full list, filter by size, metro and specialty, and access 10,336 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multichannel support outsourcing companies worldwide at a glance

As of Sep 29, 2026
8.3%Verified-email coverage
64.2Average contacts per company
51-200Median size (employees)
3.3%Largest-city concentration · Lahore
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
328
11-50
614
51-200
545
201-500
199
501-1,000
101
1,001-5,000
105
5,001-10,000
19
10001+
16

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 multichannel support outsourcing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “multichannel support outsourcing companies” 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 10,336 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.

Multichannel support outsourcing companies by location

12 lists · largest first

Every Multichannel support outsourcing companies 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 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 “multichannel support outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many multichannel support outsourcing companies are there worldwide?

RevenueBase identified 1,937 company matches for multichannel support outsourcing companies 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?

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

Which country has the most multichannel support outsourcing companies?

The United States leads with 273 companies, followed by India (174) and the Philippines (77). Every multichannel support outsourcing companies list by country and city is linked on this page.

Which city has the most multichannel support outsourcing companies?

Lahore leads with 64 company records, followed by London (28) and Noida (22).

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 10,336 professional contacts with verified work emails tracked across these 1,937 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.