Company lists · Data refreshed November 2026

Top 25 Digital communication system suppliers based in the United Kingdom

RevenueBase identified 551 company matches for digital communication system suppliers associated with the United Kingdom as of November 2026 and tracks 14,014 professional contacts across them, including 4,563 with verified work emails. London is the largest hub.

This list covers company matches for digital communication system suppliers 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 5, 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 5, 2026 How this list was built
551Companies
14,014Contacts tracked
4,563Verified emails
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The 25 largest digital communication system suppliers based in the United Kingdom

Ranked by team size
Top 25 of 551 company matches for digital communication system suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 5, 202610001+6,808 contacts →

Exact match

“Vodafone Business is part of the Vodafone Group.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,0001,631 contacts →

Exact match

“Gamma Communications is a leading provider of technology-based communication solutions across Europe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBournemouth, United KingdomHQ recorded Nov 5, 2026501-1,000317 contacts →

Exact match

“Our Business Ethos: 4Com was founded in by our Chairman and MD, Daron Hutt with the aim of improving the communications services of the UK’s SME market.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchManchester, United KingdomHQ recorded Nov 5, 2026201-500186 contacts →

Exact match

“Nimans is the largest Telecommunications distributor in the UK.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBury, United KingdomHQ recorded Nov 5, 202651-200164 contacts →

Exact match

“Our expertise spans consultancy, sales, installation and maintenance services across the communication spectrum, from unified comms systems and hardware, CX solutions and cloud…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchHampton-in-arden, United KingdomHQ recorded Nov 5, 202651-200122 contacts →

Exact match

“We provide communication solutions and IT business services to businesses, big and small, to help your business grow.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchCrewe, United KingdomHQ recorded Nov 5, 2026201-500119 contacts →

Exact match

“Radius Connect Solutions is an award-winning independent “total communications” solution provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBelfast, United KingdomHQ recorded Nov 5, 202651-200103 contacts →

Exact match

“Barclay Communications is the leading provider of business mobile, landline and digital solutions, supporting small, medium and large organisations across the UK.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchLeeds, United KingdomHQ recorded Nov 5, 202651-20082 contacts →

Exact match

“The Home of Digital Transformation | Multi award-winning & rated excellent on Trustpilot for business comms & IT solutions”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchCamberley, United KingdomHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11Exact matchTelford, United KingdomHQ recorded Nov 5, 202651-20070 contacts →

Exact match

“We’re a leading unified communications provider supplying over 2 million users with the technology they need to work their magic.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20065 contacts →

Exact match

“Radiocoms Systems Limited is a mature communications company of some 50 years and is now the UK’s leading independent communications supplier specialising in the design…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSunderland, United KingdomHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
14Exact matchBrighouse, United KingdomHQ recorded Nov 5, 202651-20058 contacts →

Exact match

“Business: It’s all about connecting people.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSarratt, United KingdomHQ recorded Nov 5, 202651-20055 contacts →

Exact match

“KMCO Group is the partner company for KMCO Services and KMCO Converged IP Services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBelfast, United KingdomHQ recorded Nov 5, 202651-20046 contacts →

Exact match

“The Simplicity Group specialise in fully managed communications and technology solutions for businesses throughout the UK and Ireland.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchCaterham, United KingdomHQ recorded Nov 5, 202611-5039 contacts →

Exact match

“CSE Crosscom is a business with significant reach throughout the United Kingdom, Australia, New Zealand and the United States of America.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchStonehouse, United KingdomHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
19Exact matchLeigh, United KingdomHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“Corptel are a leading independent telecoms and IT distributor with over 28 years’ experience within a highly competitive market, our success is down to industry leading knowledge…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSt Albans, United KingdomHQ recorded Nov 5, 202611-5036 contacts →

Exact match

“For over 25 year ICON has provided partners in the IT and telecomunications channel with the solutions it needs and the know-how required to sell, deploy and support these.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchCheltenham, United KingdomHQ recorded Nov 5, 202651-20035 contacts →

Exact match

“PSU supplies and supports business technology that is essential to our customers' operational needs, today and for the future, without ever compromising on quality service.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchFareham, United KingdomHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“Chrome Telecom is an award-winning telecommunications specialist that provide a tailored approach to business communications.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchAberdeen, United KingdomHQ recorded Nov 5, 202651-20032 contacts →

Exact match

“4MS specialise in networking, cyber-security and telecoms technical services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCatterick Garrison, United KingdomHQ recorded Nov 5, 202611-5032 contacts →

Exact match

“Signal Telecom is one of the longest established family run communication companies in the North of England, dedicated to providing businesses with the complete package of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchEssex, United KingdomHQ recorded Nov 5, 202651-20030 contacts →

Exact match

“Coral Communications is an industry leading, Link-Up accredited and NICEIC Approved Contractor and Telecommunications Service Provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 551 digital communication system suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,563 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Digital communication system suppliers based in the United Kingdom at a glance

As of Nov 5, 2026
32.6%Verified-email coverage
25.4Average contacts per company
1-10Median size (employees)
9.3%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
271
11-50
202
51-200
37
201-500
7
501-1,000
6
1,001-5,000
2
5,001-10,000
1
10001+
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 551 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 “digital communication system suppliers” 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 4,563 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 5, 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.

Digital communication system suppliers 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 “digital communication system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many digital communication system suppliers are there based in the United Kingdom?

RevenueBase identified 551 company matches for digital communication system suppliers 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?

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

Which city has the most digital communication system suppliers?

London leads with 51 company records, followed by Birmingham (14) and Manchester (11).

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 4,563 professional contacts with verified work emails tracked across these 551 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 5, 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.