Company lists · Data refreshed November 2026

Top 25 Cloud contact center software companies worldwide

RevenueBase identified 1,900 company matches for cloud contact center software companies worldwide as of November 2026 and tracks 68,967 professional contacts across them, including 22,203 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for cloud contact center software 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 November 5, 2026. Country and city lists for cloud contact center software 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 Nov 5, 2026 How this list was built
1,900Companies
68,967Contacts tracked
22,203Verified emails
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The 25 largest cloud contact center software companies worldwide

Ranked by team size
Top 25 of 1,900 company matches for cloud contact center software companies 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 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
2Exact 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
3Exact 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
4Exact 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
5Exact matchMunich, VA, GermanyHQ recorded Nov 5, 20265,001-10,0001,980 contacts →

Exact match

“Unify is now part of Mitel!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBoulder, CO, United StatesHQ recorded Nov 5, 20261,001-5,000924 contacts →

Exact match

“Decades of expertise distilled into innovative workforce tools.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBellevue, United StatesHQ recorded Nov 5, 2026501-1,000871 contacts →

Exact match

“The collaborative, AI-powered platform for customer conversations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Nov 5, 2026n/a703 contacts →

Exact match

“Call Center Studio is an AI-powered, cloud-based contact center software that redefines how businesses engage with their customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBreda, NetherlandsHQ recorded Nov 5, 20261,001-5,000700 contacts →

Exact match

“CM.com (AMS: CMCOM) is a leading European technology company that helps organizations worldwide improve customer interactions through integrated solutions for communications…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchHyderabad, IndiaHQ recorded Nov 5, 20261,001-5,000674 contacts →

Exact match

“Through Tanla Platforms Limited's cloud communications technology, over global enterprises deliver billions of critical customer interactions daily – from vital banking alerts to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchHyderabad, IndiaHQ recorded Nov 5, 2026201-500551 contacts →

Exact match

“Telecom Applications are one of the fastest-changing technologies of today.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026501-1,000516 contacts →

Exact match

“We build fully managed call centers: Software build outs Hiring Training Integrations”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSanta Ana, FL, United StatesHQ recorded Nov 5, 2026501-1,000467 contacts →

Exact match

“About : Ansafone is the leading outsourced contact center solution provider for companies in the US and Canada and maintains international alliances for global reach.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBracknell, United KingdomHQ recorded Nov 5, 2026501-1,000454 contacts →

Exact match

“Content Guru is a leading global cloud Customer Experience (CX) technology provider and the only ‘challenger’ named in the 2025 Gartner® CCaaS Magic Quadrant™’.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAustin, United StatesHQ recorded Nov 5, 2026201-500430 contacts →

Exact match

“Lifesize delivers immersive communication experiences for the global enterprise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBoulogne-billancourt, FranceHQ recorded Nov 5, 2026501-1,000427 contacts →

Exact match

“Omnichannel CCaaS Platform | Customer Experience, AI & Sovereign Cloud Are your customer service costs increasing?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,000423 contacts →

Exact match

“We've moved!”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLund, SwedenHQ recorded Nov 5, 2026201-500421 contacts →

Exact match

“Lime is the Customer Journey platform that helps companies make their customers fall in love with them.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchFort Lauderdale, United StatesHQ recorded Nov 5, 20261,001-5,000337 contacts →

Exact match

“OutPLEX is a leading international digital and voice customer contact management services organization developing solutions for the world's most trusted brands.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchRio De Janeiro, BrazilHQ recorded Nov 5, 2026201-500333 contacts →

Exact match

“Call / Contact Center Comunicações Unificadas & Colaboração Infraestrutura em TIC Painel Indicador de Performance - informações em tempo real 24x7 para sua gestão Call /Call /…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSanta Clara, CA, United StatesHQ recorded Nov 5, 2026501-1,000326 contacts →

Exact match

“KANA understands the value of great Customer Service experiences.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchКиїв, UkraineHQ recorded Nov 5, 2026501-1,000316 contacts →

Exact match

“Вже 14 років компанія обслуговує широкий спектр клієнтів, включно з малими та середніми бізнесами, а також великими компаніями, забезпечуючи їх усіма необхідними інструментами для…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 2026201-500308 contacts →

Exact match

“UJET is the Experience Center: a cloud-native platform that replaces the fragmented contact center stack.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSan Mateo, CA, United StatesHQ recorded Nov 5, 2026201-500300 contacts →

Exact match

“Netomi is the enterprise agentic CX platform built for the world's most complex environments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchNorthridge, CA, United StatesHQ recorded Nov 5, 202651-200288 contacts →

Exact match

“Broadvoice makes it easy for companies to connect with their customers.”

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

Showing 25 of 1,900 cloud contact center software companies worldwide

See the full list, filter by size, metro and specialty, and access 22,203 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cloud contact center software companies worldwide at a glance

As of Nov 5, 2026
32.2%Verified-email coverage
36.3Average 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
500
11-50
808
51-200
387
201-500
101
501-1,000
42
1,001-5,000
44
5,001-10,000
6
10001+
4

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 cloud contact center software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “cloud contact center software 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 22,203 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.

Cloud contact center software companies by location

18 lists · largest first

Every Cloud contact center software companies 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 “cloud contact center software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cloud contact center software companies are there worldwide?

RevenueBase identified 1,900 company matches for cloud contact center software companies 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?

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

Which country has the most cloud contact center software companies?

The United States leads with 439 companies, followed by India (171) and Brazil (126). Every cloud contact center software companies list by country and city is linked on this page.

Which city has the most cloud contact center software companies?

Sao Paulo leads with 50 company records, followed by London (31) and Noida (20).

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 22,203 professional contacts with verified work emails tracked across these 1,900 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.