Company lists · Data refreshed November 2026

Top 25 Customer contact center platforms worldwide

RevenueBase identified 6,845 company matches for customer contact center platforms worldwide as of November 2026 and tracks 590,757 professional contacts across them, including 135,224 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for customer contact center platforms 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 November 5, 2026. Country and city lists for customer contact center platforms 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 Nov 5, 2026 How this list was built
6,845Companies
590,757Contacts tracked
135,224Verified emails
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The 25 largest customer contact center platforms worldwide

Ranked by team size
Top 25 of 6,845 company matches for customer contact center platforms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchSan Francisco, United StatesHQ recorded Nov 5, 202610001+95,174 contacts →

Exact match

“We're the #1 AI CRM-where humans with agents drive customer success together with AI, data, and Customer 360 apps on one platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchMiami, United StatesHQ recorded Nov 5, 202610001+37,460 contacts →

Exact match

“Foundever™ is a global leader in the customer experience (CX) industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 5, 202610001+20,762 contacts →

Exact match

“iQor is a trusted partner in customer experience solutions for global brands and a portfolio company of Mill Point Capital.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchDenver, United StatesHQ recorded Nov 5, 202610001+16,728 contacts →

Exact match

“A global customer experience (CX) management solutions provider, Startek® delivers best-in-class omnichannel CX, digital transformation and enterprise tech services for leading…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchStockholm, SwedenHQ recorded Nov 5, 202610001+15,323 contacts →

Exact match

“Transcom provides digitally enhanced customer experience (CX) services to some of the world's most ambitious brands.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchNoida, IndiaHQ recorded Nov 5, 202610001+7,713 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBeyoglu, TürkiyeHQ recorded Nov 5, 202610001+6,889 contacts →

Exact match

“Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBelmont, United StatesHQ recorded Nov 5, 20265,001-10,0006,795 contacts →

Exact match

“RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBloomington, United StatesHQ recorded Nov 5, 202610001+6,716 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 · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, United StatesHQ recorded Nov 5, 20265,001-10,0006,595 contacts →

Exact match

“Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchNorcross, QC, United StatesHQ recorded Nov 5, 202610001+5,260 contacts →

Exact match

“At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSan Diego, United StatesHQ recorded Nov 5, 20261,001-5,0004,858 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 · Nov 5, 2026 · View company records in RevenueBase
13Exact matchDallas, TX, United StatesHQ recorded Nov 5, 20265,001-10,0004,798 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 · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202610001+4,363 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Nov 5, 202610001+4,355 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchTaboão Da Serra, BrazilHQ recorded Nov 5, 20265,001-10,0004,283 contacts →

Exact match

“Founded in 1993, since the beginning Sercom has stood out in the Contact Center Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchPasay City, PhilippinesHQ recorded Nov 5, 20265,001-10,0003,904 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 · Nov 5, 2026 · View company records in RevenueBase
18Exact matchPoa, BrazilHQ recorded Nov 5, 20265,001-10,0003,730 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 · Nov 5, 2026 · View company records in RevenueBase
19Exact matchTaytay, PhilippinesHQ recorded Nov 5, 20265,001-10,0003,611 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 · Nov 5, 2026 · View company records in RevenueBase
20Exact matchDallas, TX, United StatesHQ recorded Nov 5, 20261,001-5,0003,517 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 · Nov 5, 2026 · View company records in RevenueBase
21Exact matchAmman, JordanHQ recorded Nov 5, 20261,001-5,0003,426 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 · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202610001+3,349 contacts →

Exact match

“Com uma vontade contagiante de fazer a diferença, a Contax é a única empresa do setor presente em toda a jornada de relacionamento do consumidor, com olhar humano e abordagem…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchStockholm, SwedenHQ recorded Nov 5, 20261,001-5,0003,132 contacts →

Exact match

“Sinch’s vision is to connect every business with every customer, everywhere in the world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchBogotá D.c, ColombiaHQ recorded Nov 5, 20265,001-10,0002,895 contacts →

Exact match

“Más que un contact center y BPO, somos el partner que asegura que la experiencia de tus clientes sea increíble.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSan Ramon, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,840 contacts →

Exact match

“Five9 provides a comprehensive suite of CX solutions, powered by Five9 Genius AI, to elevate customer experiences that deliver better business outcomes in the era of The New CX.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 6,845 customer contact center platforms worldwide

See the full list, filter by size, metro and specialty, and access 135,224 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer contact center platforms worldwide at a glance

As of Nov 5, 2026
22.9%Verified-email coverage
86.3Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,847
11-50
2,352
51-200
1,485
201-500
522
501-1,000
253
1,001-5,000
267
5,001-10,000
49
10001+
49

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 customer contact center platforms are linked below.
What qualifies
Company records worldwide whose business descriptions match “customer contact center platforms” 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 135,224 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 November 5, 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.

Customer contact center platforms by location

57 lists · largest first

Every Customer contact center platforms 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 “customer contact center platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer contact center platforms are there worldwide?

RevenueBase identified 6,845 company matches for customer contact center platforms worldwide as of November 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?

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

Which country has the most customer contact center platforms?

The United States leads with 1,190 companies, followed by India (470) and Brazil (462). Every customer contact center platforms list by country and city is linked on this page.

Which city has the most customer contact center platforms?

Sao Paulo leads with 154 company records, followed by London (96) and Bangalore (62).

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 135,224 professional contacts with verified work emails tracked across these 6,845 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 November 5, 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.