Company lists · Data refreshed October 2026

Top 25 Communications infrastructure contractors based in the United Kingdom

RevenueBase identified 1,111 company matches for communications infrastructure contractors associated with the United Kingdom as of October 2026 and tracks 22,272 professional contacts across them, including 7,487 with verified work emails. London is the largest hub.

This list covers company matches for communications infrastructure 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 October 10, 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 Oct 10, 2026 How this list was built
1,111Companies
22,272Contacts tracked
7,487Verified emails
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The 25 largest communications infrastructure contractors based in the United Kingdom

Ranked by team size
Top 25 of 1,111 company matches for communications infrastructure contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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 matchWarwick, United KingdomHQ recorded Oct 10, 20261,001-5,0002,493 contacts →

Exact match

“Telent designs, builds, manages, and maintains the nation’s critical infrastructure technology that keeps the country moving, connected, and safe.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2Exact matchWembley, United KingdomHQ recorded Oct 10, 20261,001-5,0001,111 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 · Oct 10, 2026 · View company records in RevenueBase
3Exact matchDoncaster, United KingdomHQ recorded Oct 10, 20261,001-5,000805 contacts →

Exact match

“Since entering the construction market in 1935, VolkerRail has become one of the UK’s leading multidisciplinary railway infrastructure contractors.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4Exact matchWarrington, United KingdomHQ recorded Oct 10, 2026501-1,000547 contacts →

Exact match

“WHP is one of the UK's leading suppliers of network infrastructure services.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5Exact matchMagor, United KingdomHQ recorded Oct 10, 2026201-500512 contacts →

Exact match

“Indigo engineers a digital future by designing, deploying, and supporting digital infrastructure for network owners and operators.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 10, 2026201-500456 contacts →

Exact match

“Redstone is now part of RedstoneConnect PLC.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7Exact matchDerby, United KingdomHQ recorded Oct 10, 2026501-1,000399 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 · Oct 10, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 10, 2026201-500363 contacts →

Exact match

“Maintel is a communications managed services provider.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9Exact matchChelmsford, United KingdomHQ recorded Oct 10, 2026501-1,000360 contacts →

Exact match

“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10Exact matchBirmingham, United KingdomHQ recorded Oct 10, 20261,001-5,000313 contacts →

Exact match

“Enerveo is a multi-disciplinary contracting business, with the skills and expertise to deliver complex projects in complex environments across a number of different service lines.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11Exact matchManchester, United KingdomHQ recorded Oct 10, 2026201-500309 contacts →

Exact match

“Clarke Telecom carries out every aspect of wireless telecoms network infrastructure delivery.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12Exact matchStevenage, United KingdomHQ recorded Oct 10, 2026501-1,000304 contacts →

Exact match

“Morrison Telecom Services is focused on the design, build and maintenance of telecom infrastructure for key clients in the fixed telecom market.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 10, 2026501-1,000285 contacts →

Exact match

“Building on more than seven decades of experience in engineering and technology innovation, Telrad Networks is an award-winning, recognized global leader in wireless…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14Exact matchSt Ives, United KingdomHQ recorded Oct 10, 2026201-500275 contacts →

Exact match

“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15Exact matchMiddlesbrough, United KingdomHQ recorded Oct 10, 2026201-500273 contacts →

Exact match

“Map Group (UK) is one of the leading independent providers of professional technology services to the UK communications sector.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16Exact matchCambridge, United KingdomHQ recorded Oct 10, 2026201-500235 contacts →

Exact match

“Founded in 1985, John Henry Group is a leading, national independent integrated services provider providing best in class expertise, enabling our partner clients to deliver…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17Exact matchUxbridge, United KingdomHQ recorded Oct 10, 2026201-500214 contacts →

Exact match

“Pod-Trak is a privately owned, multi-disciplinary infrastructure contractor operating across the UK, Ireland, and Europe since 2007.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18Exact matchPortsmouth, United KingdomHQ recorded Oct 10, 2026201-500209 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19Exact matchAlbourne, United KingdomHQ recorded Oct 10, 202651-200200 contacts →

Exact match

“Technetix provides critical broadband infrastructure for network operators globally.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20Exact matchGlasgow, United KingdomHQ recorded Oct 10, 2026201-500194 contacts →

Exact match

“IQA lead the way in designing, building, maintaining, and upgrading electrical utility networks, telecommunication networks, EVCP and electrical infrastructure for both the public…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21Exact matchSelkirk, United KingdomHQ recorded Oct 10, 2026201-500179 contacts →

Exact match

“Founded and based in the Scottish Borders, QubeGB operates nationwide, covering 98% of the UK.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22Exact matchCoalisland, United KingdomHQ recorded Oct 10, 2026501-1,000171 contacts →

Exact match

“Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23Exact matchBasingstoke, United KingdomHQ recorded Oct 10, 2026201-500171 contacts →

Exact match

“Wingate Electrical Plc are the leading provider of Temporary Site Construction Services throughout the UK and within mainland Europe operating from offices in Basingstoke…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24Exact matchTavistock, United KingdomHQ recorded Oct 10, 2026201-500150 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25Exact matchErith, United KingdomHQ recorded Oct 10, 2026201-500148 contacts →

Exact match

“Batt Cables has been a trusted name in cable distribution since 1952.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

Showing 25 of 1,111 communications infrastructure contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,487 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Communications infrastructure contractors based in the United Kingdom at a glance

As of Oct 10, 2026
33.6%Verified-email coverage
20.0Average contacts per company
11-50Median size (employees)
9.1%Largest-city concentration · London
Oct 10, 2026Page data refreshed

Companies by employee count

1-10
464
11-50
403
51-200
173
201-500
43
501-1,000
9
1,001-5,000
6
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 1,111 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 “communications infrastructure 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 7,487 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 October 10, 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.

Communications infrastructure 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 “communications infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many communications infrastructure contractors are there based in the United Kingdom?

RevenueBase identified 1,111 company matches for communications infrastructure contractors associated with the United Kingdom as of October 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?

Telent Technology Services LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most communications infrastructure contractors?

London leads with 101 company records, followed by Manchester (28) and Birmingham (24).

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 7,487 professional contacts with verified work emails tracked across these 1,111 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 October 10, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,111 communications infrastructure contractors 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.