Company lists · Data refreshed November 2026

Top 25 Voice and data contractors based in the United Kingdom

RevenueBase identified 804 company matches for voice and data contractors associated with the United Kingdom as of November 2026 and tracks 7,921 professional contacts across them, including 2,255 with verified work emails. London is the largest hub.

This list covers company matches for voice and data contractors 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
804Companies
7,921Contacts tracked
2,255Verified emails
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The 25 largest voice and data contractors based in the United Kingdom

Ranked by team size
Top 25 of 804 company matches for voice and data contractors 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 matchWembley, United KingdomHQ recorded Nov 6, 20261,001-5,0001,204 contacts →

Exact match

“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDerby, United KingdomHQ recorded Nov 6, 2026501-1,000421 contacts →

Exact match

“Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPortsmouth, United KingdomHQ recorded Nov 6, 2026201-500211 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTavistock, United KingdomHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“Beacon Comms is the trading name of Beacon Communication Services Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPortsmouth, United KingdomHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Connecting people, places, and possibilities through transformative workplace technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBracknell, United KingdomHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“KCP | Network Solutions and Design | Software Development | Automation Since 2008 KCP built a legacy of trust with our global customers by becoming a leading provider of SMART…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchReading, United KingdomHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Installation Technology has over thirty years of experience in providing technical solutions in advanced communication systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFleet, United KingdomHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“IDS Group are a global data centre and colocation specialist providing a variety of services to support our customers around the world from both our UK and Netherlands office…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchBrighouse, United KingdomHQ recorded Nov 6, 202651-20058 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Electranet’s mission is to be a preferred partner to the public and private sectors, bringing competitively priced, secure and innovative solutions to the market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWeston-super-mare, United KingdomHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Structured Cabling and Network Solutions that Power Your Progress”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“We are a leading IT installation company offering complete infrastructure solutions within data centre and commercial sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCaterham, United KingdomHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
17Exact matchNorwich, United KingdomHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Proudly est.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchEastbourne, United KingdomHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“M-Tech Systems provide a comprehensive portfolio of intelligent services and technology solutions to both the business and education sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMelksham, United KingdomHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Experts for Physical IT Installations Nationwide Whether building network cabinets, fitting devices, integrating complex IT systems, or installing professional IT infrastructure…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchColeshill, United KingdomHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Providing technology solutions to organisations since 2005, Tel Group are a one-stop-shop for all your school and business technology requirements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchEpsom, United KingdomHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“DELTEQ Ltd is a leading company in the telecommunications and infrastructure industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“DACC Europe is a leading structured cable and network infrastructure provider established in 1996 in Docklands London, enjoying year on year growth and fully manufacturer…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202651-20032 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPortsmouth, United KingdomHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Established in 1991 and part of the easy® family since 2018, easyNetworks delivers expert IT services, phone systems, data cabling, Wi-Fi, business mobiles, CCTV, and internet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCrewkerne, United KingdomHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Data Path is a specialist part of the Lowe Holdings group and has extensive experience in the Structured Cabling market having traded for over 35-years throughout the UK and…”

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

Showing 25 of 804 voice and data contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 2,255 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voice and data contractors based in the United Kingdom at a glance

As of Nov 6, 2026
28.5%Verified-email coverage
9.9Average contacts per company
1-10Median size (employees)
8.2%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
447
11-50
261
51-200
59
201-500
4
501-1,000
3
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 804 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 “voice and data contractors” 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 2,255 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.

Voice and data contractors 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 “voice and data contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many voice and data contractors are there based in the United Kingdom?

RevenueBase identified 804 company matches for voice and data contractors 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?

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

Which city has the most voice and data contractors?

London leads with 66 company records, followed by Birmingham (21) and Manchester (18).

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 2,255 professional contacts with verified work emails tracked across these 804 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.