Company lists · Data refreshed September 2026

Top 25 Virtual phone system providers worldwide

RevenueBase identified 1,445 company matches for virtual phone system providers worldwide as of September 2026 and tracks 15,384 professional contacts across them, including 4,350 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for virtual phone system 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 22, 2026. Country and city lists for virtual phone system 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 22, 2026 How this list was built
1,445Companies
15,384Contacts tracked
4,350Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest virtual phone system providers worldwide

Ranked by team size
Top 25 of 1,445 company matches for virtual phone system providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 22, 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 22, 2026 · View company records in RevenueBase
2Exact matchSunnyvale, CA, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
3Exact matchMiguel Hidalgo, MexicoHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 22, 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 · Sep 22, 2026 · View company records in RevenueBase
5Exact matchClichy, FranceHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
6Exact matchLos Altos, CA, United StatesHQ recorded Sep 22, 202651-200293 contacts →

Exact match

“Founded by a team from Google, Apple, and Intuit, Smith.ai is known for superior call answering services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
8Exact matchBangalore, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
9Exact matchSunnyvale, CA, United StatesHQ recorded Sep 22, 202651-200159 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 · Sep 22, 2026 · View company records in RevenueBase
10Exact matchSingaporeHQ recorded Sep 22, 202651-200141 contacts →

Exact match

“Introducing KrispCall, a AI-Powered Communication Platform for growing businesses with virtual numbers across 100+ countries with AI-powered automated Dialing for Faster Outreach…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchPlano, TX, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
12Exact matchWilmington, DE, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
13Exact matchCerdanyola Del Vallés, SpainHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202651-200103 contacts →

Exact match

“OpenPhone (now Quo) is the collaborative phone system trusted by teams at over 90k businesses.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchWan Chai, Hong KongHQ recorded Sep 22, 202651-20096 contacts →

Exact match

“CommPeak makes cloud-based business communication easier and more affordable, empowering people with superior quality products.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchPlainsboro, NJ, United StatesHQ recorded Sep 22, 202651-20091 contacts →

Exact match

“Alliance Global is a cloud-based business phone system provider exclusively for organizations that require professional communication features.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchLas Vegas, NV, United StatesHQ recorded Sep 22, 202651-20090 contacts →

Exact match

“Abby Connect is your cutting-edge virtual receptionist service-bringing top-notch customer service experts and technology together to turn your phone into a customer-delighting…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchJohannesburg, South AfricaHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
19Exact matchRio De Janeiro, BrazilHQ recorded Sep 22, 202611-5074 contacts →

Exact match

“O Atende Simples é uma solução completa em atendimento telefônico, com número nacional ou 0800.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchSingaporeHQ recorded Sep 22, 202651-20068 contacts →

Exact match

“Calilio is a cloud-based business phone system built for modern sales, support, remote, and call center teams.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 22, 202651-20067 contacts →

Exact match

“Telappliant is an award-winning VoIP and cloud communications provider.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchKiev, UkraineHQ recorded Sep 22, 202611-5067 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchNorth Venice, FL, United StatesHQ recorded Sep 22, 202651-20063 contacts →

Exact match

“Lightspeed Voice is an AI-powered VoIP solutions provider at the forefront of transforming business communications.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchSouthfield, MI, United StatesHQ recorded Sep 22, 202651-20060 contacts →

Exact match

“It’s no secret that staying connected and accessible is absolutely crucial in today’s business environment.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchStockholm, SwedenHQ recorded Sep 22, 202611-5059 contacts →

Exact match

“Sonetel, a Swedish company listed at Nasdaq First North, empowers small businesses and entrepreneurs globally by providing communication solutions, including business phone…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 1,445 virtual phone system providers worldwide

See the full list, filter by size, metro and specialty, and access 4,350 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Virtual phone system providers worldwide at a glance

As of Sep 22, 2026
28.3%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
732
11-50
533
51-200
131
201-500
28
501-1,000
8
1,001-5,000
3
5,001-10,000
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 virtual phone system providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “virtual phone system 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 4,350 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 22, 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.

Virtual phone system providers by location

7 lists · largest first

Every Virtual phone system 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 “virtual phone system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many virtual phone system providers are there worldwide?

RevenueBase identified 1,445 company matches for virtual phone system 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 virtual phone system providers?

The United States leads with 515 companies, followed by the United Kingdom (125) and Canada (72). Every virtual phone system providers list by country and city is linked on this page.

Which city has the most virtual phone system providers?

London leads with 31 company records, followed by Sao Paulo (24) and New York (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 4,350 professional contacts with verified work emails tracked across these 1,445 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 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,445 virtual phone system 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.