Company lists · Data refreshed October 2026

Top 25 Enterprise communication platform providers worldwide

RevenueBase identified 1,390 company matches for enterprise communication platform providers worldwide as of October 2026 and tracks 68,060 professional contacts across them, including 18,654 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for enterprise communication 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 October 1, 2026. Country and city lists for enterprise communication 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 Oct 1, 2026 How this list was built
1,390Companies
68,060Contacts tracked
18,654Verified emails
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The 25 largest enterprise communication platform providers worldwide

Ranked by team size
Top 25 of 1,390 company matches for enterprise communication platform providers 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 matchMorristown, NJ, United StatesHQ recorded Oct 1, 20265,001-10,00010,510 contacts →

Exact match

“At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchSan Jose, CA, United StatesHQ recorded Oct 1, 20265,001-10,0009,706 contacts →

Exact match

“Bring teams together, reimagine workspaces, engage new audiences, and delight your customers –– all on the Zoom AI-first work platform you know and love.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact matchSan Francisco, CA, United StatesHQ recorded Oct 1, 20261,001-5,0002,619 contacts →

Exact match

“Slack is on a mission to make people's working lives simpler, more pleasant and more productive.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchMunich, GermanyHQ recorded Oct 1, 20265,001-10,0001,812 contacts →

Exact match

“Unify is now part of Mitel!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchSan Jose, CA, United StatesHQ recorded Oct 1, 20261,001-5,0001,787 contacts →

Exact match

“Plantronics and Polycom are now Poly.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchNew Delhi, IndiaHQ recorded Oct 1, 20261,001-5,0001,481 contacts →

Exact match

“Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchXiamen, ChinaHQ recorded Oct 1, 20261,001-5,000773 contacts →

Exact match

“Yealink (Stock Code: 300628) is a global brand that specializes in video conferencing, voice communications and collaboration solutions with best-in-class quality, innovative…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchPleasant Grove, UT, United StatesHQ recorded Oct 1, 2026501-1,000606 contacts →

Exact match

“Empowering service provider growth with the world’s most trusted Intelligent Communications Fabric.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact matchRedmond, WA, United StatesHQ recorded Oct 1, 202610001+423 contacts →

Exact match

“The next generation of Skype from Microsoft gives you better ways to chat, call, and plan fun things to do with the people in your life every day.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact 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
18Exact 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
19Exact 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
20Exact matchMunich, GermanyHQ recorded Oct 1, 2026201-500331 contacts →

Exact match

“Welcome to NFON’s Corporate Channel.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchMoscow, RussiaHQ recorded Oct 1, 2026501-1,000326 contacts →

Exact match

“MyOffice offers secure office solutions for communications and teamwork.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchBreukelen, United StatesHQ recorded Oct 1, 20265,001-10,000316 contacts →

Exact match

“GPA features the best-of-breed Regional Business Units (RBUs) in 50 countries, with localized delivery capabilities in over 150+ cities globally.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchSan Jose, CA, United StatesHQ recorded Oct 1, 2026501-1,000264 contacts →

Exact match

“Please be advised that BlueJeans by Verizon is being sunset, concluding in the first half of 2024.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 1,390 enterprise communication platform providers worldwide

See the full list, filter by size, metro and specialty, and access 18,654 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise communication platform providers worldwide at a glance

As of Oct 1, 2026
27.4%Verified-email coverage
49.0Average contacts per company
11-50Median size (employees)
3.5%Largest-city concentration · London
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
476
11-50
552
51-200
199
201-500
81
501-1,000
30
1,001-5,000
27
5,001-10,000
9
10001+
12

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 enterprise communication platform providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “enterprise communication 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 18,654 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.

Enterprise communication platform providers by location

9 lists · largest first

Every Enterprise communication 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 “enterprise communication platform providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise communication platform providers are there worldwide?

RevenueBase identified 1,390 company matches for enterprise communication platform providers 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?

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

Which country has the most enterprise communication platform providers?

The United States leads with 314 companies, followed by India (121) and the United Kingdom (80). Every enterprise communication platform providers list by country and city is linked on this page.

Which city has the most enterprise communication platform providers?

London leads with 49 company records, followed by Bangalore (25) and San Francisco (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 18,654 professional contacts with verified work emails tracked across these 1,390 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.