Company lists · Data refreshed September 2026

Top 25 Electrical contractors for telecom based in the United Kingdom

RevenueBase identified 3,710 electrical contractors for telecom headquartered in the United Kingdom as of September 2026 and tracks 25,045 professional contacts across them, including 6,213 with verified work emails. London is the largest hub.

This list covers electrical contractors for telecom headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
3,710Companies
25,045Contacts tracked
6,213Verified emails
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The 25 largest electrical contractors for telecom based in the United Kingdom

Ranked by team size
Top 25 of 3,710 electrical contractors for telecom based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to electrical contractors for telecom: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 16, 2026n/a1,245 contacts →

Partial evidence

“Originally set up in 1933 by Joseph Brand as an electrical contracting and repair business in Margaret Street W1, the company today still operates today with the same guiding…”

Source: RevenueBase Database · checked Sep 16, 2026
2Indirect evidencePrescot, United KingdomHQ checked Sep 16, 20261,001-5,0001,126 contacts →

Indirect evidence

“At MJ Quinn we believe in creating great connections, with our customers, our people and our world.”

Source: RevenueBase Database · checked Sep 16, 2026
3Indirect evidenceWembley, United KingdomHQ checked Sep 16, 20261,001-5,0001,053 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceRugby, United KingdomHQ checked Sep 16, 2026501-1,000412 contacts →

Partial evidence

“Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.”

Source: RevenueBase Database · checked Sep 16, 2026
5Partial evidenceDerby, United KingdomHQ checked Sep 16, 2026501-1,000367 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 16, 2026
6Partial evidenceStevenage, United KingdomHQ checked Sep 16, 2026501-1,000339 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
7Partial evidenceSt Ives, United KingdomHQ checked Sep 16, 2026201-500273 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
8Strong evidenceGlasgow, United KingdomHQ checked Sep 16, 2026201-500184 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceTavistock, United KingdomHQ checked Sep 16, 2026201-500151 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
10Partial evidenceSnitterfield, United KingdomHQ checked Sep 16, 2026201-500134 contacts →

Partial evidence

“CASS (Cabling and Splicing Services) is a services driven telecommunications specialist business.”

Source: RevenueBase Database · checked Sep 16, 2026
11Indirect evidenceOxfordshire, United KingdomHQ checked Sep 16, 202651-200112 contacts →

Indirect evidence

“Our mission is to excel in the design, installation and maintenance of the electro-technical systems that connect to create fit for purpose building environments.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceInverness, United KingdomHQ checked Sep 16, 2026201-500109 contacts →

Indirect evidence

“Premier quality workmanship and personal attention are characteristics of G&A Barnie.”

Source: RevenueBase Database · checked Sep 16, 2026
13Partial evidenceBromsgrove, United KingdomHQ checked Sep 16, 202651-200105 contacts →

Partial evidence

“Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.”

Source: RevenueBase Database · checked Sep 16, 2026
14Indirect evidenceRedditch, United KingdomHQ checked Sep 16, 202611-50101 contacts →

Indirect evidence

“MSE are a midlands based building services company and have over 30 years experience in the commercial and industrial environment working with a broad range of clients.”

Source: RevenueBase Database · checked Sep 16, 2026
15Partial evidenceWest Byfleet, United KingdomHQ checked Sep 16, 202651-20093 contacts →

Partial evidence

“Providing high quality, dedicated telecom infrastructure services to Operators across the country.”

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceEnfield, United KingdomHQ checked Sep 16, 2026201-50090 contacts →

Indirect evidence

“Oakray was established in 1979 and we are very proud of our long heritage.”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceSheffield, United KingdomHQ checked Sep 16, 2026201-50089 contacts →

Indirect evidence

“We connect people, technologies and locations, enabling service providers, OEM's and internet service providers to deploy, scale, support and maintain network infrastructure…”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceHill, United KingdomHQ checked Sep 16, 202651-20082 contacts →

Indirect evidence

“GTDS was established in July 2004 to provide specialist installation and commissioning services to the major manufacturers, National Grid and the Distribution Network Operators…”

Source: RevenueBase Database · checked Sep 16, 2026
19Partial evidenceBarnsley, United KingdomHQ checked Sep 16, 2026201-50079 contacts →

Partial evidence

“As a family run business for over 30 years, here at Rapid Response Telecoms we take great pride in our services being a tier 1 supplier to many prestigious Alt Nets.”

Source: RevenueBase Database · checked Sep 16, 2026
20Indirect evidenceIrvine, United KingdomHQ checked Sep 16, 202651-20079 contacts →

Indirect evidence

“Providing World-class Communication Network and Security Infrastructure Solutions Novo Technologies is dedicated to projects excellence, Novo Technologies undertakes end to end…”

Source: RevenueBase Database · checked Sep 16, 2026
21Indirect evidenceEdinburgh, United KingdomHQ checked Sep 16, 202651-20079 contacts →

Indirect evidence

“AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.”

Source: RevenueBase Database · checked Sep 16, 2026
22Strong evidenceChorley, United KingdomHQ checked Sep 16, 202651-20078 contacts →

Strong evidence

“Advantage NRG is a specialist, labour only, sub-contractor using its own skilled labour force to build and maintain electrical transmission systems.”

Source: RevenueBase Database · checked Sep 16, 2026
23Indirect evidenceReading, United KingdomHQ checked Sep 16, 202651-20074 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
24Indirect evidenceBrighouse, United KingdomHQ checked Sep 16, 202651-20060 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
25Partial evidenceMagherafelt, United KingdomHQ checked Sep 16, 202651-20058 contacts →

Partial evidence

“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 3,710 electrical contractors for telecom based in the United Kingdom

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Electrical contractors for telecom based in the United Kingdom at a glance

As of Sep 16, 2026
24.8%Verified-email coverage
6.8Average contacts per company
1-10Median size (employees)
6.0%Largest-city concentration · London
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
2,263
11-50
1,148
51-200
186
201-500
22
501-1,000
6
1,001-5,000
5
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 3,710 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among electrical contractors for telecom, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “electrical contractors for telecom”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names electrical contractors for telecom), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among electrical contractors for telecom, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 6,213 across the full list. 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 September 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names electrical contractors for telecom, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many electrical contractors for telecom are there based in the United Kingdom?

RevenueBase identified 3,710 electrical contractors for telecom headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

J Brand LTD, headquartered in London, tops this list with the largest team on record.

Which city has the most electrical contractors for telecom?

London leads with 224 headquartered companies, followed by Manchester (46) and Birmingham (45).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,213 verified decision-maker contacts tracked across these 3,710 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 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 Smart Search, 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.