Company lists · Data refreshed November 2026

Top 25 Enterprise voip providers worldwide

RevenueBase identified 5,024 company matches for enterprise voip providers worldwide as of November 2026 and tracks 54,743 professional contacts across them, including 13,059 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for enterprise voip 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 enterprise voip 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
5,024Companies
54,743Contacts tracked
13,059Verified emails
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The 25 largest enterprise voip providers worldwide

Ranked by team size
Top 25 of 5,024 company matches for enterprise voip 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 matchBoston, MA, United StatesHQ recorded Nov 5, 20261,001-5,0002,412 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 · Nov 5, 2026 · View company records in RevenueBase
2Exact matchVancouver, WA, United StatesHQ recorded Nov 5, 2026501-1,0001,123 contacts →

Exact match

“Integra is Allstream.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchFareham, United KingdomHQ recorded Nov 5, 2026501-1,000715 contacts →

Exact match

“Onecom is the UK’s leading business telecoms and cloud communications provider managing over a million services for business customers - delivering communication services and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchSunnyvale, CA, United StatesHQ recorded Nov 5, 2026501-1,000651 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 · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMiguel Hidalgo, MexicoHQ recorded Nov 5, 2026501-1,000533 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchMarkham, ON, CanadaHQ recorded Nov 5, 2026201-500475 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchConcord, FL, United StatesHQ recorded Nov 5, 202651-200455 contacts →

Exact match

“NHC is THE communications STACK provider™.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchPlano, TX, United StatesHQ recorded Nov 5, 2026201-500436 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 · Nov 5, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500433 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 · Nov 5, 2026 · View company records in RevenueBase
10Exact matchParis, FranceHQ recorded Nov 5, 2026501-1,000418 contacts →

Exact match

“VoIP/ToIP services Operator and Integrator Telephony solutions for small and medium-sized enterprises.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchLake Mary, FL, United StatesHQ recorded Nov 5, 2026n/a373 contacts →

Exact match

“ACS has over three decades of experience and unparalleled expertise in the assessment and implementation of voice and data platforms and can provide solutions for telephone…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchTallinn, EstoniaHQ recorded Nov 5, 2026201-500346 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 · Nov 5, 2026 · View company records in RevenueBase
13Exact matchClichy, FranceHQ recorded Nov 5, 2026201-500327 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 · Nov 5, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchRochester, NY, United StatesHQ recorded Nov 5, 202651-200265 contacts →

Exact match

“ACC Business was founded on a simple idea: provide small to mid-sized businesses first-rate telecom services with dedicated customer service, all at a competitive price.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchGaithersburg, MD, United StatesHQ recorded Nov 5, 20261,001-5,000253 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 · Nov 5, 2026 · View company records in RevenueBase
17Exact matchSouth Plainfield, NJ, United StatesHQ recorded Nov 5, 2026201-500212 contacts →

Exact match

“Communication is the backbone of every business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchTroy, MI, United StatesHQ recorded Nov 5, 2026201-500199 contacts →

Exact match

“VoIP Office, founded in 2004, provides cloud-based communications and hosted PBX solutions that combine traditional PBX features with VoIP functionality.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchEdgewood, NY, United StatesHQ recorded Nov 5, 202651-200184 contacts →

Exact match

“Established in 1988, Forerunner Technologies, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchFairlawn, IL, United StatesHQ recorded Nov 5, 202651-200184 contacts →

Exact match

“FirstComm delivers smarter business communications and IT solutions that help organizations connect, collaborate, and scale with confidence.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSacramento, CA, United StatesHQ recorded Nov 5, 2026n/a175 contacts →

Exact match

“Fortis is a Sacramento Area provider of managed IT services, hosted VoIP, and high speed, redundant internet.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchChennai, IndiaHQ recorded Nov 5, 202651-200172 contacts →

Exact match

“Pulse Telesystems is a leading telecom solution provider in India, offering businesses personalized telecom solutions that meet their growing needs and beyond.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSunnyvale, CA, United StatesHQ recorded Nov 5, 202651-200170 contacts →

Exact match

“Zultys is a premier provider of omnichannel, Unified Communications, hosted business phone services and premise-based communications systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchNew Delhi -, IndiaHQ recorded Nov 5, 202651-200168 contacts →

Exact match

“World Phone Internet Services Private Limited has ushered in a new era in communications for India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchMiramar, FL, United StatesHQ recorded Nov 5, 202651-200165 contacts →

Exact match

“IPCOM Network provee Servicios Integrados Virtuales de Comunicación VoIP para reducir costos, aumentar la productividad y la inteligencia de negocios unificando soluciones de CRM…”

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

Showing 25 of 5,024 enterprise voip providers worldwide

See the full list, filter by size, metro and specialty, and access 13,059 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise voip providers worldwide at a glance

As of Nov 5, 2026
23.9%Verified-email coverage
10.9Average contacts per company
11-50Median size (employees)
2.4%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
2,363
11-50
2,037
51-200
445
201-500
75
501-1,000
30
1,001-5,000
12
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 enterprise voip providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “enterprise voip 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 13,059 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.

Enterprise voip providers by location

23 lists · largest first

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

How many enterprise voip providers are there worldwide?

RevenueBase identified 5,024 company matches for enterprise voip 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?

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

Which country has the most enterprise voip providers?

The United States leads with 1,628 companies, followed by the United Kingdom (559) and Canada (213). Every enterprise voip providers list by country and city is linked on this page.

Which city has the most enterprise voip providers?

London leads with 120 company records, followed by New York (64) and Sao Paulo (57).

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 13,059 professional contacts with verified work emails tracked across these 5,024 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.