Company lists · Data refreshed September 2026
Top 25 Multichannel contact centers worldwide
RevenueBase identified 4,252 multichannel contact centers worldwide as of September 2026 and tracks 343,813 professional contacts across them, including 32,783 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers multichannel contact centers 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 29, 2026. Country and city lists for multichannel contact centers 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.
The 25 largest multichannel contact centers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 30,990 contacts → | ||||
Indirect evidence “Foundever® is the next-generation service leader reinventing customer experience (CX).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 14,976 contacts → | ||||
Indirect evidence “A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 7,313 contacts → | ||||
Indirect evidence “We are an end-to-end Customer Experience (CX) solutions provider offering omni-channel solutions along various customer interaction touch-points from customer sales and support…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 6,167 contacts → | ||||
Indirect evidence “Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 5,553 contacts → | ||||
Strong 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 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 4,561 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 4,342 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 3,914 contacts → | ||||
Strong evidence “Vikstar is one of the biggest contact centers of Brazil.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 3,901 contacts → | ||||
Indirect evidence “We are The Customer Company®, a global leader in Customer Experience (CX), Omnichannel Marketing, Data Services, Customer Care, Fulfillment, and Logistics.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 3,785 contacts → | ||||
Strong evidence “Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 3,716 contacts → | ||||
Indirect evidence “is a tech company specialized in providing, and for.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3,333 contacts → | ||||
Strong evidence “A TMKT é uma empresa de Contact Center que foi fundada em 1991 e se tornou uma referência no mercado de Customer Experience (CX).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3,132 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3,122 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3,071 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3,061 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2,934 contacts → | ||||
Indirect evidence “Sinch’s vision is to connect every business with every customer, everywhere in the world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2,859 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2,774 contacts → | ||||
Partial 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 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2,358 contacts → | ||||
Strong evidence “Emergia is a multinational company specialized in the comprehensive customer relationship management in the field of Interactive Contact Center, the business process outsourcing…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2,342 contacts → | ||||
Strong evidence “Más que un contact center y BPO, somos el partner que asegura que la experiencia de tus clientes sea increíble.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2,245 contacts → | ||||
Indirect evidence “OneLink is the premier partner in outsourced omnichannel customer experience services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2,221 contacts → | ||||
Strong 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 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2,176 contacts → | ||||
Indirect evidence “Somos a Tahto, uma empresa referência em soluções de CX e BPO.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2,026 contacts → | ||||
Indirect evidence “Human-Led, Tech-Powered Customer Service For over 25 years, Liveops has redefined customer support by combining technology with real human connection.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: multichannel contact centers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names multichannel contact centers.
- Partial evidence
- Its own public description names part of multichannel contact centers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name multichannel contact centers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 4,252 multichannel contact centers worldwide
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Multichannel contact centers worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 multichannel contact centers, 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 multichannel contact centers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “multichannel contact centers”. 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 multichannel contact centers), 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 multichannel contact centers, 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, 32,783 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 29, 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.
Multichannel contact centers by location
22 lists · largest firstEvery Multichannel contact centers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Multichannel contact centers based in the United States650
- Multichannel contact centers based in India234
- Multichannel contact centers based in Brazil212
- Multichannel contact centers based in the United Kingdom153
- Multichannel contact centers based in the Philippines122
- Multichannel contact centers based in Germany114
- Multichannel contact centers based in Mexico108
- Multichannel contact centers based in Spain108
- Multichannel contact centers based in Canada104
- Multichannel contact centers based in Italy104
- Multichannel contact centers based in the Netherlands103
- Multichannel contact centers based in France93
- Multichannel contact centers based in Colombia68
- Multichannel contact centers based in Argentina66
- Multichannel contact centers based in South Africa66
- Multichannel contact centers based in Türkiye50
- Multichannel contact centers based in Egypt49
- Multichannel contact centers based in Poland40
- Multichannel contact centers based in Chile36
- Multichannel contact centers based in Australia35
Cities
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 multichannel contact centers, 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 multichannel contact centers are there worldwide?
RevenueBase identified 4,252 multichannel contact centers 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?
Foundever, headquartered in Miami, tops this list with the largest team on record.
Which country has the most multichannel contact centers?
The United States leads with 650 companies, followed by India (234) and Brazil (212). Every multichannel contact centers list by country and city is linked on this page.
Which city has the most multichannel contact centers?
Sao Paulo leads with 66 headquartered companies, followed by Lahore (40) and London (36).
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 32,783 verified decision-maker contacts tracked across these 4,252 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 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 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.