Company lists · Data refreshed September 2026

Top 25 Cloud contact center platforms worldwide

RevenueBase identified 3,000 cloud contact center platforms worldwide as of September 2026 and tracks 203,950 professional contacts across them, including 35,950 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers cloud contact center platforms 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 27, 2026. Country and city lists for cloud contact center platforms 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
3,000Companies
203,950Contacts tracked
35,950Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest cloud contact center platforms worldwide

Ranked by team size
Top 25 of 3,000 cloud contact center platforms worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to cloud contact center platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceDenver, United StatesHQ checked Sep 27, 202610001+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 27, 2026
2Strong evidenceBelmont, CA, United StatesHQ checked Sep 27, 20265,001-10,0006,431 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidenceBeyoglu, TürkiyeHQ checked Sep 27, 202610001+6,167 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
4Strong evidenceBloomington, IL, United StatesHQ checked Sep 27, 202610001+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 27, 2026
5Strong evidenceSan Diego, CA, United StatesHQ checked Sep 27, 20261,001-5,0004,561 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 27, 2026
6Strong evidenceDallas, TX, United StatesHQ checked Sep 27, 20265,001-10,0004,342 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 27, 2026
7Indirect evidenceMadrid, SpainHQ checked Sep 27, 202610001+3,716 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceHolmdel, NJ, United StatesHQ checked Sep 27, 20261,001-5,0003,429 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
9Strong evidencePoa, BrazilHQ checked Sep 27, 20265,001-10,0003,333 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 27, 2026
10Indirect evidenceTaytay, PhilippinesHQ checked Sep 27, 20265,001-10,0003,132 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 27, 2026
11Partial evidenceDallas, TX, United StatesHQ checked Sep 27, 20261,001-5,0003,122 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 27, 2026
12Strong evidencePasay City, PhilippinesHQ checked Sep 27, 20265,001-10,0003,061 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 27, 2026
13Indirect evidenceSan Ramon, CA, United StatesHQ checked Sep 27, 20261,001-5,0002,584 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceCampbell, CA, United StatesHQ checked Sep 27, 20261,001-5,0002,444 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261,001-5,0002,320 contacts →

Partial evidence

“As the leader in cloud communications and IT, GoTo addresses real-world challenges with practical innovations and a customer-first mindset.”

Source: RevenueBase Database · checked Sep 27, 2026
16Strong evidenceBuenos Aires, ArgentinaHQ checked Sep 27, 20261,001-5,0002,221 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 27, 2026
17Indirect evidenceGoiania, BrazilHQ checked Sep 27, 20265,001-10,0002,176 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 2026n/a2,026 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 27, 2026
19Indirect evidenceMakati City, PhilippinesHQ checked Sep 27, 202610001+1,990 contacts →

Indirect evidence

“Sitel Philippines (formerly SYKES).”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceMunich, GermanyHQ checked Sep 27, 20265,001-10,0001,812 contacts →

Indirect evidence

“Unify is now part of Mitel!”

Source: RevenueBase Database · checked Sep 27, 2026
21Strong evidenceAkron, OH, United StatesHQ checked Sep 27, 20261,001-5,0001,764 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceBhopal, IndiaHQ checked Sep 27, 20261,001-5,0001,762 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 27, 20265,001-10,0001,741 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceWaco, TX, United StatesHQ checked Sep 27, 20265,001-10,0001,710 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceMahwah, NJ, United StatesHQ checked Sep 27, 20261,001-5,0001,536 contacts →

Indirect evidence

“DialAmerica is now Aucera.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 3,000 cloud contact center platforms worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 35,950 reachable decision-makers.

Free signup · no credit card

View the full list →

Cloud contact center platforms worldwide at a glance

As of Sep 27, 2026
17.6%Verified-email coverage
68.0Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
648
11-50
1,110
51-200
685
201-500
248
501-1,000
113
1,001-5,000
141
5,001-10,000
28
10001+
23

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 cloud contact center platforms, 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 cloud contact center platforms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “cloud contact center platforms”. 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 cloud contact center platforms), 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 cloud contact center platforms, 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, 35,950 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 27, 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.

Cloud contact center platforms by location

17 lists · largest first

Every Cloud contact center platforms 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 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 cloud contact center platforms, 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 cloud contact center platforms are there worldwide?

RevenueBase identified 3,000 cloud contact center platforms 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?

Startek, headquartered in Mumbai, tops this list with the largest team on record.

Which country has the most cloud contact center platforms?

The United States leads with 682 companies, followed by India (223) and Brazil (164). Every cloud contact center platforms list by country and city is linked on this page.

Which city has the most cloud contact center platforms?

Sao Paulo leads with 56 headquartered companies, followed by London (42) and Atlanta (26).

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 35,950 verified decision-maker contacts tracked across these 3,000 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,000 cloud contact center platforms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.