Company lists · Data refreshed November 2026

Top 24 Phone system implementation companies based in the United Kingdom

RevenueBase identified 265 company matches for phone system implementation companies associated with the United Kingdom as of November 2026 and tracks 2,208 professional contacts across them, including 790 with verified work emails. London is the largest hub.

This list covers company matches for phone system implementation companies 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
265Companies
2,208Contacts tracked
790Verified emails
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The 24 largest phone system implementation companies based in the United Kingdom

Ranked by team size
Top 24 of 265 company matches for phone system implementation companies 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 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
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 matchSunderland, United KingdomHQ recorded Nov 6, 2026n/a61 contacts →

Exact match

“Established in 1995, Cellular Solutions NE, now part of Communications Plus, is a trusted business telecoms provider supporting organisations across the North East and throughout…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
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, 202611-5032 contacts →

Exact match

“Emerald Cloud Phone System, offers both high-quality traditional telephone lines and cloud phone system packages.”

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 matchHuddersfield, United KingdomHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“At DVAD we’re a full service voice and data supplier providing flexible, world-class business telecoms systems and IT solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCirencester, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Mainstream Digital – Communications Solutions for Business Mainstream Digital is a Business Communications solutions provider with over 20 years of telecommunications experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBirmingham, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“After 20 years as DJM Telecom Ltd, we have grown - moved to a new Head Office in Berkshire, a new Director and three more engineers, as well as merging with Voice on Data, our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRedditch, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“We are a dedicated team of individuals with over 25 years' worth of experience providing and installing business telephony systems across the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchWigan, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Lansafe are a business communications specialists our services cover a wide range of areas including, services including, network installations, telecoms, broadband, WIFI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSouthampton, United KingdomHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“With over 30 years of experience in the telecoms industry we specialise in the installation of award-winning phone systems from some of the biggest names like Samsung, Siemens…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBridgend, United KingdomHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“We are a leading telecommunications business with offices based in Bridgend, Bristol and Aberystwyth - covering Wales and South West UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchExeter, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Providing a truly integrated solution to our customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWallington, United KingdomHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“We provide communications apps (directory, information, messaging), speech recognition auto attendants, integrated call handling solutions, operator consoles, contact centres…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIrvine, United KingdomHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“Oricom Limited specialise in the design, supply, installation and support of new and existing voice and data networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchShrewsbury, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Reach Digital Telecoms provide an efficient and seamless experience of switching to a tailor made phone system to enhance your business telephony and provision of services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchBolton, United KingdomHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“Bolton based telecommunications service provider, specialising in telephone systems and maintenance, calls and lines, connectivity and mobile solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAldermaston, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Helping you improve your communications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFareham, United KingdomHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“Practical telecoms and IT solutions that keep your business running smoothly.”

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

Showing 24 of 265 phone system implementation companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 790 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Phone system implementation companies based in the United Kingdom at a glance

As of Nov 6, 2026
35.8%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
12.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
147
11-50
98
51-200
9
201-500
2
501-1,000
2
1,001-5,000
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 265 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 “phone system implementation companies” 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 790 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.

Phone system implementation companies 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 “phone system implementation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many phone system implementation companies are there based in the United Kingdom?

RevenueBase identified 265 company matches for phone system implementation companies 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?

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

Which city has the most phone system implementation companies?

London leads with 33 company records, followed by Birmingham (5) and Bristol (5).

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 790 professional contacts with verified work emails tracked across these 265 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.