Company lists · Data refreshed September 2026

Top 25 Managed voip service providers worldwide

RevenueBase identified 3,066 company matches for managed voip service providers worldwide as of September 2026 and tracks 26,933 professional contacts across them, including 7,821 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for managed voip service 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 September 20, 2026. Country and city lists for managed voip service 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 Sep 20, 2026 How this list was built
3,066Companies
26,933Contacts tracked
7,821Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest managed voip service providers worldwide

Ranked by team size
Top 25 of 3,066 company matches for managed voip service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
2Exact matchMaxéville, FranceHQ recorded Sep 20, 2026501-1,000732 contacts →

Exact match

“Adista, Opérateur de Services Hébergés, s'est imposé en quelques années comme le spécialiste des services informatiques proposés aux PME et Collectivités sur les réseaux très haut…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchSunnyvale, CA, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
4Exact matchMiguel Hidalgo, MexicoHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
5Exact matchPlano, TX, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Sep 20, 2026501-1,000403 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchTallinn, EstoniaHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
8Exact matchClichy, FranceHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200170 contacts →

Exact match

“bOnline is UK’s leading provider of VoIP services for micro and small businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchSacramento, CA, United StatesHQ recorded Sep 20, 2026n/a170 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 · Sep 20, 2026 · View company records in RevenueBase
11Exact matchBangalore, United StatesHQ recorded Sep 20, 2026201-500167 contacts →

Exact match

“VoIP Office, founded in 2004, delivers cloud-based communications and hosted PBX solutions for businesses from home offices to enterprises, combining traditional PBX features with…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchBirmingham, AL, United StatesHQ recorded Sep 20, 202651-200154 contacts →

Exact match

“IT Voice specializes in Managed IT and VoIP solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchChennai, IndiaHQ recorded Sep 20, 202651-200131 contacts →

Exact match

“Unifiedvoice is a globally recognized VoIP service and solutions provider.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchSignal Hill, CA, United StatesHQ recorded Sep 20, 202611-50127 contacts →

Exact match

“Transcom Telecommunications (formerly called "Transcom Services") is a Veteran Owned Business founded in 1986 on 3 core ideas.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchPlano, TX, United StatesHQ recorded Sep 20, 202651-200121 contacts →

Exact match

“Founded in 1987, Estech Systems (ESI), a Crexendo® company, delivers high-performance phone systems designed for growing businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchWilmington, DE, United StatesHQ recorded Sep 20, 202611-50112 contacts →

Exact match

“KOL Telecom is the leading innovator of small business Voice over IP (VoIP) Phone services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchAmherst, NY, United StatesHQ recorded Sep 20, 202611-50110 contacts →

Exact match

“We Solve Problems and Create Solutions with VoIP.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchCerdanyola Del Vallés, SpainHQ recorded Sep 20, 202651-200105 contacts →

Exact match

“VozTelecom es la compañía especialista en comunicaciones cloud y líder en telefonía IP dentro del segmento de la pequeña y mediana empresa en España.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchSouthampton, United KingdomHQ recorded Sep 20, 202651-20097 contacts →

Exact match

“Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchGroningen, NetherlandsHQ recorded Sep 20, 202651-20096 contacts →

Exact match

“Voys levert zakelijke telefonie.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20093 contacts →

Exact match

“Wavecrest is a global managed voice and messaging services company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20090 contacts →

Exact match

“Made for businesses of all sizes, Bicom Systems revolutionizes communications by providing PBXware, the world's most unified turnkey open standards hosted telephony platform, plus…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchZamudio, SpainHQ recorded Sep 20, 202651-20090 contacts →

Exact match

“Sarenet es el proveedor de voz y datos con más experiencia de cuantos hoy operan en España.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchJohannesburg, South AfricaHQ recorded Sep 20, 202651-20088 contacts →

Exact match

“Euphoria Telecom is an innovative business telephone service that offers its customers unprecedented control and automated operational efficiencies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBath, United KingdomHQ recorded Sep 20, 202651-20085 contacts →

Exact match

“Gradwell Communications Ltd are a leading cloud communications solutions provider with a focus on small to medium-sized businesses (SMEs).”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 3,066 managed voip service providers worldwide

See the full list, filter by size, metro and specialty, and access 7,821 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Managed voip service providers worldwide at a glance

As of Sep 20, 2026
29.0%Verified-email coverage
8.8Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,551
11-50
1,203
51-200
238
201-500
40
501-1,000
12
1,001-5,000
7
5,001-10,000
2
10001+
1

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 managed voip service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “managed voip service 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 7,821 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 September 20, 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.

Managed voip service providers by location

13 lists · largest first

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

How many managed voip service providers are there worldwide?

RevenueBase identified 3,066 company matches for managed voip service providers worldwide as of September 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 managed voip service providers?

The United States leads with 1,141 companies, followed by the United Kingdom (326) and Canada (146). Every managed voip service providers list by country and city is linked on this page.

Which city has the most managed voip service providers?

London leads with 72 company records, followed by New York (43) and Dallas (24).

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 7,821 professional contacts with verified work emails tracked across these 3,066 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 September 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,066 managed voip service providers 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 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.