Company lists · Data refreshed November 2026

Top 25 Managed telephony services worldwide

RevenueBase identified 2,304 company matches for managed telephony services worldwide as of November 2026 and tracks 19,109 professional contacts across them, including 4,696 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for managed telephony services 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 6, 2026. Country and city lists for managed telephony services 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 6, 2026 How this list was built
2,304Companies
19,109Contacts tracked
4,696Verified emails
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The 25 largest managed telephony services worldwide

Ranked by team size
Top 25 of 2,304 company matches for managed telephony services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchClichy, FranceHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-200218 contacts →

Exact match

“For over thirty years, Fortune 500 companies in financial services, retail and hospitality, software, and wireless communications industries have relied on Vail Systems’…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPortsmouth, United KingdomHQ recorded Nov 6, 2026201-500211 contacts →

Exact match

“Aerial Direct are an award-winning, UK-based, managed communications expert.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPlano, TX, United StatesHQ recorded Nov 6, 202651-200176 contacts →

Exact match

“Edge is an innovative provider of communications, data, systems security and business technology services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSaint-Denis, FranceHQ recorded Nov 6, 2026201-500173 contacts →

Exact match

“SCT TELECOM est le fournisseur de référence des entreprises en matière de services de télécommunications intégrés.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202651-200143 contacts →

Exact match

“Unimax believes that administering PBX and voice messaging systems can be far less complex and costly, while delivering better service levels.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMexicoHQ recorded Nov 6, 2026201-500139 contacts →

Exact match

“Más de 35 años de experiencia integrando servicios de telecomunicaciones, enfocándonos en proveer soluciones de Comunicaciones Unificadas, Wireless, Seguridad Informática y…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDublin, IrelandHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“DIDWW is a fully licensed telecom operator specializing in two-way Voice and Messaging services in 90+ geographies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchVénissieux, FranceHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“Depuis 15 ans, Qyyp (anciennement Groupe Thym Business) accompagne au quotidien les entreprises – TPE, PME, ETI et Grand Groupes – et les collectivités avec des solutions IT &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSouthampton, United KingdomHQ recorded Nov 6, 202651-200112 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United StatesHQ recorded Nov 6, 202651-200106 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWaltham, MA, United StatesHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“DSCI, a TelePacific company is now TPx Communications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“PEERLESS FOR ENTERPRISE: SIP Trunking: • Fast, flexible, reliable, secure, cost-effective • Fully automated SIP Channeling and Telephone Number ordering • Real-time activation of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGroningen, NetherlandsHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“Voys levert zakelijke telefonie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20092 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKyiv, UkraineHQ recorded Nov 6, 202611-5084 contacts →

Exact match

“UniTalk - єдине рішення для керування спілкуванням з клієнтами.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChattanooga, TN, United StatesHQ recorded Nov 6, 202611-5081 contacts →

Exact match

“For over 30 years, CRI has installed, maintained and serviced business communications systems throughout the Southeastern U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCamberley, United KingdomHQ recorded Nov 6, 202611-5081 contacts →

Exact match

“Contact an expert now: 0800 9 77 88 99 Specialists in providing businesses with telecoms, data and energy since 1989.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRamat Gan, IsraelHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“OMNITelecom is a global telecommunications provider dedicated to delivering the most advanced services and solutions for enabling organizations to serve the dynamic needs of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5078 contacts →

Exact match

“At ATSI, we believe technology should empower people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchVilla Allende, ArgentinaHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“IP-tel es una empresa dedicada a las telecomunicaciones.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGråsten, DenmarkHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“ipnordic supplies small and large companies from all industries with fixnet, HCS, PBX, mobile and internet solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5071 contacts →

Exact match

“Na Agil Telecom, trabalhamos para simplificar a comunicação das empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMadrid, SpainHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Premium Numbers, operador de telecomunicaciones inscrito en la CMT y con numeración propia, fue fundada en el año 2.001, siendo una de las empresas del sector de la telefonía de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchStaten Island, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Headquartered in New York City, InterGlobe Communications is a one stop network service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,304 managed telephony services worldwide

See the full list, filter by size, metro and specialty, and access 4,696 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed telephony services worldwide at a glance

As of Nov 6, 2026
24.6%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,187
11-50
905
51-200
150
201-500
27
501-1,000
4
1,001-5,000
3
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 telephony services are linked below.
What qualifies
Company records worldwide whose business descriptions match “managed telephony services” 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 4,696 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 6, 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 telephony services by location

12 lists · largest first

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

How many managed telephony services are there worldwide?

RevenueBase identified 2,304 company matches for managed telephony services 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?

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

Which country has the most managed telephony services?

The United States leads with 633 companies, followed by the United Kingdom (308) and Brazil (144). Every managed telephony services list by country and city is linked on this page.

Which city has the most managed telephony services?

London leads with 39 company records, followed by Sao Paulo (35) and Houston (15).

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 4,696 professional contacts with verified work emails tracked across these 2,304 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 6, 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.