Company lists · Data refreshed November 2026

Top 25 Voip integration service providers based in the United Kingdom

RevenueBase identified 134 company matches for voip integration service providers associated with the United Kingdom as of November 2026 and tracks 1,032 professional contacts across them, including 299 with verified work emails. London is the largest hub.

This list covers company matches for voip integration service providers associated with the United Kingdom, 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.

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
134Companies
1,032Contacts tracked
299Verified emails
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The 25 largest voip integration service providers based in the United Kingdom

Ranked by team size
Top 25 of 134 company matches for voip integration service providers based in the United Kingdom, 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 matchLondon, United KingdomHQ recorded Nov 6, 202651-200162 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20070 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchStonehouse, United KingdomHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“At Lister Unified Communications we understand that everyone’s business telephone requirements are different.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Xinix is UK’s leading cloud-based unified communication provider making persistent efforts towards modernizing business communications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHarrow, United KingdomHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“With a legacy rooted in two decades of telecom consulting and services expertise, PineVox emerges as a visionary leader in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1030 contacts →

Exact match

“For over two decades, we have been delivering proprietary, carrier-grade software that enables operators to launch, manage and scale secure, reliable VoIP services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBasildon, United KingdomHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Wavetel is one of the top VoIP Phone System and Telecom Services Providers in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchTheale, United KingdomHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Magrathea have been wholesale VoIP experts for over 25 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGlasgow, United KingdomHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Indigo Unified Communications makes IT easy for businesses across Scotland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Voipfone is an Internet Telephone Service provided by iNet Telecoms Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLeicester, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“CLOUD TELEPHONE SYSTEM The VoIP Shop is a leading provider of business VoIP phone systems, offering reliable and affordable solutions for small and medium-sized enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRomsey, United KingdomHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“ElemenTel are a leading provider of next generation voice over internet (VoIP) telephony solutions to businesses of all types and sizes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBolton, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“At ClearTech Communications, we specialise in providing market-leading hardware, advanced systems, and intuitive software to build a robust and resilient communication…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHove, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Unparalleled communication and connectivity solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchEpsom, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Jelly Communications is a UK independent connectivity solutions provider, based in the South of England.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrentwood, United KingdomHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Let’s face it – dealing with IT, VoIP and internet services can feel like a headache.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWidnes, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Taking your business to the next level with IT support, VoIP telecoms and managed network infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Winning and keeping customers is a challenge for every business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSheffield, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“At Blue Portal, we take the hassle out of business telecoms by offering everything you need under one roof.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBromley, United KingdomHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Established in and based in Greater London, Pond Group delivers solutions to clients, which are designed to be cost effective and make running their business easier.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchIver, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Talking Business (Southern) Ltd (est 1992) is one of the UK’s foremost communications companies, providing what is now known as converged technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLeeds, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“3TL are a dynamic and pro-active IT Solutions provider, specialising in Voice-over-IP (VoIP), managed Cloud hosting and IT support, offering the complete solution in terms of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“At ZiAAS, we're passionate about harnessing the power of technology to transform businesses and streamline operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBirkenhead, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Offering communications solutions to local and national businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBorehamwood, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Real Telekom is an international telecommunications service provider founded in 2003 offering wide range of wholesales carrier and retail reseller telephony services using…”

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

Showing 25 of 134 voip integration service providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 299 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voip integration service providers based in the United Kingdom at a glance

As of Nov 6, 2026
29.0%Verified-email coverage
7.7Average contacts per company
11-50Median size (employees)
26.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
64
11-50
60
51-200
4
201-500
1
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 134 companies.

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.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “voip integration 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 299 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.

Voip integration service providers by metro

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

How many voip integration service providers are there based in the United Kingdom?

RevenueBase identified 134 company matches for voip integration service providers associated with the United Kingdom 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?

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

Which city has the most voip integration service providers?

London leads with 36 company records, followed by Glasgow (3) and Manchester (3).

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 299 professional contacts with verified work emails tracked across these 134 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.