Company lists · Data refreshed November 2026

Top 25 Contact center platform providers worldwide

RevenueBase identified 5,191 company matches for contact center platform providers worldwide as of November 2026 and tracks 306,520 professional contacts across them, including 54,492 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for contact center platform 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 November 5, 2026. Country and city lists for contact center platform 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 Nov 5, 2026 How this list was built
5,191Companies
306,520Contacts tracked
54,492Verified emails
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The 25 largest contact center platform providers worldwide

Ranked by team size
Top 25 of 5,191 company matches for contact center platform providers 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 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
2Exact 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
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact matchHolmdel, NJ, United StatesHQ recorded Nov 5, 20261,001-5,0003,696 contacts →

Exact match

“We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact 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
15Exact 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
16Exact matchMilan, ItalyHQ recorded Nov 5, 202610001+3,282 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact matchCampbell, United StatesHQ recorded Nov 5, 20261,001-5,0002,541 contacts →

Exact match

“8x8, Inc.(NASDAQ: EGHT) believes that CX limits were meant to be shattered.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBuenos Aires, FL, ArgentinaHQ recorded Nov 5, 20261,001-5,0002,460 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchGoiania, BrazilHQ recorded Nov 5, 20265,001-10,0002,389 contacts →

Exact match

“Somos a Tahto, uma empresa referência em soluções de CX e BPO.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchMakati City, PhilippinesHQ recorded Nov 5, 202610001+2,182 contacts →

Exact match

“Sitel Philippines (formerly SYKES).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 2026n/a2,072 contacts →

Exact match

“Human-Led, Tech-Powered Customer Service Liveops helps enterprise brands deliver flexible customer service that builds trust, strengthens loyalty, and adapts to changing demand.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchWaco, United StatesHQ recorded Nov 5, 20265,001-10,0002,055 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 · Nov 5, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,0002,052 contacts →

Exact match

“We believe customers and employees should be looked after, and every interaction is an opportunity for a conversation and to learn more about them.”

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

Showing 25 of 5,191 contact center platform providers worldwide

See the full list, filter by size, metro and specialty, and access 54,492 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contact center platform providers worldwide at a glance

As of Nov 5, 2026
17.8%Verified-email coverage
59.0Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,335
11-50
1,867
51-200
1,109
201-500
403
501-1,000
196
1,001-5,000
207
5,001-10,000
35
10001+
23

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 contact center platform providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “contact center platform 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 54,492 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.

Contact center platform providers by location

44 lists · largest first

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

How many contact center platform providers are there worldwide?

RevenueBase identified 5,191 company matches for contact center platform providers 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?

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

Which country has the most contact center platform providers?

The United States leads with 946 companies, followed by India (387) and Brazil (372). Every contact center platform providers list by country and city is linked on this page.

Which city has the most contact center platform providers?

Sao Paulo leads with 134 company records, followed by London (73) and Bangalore (43).

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 54,492 professional contacts with verified work emails tracked across these 5,191 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.