Company lists · Data refreshed October 2026

Top 25 Cloud pbx platforms software companies worldwide

RevenueBase identified 2,884 company matches for cloud pbx platforms software companies worldwide as of October 2026 and tracks 55,107 professional contacts across them, including 18,173 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cloud pbx platforms 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 October 1, 2026. Country and city lists for cloud pbx platforms 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 Oct 1, 2026 How this list was built
2,884Companies
55,107Contacts tracked
18,173Verified emails
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The 25 largest cloud pbx platforms software companies worldwide

Ranked by team size
Top 25 of 2,884 company matches for cloud pbx platforms software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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, CA, United StatesHQ recorded Oct 1, 20265,001-10,0006,431 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 · Oct 1, 2026 · View company records in RevenueBase
2Exact matchHolmdel, NJ, United StatesHQ recorded Oct 1, 20261,001-5,0003,429 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 · Oct 1, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Oct 1, 20261,001-5,0002,320 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchSunnyvale, CA, United StatesHQ recorded Oct 1, 20261,001-5,0001,254 contacts →

Exact match

“Intermedia is the cloud communications company that helps over businesses connect better, from wherever, through our AI-powered platform that includes voice, video conferencing…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Oct 1, 2026501-1,000611 contacts →

Exact match

“Route Mobile began as an idea in 2004, founded by our Managing Director, Mr Rajdip Gupta – to bring about digital disruption in communication with simplified solutions that…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchSunnyvale, CA, United StatesHQ recorded Oct 1, 2026501-1,000606 contacts →

Exact match

“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchHyderabad, IndiaHQ recorded Oct 1, 2026201-500527 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchMiguel Hidalgo, MexicoHQ recorded Oct 1, 2026501-1,000507 contacts →

Exact match

“Somos C3NTRO, una empresa mexicana de clase mundial con 15 años de experiencia en Telecomunicaciones.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchMarkham, ON, CanadaHQ recorded Oct 1, 2026201-500454 contacts →

Exact match

“Sangoma Technologies Corporation (TSX: STC; Nasdaq: SANG) is a global leader in essential business communications.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchGurgaon, IndiaHQ recorded Oct 1, 2026501-1,000440 contacts →

Exact match

“Founded in 2010, Real Time Data Services (RTDS) is a group of companies excelling in global information technology, specializing in Cloud Computing and Cloud Telephony.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchPlano, TX, United StatesHQ recorded Oct 1, 2026201-500435 contacts →

Exact match

“Family owned and proudly based in Plano, Texas, SpectrumVoIP has kept businesses talking and thriving since 2007.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 1, 20261,001-5,000433 contacts →

Exact match

“We've moved!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchAustin, TX, United StatesHQ recorded Oct 1, 2026201-500401 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Oct 1, 2026201-500398 contacts →

Exact match

“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchMalmö, SwedenHQ recorded Oct 1, 2026201-500364 contacts →

Exact match

“We are a mobile operator only for businesses, specializing in simplifying and innovating telephony.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchSingaporeHQ recorded Oct 1, 2026201-500344 contacts →

Exact match

“Founded in 2003, today REVE Systems is a global software solutions provider leading in Class 4 & Class 5 Softswitch, Voice, Video & Messaging App, SMS Platform, Cloud Contact…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchTallinn, EstoniaHQ recorded Oct 1, 2026201-500334 contacts →

Exact match

“The First Sales-Oriented Unified Communications Solution, now powered by AI Wildix develops secure, AI-powered business communication solutions designed to support revenue growth…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchClichy, FranceHQ recorded Oct 1, 2026201-500319 contacts →

Exact match

“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchHerndon, VA, United StatesHQ recorded Oct 1, 202651-200285 contacts →

Exact match

“Ultatel delivers a powerful yet easy-to-use cloud communications suite that scales with your business-combining voice, SMS, chat, video, online fax, and contact center…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchRio De Janeiro, BrazilHQ recorded Oct 1, 2026201-500283 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 · Oct 1, 2026 · View company records in RevenueBase
21Exact matchGaithersburg, MD, United StatesHQ recorded Oct 1, 20261,001-5,000252 contacts →

Exact match

“BroadSoft, now part of Cisco, is the leading provider of software and services that enable mobile, fixed-line and cable service providers to offer Unified Communications over…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchSt. George, UT, United StatesHQ recorded Oct 1, 2026201-500246 contacts →

Exact match

“A leader in the hosted contact center technology industry since TCN, Inc.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchParsippany, NJ, United StatesHQ recorded Oct 1, 2026201-500241 contacts →

Exact match

“A leading cloud-optimized solutions provider for real-time communications media, applications, and infrastructure.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchJaipur, IndiaHQ recorded Oct 1, 202651-200236 contacts →

Exact match

“Sarv.com: Revolutionising Customer Experience We believe communication is the backbone of every successful business.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchSão Paulo, BrazilHQ recorded Oct 1, 2026201-500235 contacts →

Exact match

“A Telium, criada em 2004 para atender exclusivamente o mercado B2B, atende os segmentos de Telecom e IDC com infraestrutura de padrão internacional, totalmente adequada e…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 2,884 cloud pbx platforms software companies worldwide

See the full list, filter by size, metro and specialty, and access 18,173 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cloud pbx platforms software companies worldwide at a glance

As of Oct 1, 2026
33.0%Verified-email coverage
19.1Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · London
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
1,196
11-50
1,167
51-200
357
201-500
99
501-1,000
27
1,001-5,000
18
5,001-10,000
4
10001+
6

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 pbx platforms software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “cloud pbx platforms 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 18,173 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 October 1, 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 pbx platforms software companies by location

16 lists · largest first

Every Cloud pbx platforms 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 pbx platforms software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cloud pbx platforms software companies are there worldwide?

RevenueBase identified 2,884 company matches for cloud pbx platforms software companies worldwide as of October 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 pbx platforms software companies?

The United States leads with 864 companies, followed by the United Kingdom (235) and Brazil (177). Every cloud pbx platforms software companies list by country and city is linked on this page.

Which city has the most cloud pbx platforms software companies?

London leads with 64 company records, followed by Sao Paulo (57) and New York (26).

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 18,173 professional contacts with verified work emails tracked across these 2,884 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 October 1, 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.