Company lists · Data refreshed October 2026

Top 25 Electrical contractors for utilities based in the United Kingdom

Name: Electrical contractors for utilities based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 3,567 companies tracked

RevenueBase identified 3,567 company matches for electrical contractors for utilities associated with the United Kingdom as of October 2026 and tracks 19,958 professional contacts across them, including 5,318 with verified work emails. London is the largest hub.

This list covers company matches for electrical contractors for utilities 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 12, 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 12, 2026 How this list was built

3,567Companies

19,958Contacts tracked

5,318Verified emails

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The 25 largest electrical contractors for utilities based in the United Kingdom

Ranked by team size

Top 25 of 3,567 company matches for electrical contractors for utilities based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Freedom	Exact match	Leeds, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	728 contacts →
	Exact match “Freedom is a leading provider of facilities and power engineering services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Clarkson Evans LTD	Exact match	Gloucester, United KingdomHQ recorded Oct 12, 2026	501-1,000	336 contacts →
	Exact match “With over 850 staff, we are one of the UK’s leading electrical contractors and solar PV installers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Enerveo	Exact match	Birmingham, United KingdomHQ recorded Oct 12, 2026	1,001-5,000	313 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 12, 2026 · View company records in RevenueBase
4	IQA Elecnor	Exact match	Glasgow, United KingdomHQ recorded Oct 12, 2026	201-500	194 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 12, 2026 · View company records in RevenueBase
5	PN Daly Limited	Exact match	Rochdale, United KingdomHQ recorded Oct 12, 2026	501-1,000	147 contacts →
	Exact match “P.N.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Aptus Utilities LTD	Exact match	Bolton, United KingdomHQ recorded Oct 12, 2026	201-500	140 contacts →
	Exact match “Aptus Utilities is a leading multi-utility connections provider delivering electric, water, gas, EV Charging and street lighting design and installation services throughout the UK.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	S&r Construction LTD	Exact match	Brierley Hill, United KingdomHQ recorded Oct 12, 2026	201-500	134 contacts →
	Exact match “S&R Construction was founded in 1998 with a view to providing affordable, sustainable gas, water and electric mains and utility installation services for a broad range of clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Doocey Group	Exact match	Tipton, United KingdomHQ recorded Oct 12, 2026	201-500	117 contacts →
	Exact match “Doocey Group Utility Infrastructure Contractor operating nationally in the construction Industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Excalon LTD	Exact match	Salford, United KingdomHQ recorded Oct 12, 2026	201-500	110 contacts →
	Exact match “Excalon is one of the Britain’s leading UK Electrical Utility Service Providers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Sinewave	Exact match	Swindon, United KingdomHQ recorded Oct 12, 2026	51-200	105 contacts →
	Exact match “Sinewave are a specialist engineering company who provide High and Low voltage electrical services across the UK.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Rock Power Connections LTD	Exact match	Bromsgrove, United KingdomHQ recorded Oct 12, 2026	51-200	104 contacts →
	Exact match “Rock Power Connections are experts in electrical connections with a proven track record of quality and safety.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Electricbase	Exact match	Oxford, United KingdomHQ recorded Oct 12, 2026	51-200	89 contacts →
	Exact match “Electricbase has become a leading power in electrical wholesaling.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	KLT Utilities LTD	Exact match	Hemel Hempstead, United KingdomHQ recorded Oct 12, 2026	201-500	88 contacts →
	Exact match “Southern England’s leading multi-utility contractor” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Advantage NRG	Exact match	Chorley, United KingdomHQ recorded Oct 12, 2026	51-200	81 contacts →
	Exact match “Advantage NRG is a specialist, labour only, sub-contractor using its own skilled labour force to build and maintain electrical transmission systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	AKD	Exact match	Edinburgh, United KingdomHQ recorded Oct 12, 2026	51-200	80 contacts →
	Exact match “AKD’s clients get quick results, normally leading to reduced costs and gaining an improved service.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Glenelly Infrastructure Solutions Limited	Exact match	Hemel Hempstead, United KingdomHQ recorded Oct 12, 2026	51-200	76 contacts →
	Exact match “Glenelly Infrastructure Solutions Ltd (a United Infrastructure Group company) specialises in providing turnkey services in Power Distribution, Smart Metering, Fault Finding, and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Infrastructure Gateway LTD	Exact match	Kettering, United KingdomHQ recorded Oct 12, 2026	51-200	74 contacts →
	Exact match “Infrastructure Gateway Ltd have been working with developers providing them with the expertise to deliver the utilities on construction projects for over 20 years.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Midwest Mechanical And Electrical Services LTD	Exact match	Wolverhampton, United KingdomHQ recorded Oct 12, 2026	201-500	64 contacts →
	Exact match “Electrical and Mechanical Contractors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Orton Group LTD	Exact match	Wombourne, United KingdomHQ recorded Oct 12, 2026	51-200	61 contacts →
	Exact match “01902 894871 Marking its 25th anniversary this year, Orton is a leading provider of electrical, mechanical, installation and maintenance services covering both commercial and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	AUS LTD	Exact match	Clayton West, United KingdomHQ recorded Oct 12, 2026	51-200	60 contacts →
	Exact match “AUS is a specialist supplier to the electricity distribution and transmission, rail, utility arboricultural, and telecommunications industries.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Total Utility Connections LTD	Exact match	Cardiff, United KingdomHQ recorded Oct 12, 2026	51-200	59 contacts →
	Exact match “We understand that there are a myriad of different options and avenues available when it comes to finding the best utility infrastructure solution for your development.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Premier Electrics	Exact match	Magherafelt, United KingdomHQ recorded Oct 12, 2026	51-200	59 contacts →
	Exact match “Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Avidety	Exact match	Sittingbourne, United KingdomHQ recorded Oct 12, 2026	51-200	58 contacts →
	Exact match “Avidety specialise in the construction and maintenance of overhead and underground electricity networks.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	The Seaking Group	Exact match	Birkenhead, United KingdomHQ recorded Oct 12, 2026	51-200	57 contacts →
	Exact match “The SeaKing Group offers specialist electrical engineering services to the marine, industrial, commercial, military and offshore sectors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Quest Electrical LTD	Exact match	Burnley, United KingdomHQ recorded Oct 12, 2026	11-50	55 contacts →
	Exact match “Quest (Quality Electrical Supplies and Technology) Ltd are a leading electrical wholesaler, NICEIC approved electrical contractor, and facilities management provider.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “electrical contractors for utilities”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,567 electrical contractors for utilities based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 5,318 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 12, 2026

26.6%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

5.5%Largest-city concentration · London

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

2,113

11-50

1,168

51-200

180

201-500

501-1,000

1,001-5,000

10001+

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 3,567 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 “electrical contractors for utilities” 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 5,318 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 12, 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.

Electrical contractors for utilities 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 “electrical contractors for utilities”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 3,567 company matches for electrical contractors for utilities 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?

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

Which city has the most electrical contractors for utilities?

London leads with 196 company records, followed by Manchester (62) and Bristol (44).

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 5,318 professional contacts with verified work emails tracked across these 3,567 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 12, 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.