Company lists · Data refreshed November 2026

Top 25 Value-added communication system suppliers based in the United Kingdom

RevenueBase identified 271 company matches for value-added communication system suppliers associated with the United Kingdom as of November 2026 and tracks 3,460 professional contacts across them, including 1,350 with verified work emails. London is the largest hub.

This list covers company matches for value-added 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 3, 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 3, 2026 How this list was built
271Companies
3,460Contacts tracked
1,350Verified emails
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The 25 largest value-added communication system suppliers based in the United Kingdom

Ranked by team size
Top 25 of 271 company matches for value-added communication system suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchBournemouth, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
2Exact matchPortsmouth, United KingdomHQ recorded Nov 3, 2026201-500211 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 3, 2026501-1,000203 contacts →

Exact match

“Maintel is a leading systems integrator and managed services provider, delivering effortless communications solutions to a broad spectrum of businesses in the UK and…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchManchester, United KingdomHQ recorded Nov 3, 2026201-500186 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchStratford-upon-avon, United KingdomHQ recorded Nov 3, 2026201-500182 contacts →

Exact match

“BDR Group are a UK award-winning IT and Communications specialist, who provide a wide range of bespoke solutions to a broad spectrum of businesses across the UK and globally.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchBury, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
7Exact matchHampton-in-arden, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
8Exact matchCrewe, United KingdomHQ recorded Nov 3, 2026201-500119 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchCamberley, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
10Exact matchSunderland, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
11Exact matchCaterham, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
12Exact matchNorwich, United KingdomHQ recorded Nov 3, 202651-20039 contacts →

Exact match

“Proudly est.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchSt Albans, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
14Exact matchFareham, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
15Exact matchCatterick Garrison, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
16Exact matchFareham, United KingdomHQ recorded Nov 3, 202611-5029 contacts →

Exact match

“Silver Lining's unified communications and converged networks offer improved efficiency, reduce running costs and are designed with the flexibility to easily upgrade as your…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchNewbury, United KingdomHQ recorded Nov 3, 202611-5026 contacts →

Exact match

“Trusted Telecoms Experts.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchHuddersfield, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
19Exact matchBirmingham, United KingdomHQ recorded Nov 3, 202611-5024 contacts →

Exact match

“Best 4 Business Communications is a company established on the trust and reliability expected by our customers.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchNewcastle-under-lyme, United KingdomHQ recorded Nov 3, 202611-5024 contacts →

Exact match

“Businesses know what they don't want - dropped calls and poor call quality, shaky internet connections, hard-to-reach support, and fragmented or clunky systems.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchCirencester, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
22Exact matchStonehouse, United KingdomHQ recorded Nov 3, 202611-5023 contacts →

Exact match

“SCG South West is a division of the Southern Communications Group.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchWelwyn Garden City, United KingdomHQ recorded Nov 3, 202611-5023 contacts →

Exact match

“VSL delivers tailored communications solutions across all business sectors.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchRedditch, United KingdomHQ recorded Nov 3, 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 3, 2026 · View company records in RevenueBase
25Exact matchStockton-upon-tees, United KingdomHQ recorded Nov 3, 202611-5022 contacts →

Exact match

“Odyssey is a trusted IT provider, offering communication solutions with a difference.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 271 value-added communication system suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,350 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Value-added communication system suppliers based in the United Kingdom at a glance

As of Nov 3, 2026
39.0%Verified-email coverage
12.8Average contacts per company
11-50Median size (employees)
7.4%Largest-city concentration · London
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
128
11-50
114
51-200
17
201-500
5
501-1,000
3

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 271 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 “value-added 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 1,350 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 November 3, 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.

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

How many value-added communication system suppliers are there based in the United Kingdom?

RevenueBase identified 271 company matches for value-added 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?

4com tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most value-added communication system suppliers?

London leads with 20 company records, followed by Manchester (8) and Bristol (7).

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 1,350 professional contacts with verified work emails tracked across these 271 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 3, 2026.

Ready to reach these companies? Verified emails and direct dials for all 271 value-added communication system suppliers based in the United Kingdom. Start with a free account, no credit card.

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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.