Company lists · Data refreshed November 2026

Top 25 Electrification contractors based in the United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,105 companies tracked

RevenueBase identified 8,105 company matches for electrification contractors associated with the United Kingdom as of November 2026 and tracks 66,274 professional contacts across them, including 20,857 with verified work emails. London is the largest hub.

This list covers company matches for electrification 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

8,105Companies

66,274Contacts tracked

20,857Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest electrification contractors based in the United Kingdom

Ranked by team size

Top 25 of 8,105 company matches for electrification 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	City Electrical Factors	Exact match	Kenilworth, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	2,496 contacts →
	Exact match “City Electrical Factors Ltd is a private limited company established in 1951.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	MJ Quinn	Exact match	Prescot, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,373 contacts →
	Exact match “At MJ Quinn we believe in creating great connections, with our customers, our people and our world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	J Brand LTD	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	1,265 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Kelly Group	Exact match	Wembley, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,204 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
5	Volkerrail LTD	Exact match	Doncaster, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	821 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 · Nov 6, 2026 · View company records in RevenueBase
6	Freedom	Exact match	Leeds, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	740 contacts →
	Exact match “Freedom is a leading provider of facilities and power engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Dodd Group	Exact match	Telford, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	564 contacts →
	Exact match “Dodd Group was formed in 1947 in Shropshire and has remained a privately owned family business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	QTS Group	Exact match	Strathaven, United KingdomHQ recorded Nov 6, 2026	501-1,000	536 contacts →
	Exact match “QTS is one of the country’s leading railways contractors, founded by MD, Alan McLeish.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Quartzelec Limited	Exact match	Rugby, United KingdomHQ recorded Nov 6, 2026	501-1,000	456 contacts →
	Exact match “Quartzelec is a leading independent electrical engineering group delivering solutions and services in both UK and global markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Omexom UK	Exact match	Belfast, United KingdomHQ recorded Nov 6, 2026	501-1,000	400 contacts →
	Exact match “Omexom in the United Kingdom and Republic of Ireland is the VINCI Energies brand dedicated to the Generation, Transmission, and Distribution of electricity as well as the design…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Clarkson Evans LTD	Exact match	Gloucester, United KingdomHQ recorded Nov 6, 2026	501-1,000	360 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 · Nov 6, 2026 · View company records in RevenueBase
12	SPL Powerlines Uk&i	Exact match	Coatbridge, United KingdomHQ recorded Nov 6, 2026	501-1,000	337 contacts →
	Exact match “SPL Powerlines UK & I is a leading multi-disciplinary infrastructure specialist, offering end-to-end delivery across both rail and energy sectors with capabilities that set us…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Enerveo	Exact match	Birmingham, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	332 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 · Nov 6, 2026 · View company records in RevenueBase
14	Brush Group	Exact match	Loughborough, United KingdomHQ recorded Nov 6, 2026	501-1,000	229 contacts →
	Exact match “We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Dron & Dickson	Exact match	Stirling, United KingdomHQ recorded Nov 6, 2026	201-500	225 contacts →
	Exact match “Dron & Dickson are specialists in integrated supply, installation and maintenance of harsh & hazardous area electrical equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Volkerhighways	Exact match	Hoddesdon, United KingdomHQ recorded Nov 6, 2026	201-500	221 contacts →
	Exact match “VolkerHighways is a leader in the delivery of highways and street lighting term maintenance contracts, traffic management and specialist EV charging solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Pod-Trak	Exact match	Uxbridge, United KingdomHQ recorded Nov 6, 2026	201-500	216 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 · Nov 6, 2026 · View company records in RevenueBase
18	IQA Elecnor	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	201-500	204 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 · Nov 6, 2026 · View company records in RevenueBase
19	JKM	Exact match	Bedlington, United KingdomHQ recorded Nov 6, 2026	201-500	203 contacts →
	Exact match “JKM Electricals is a well-established company which has built up a first-class reputation, Through successfully delivering high-quality workmanship.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	PN Daly Limited	Exact match	Rochdale, United KingdomHQ recorded Nov 6, 2026	501-1,000	198 contacts →
	Exact match “P.N.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	MSF	Exact match	Podington, United KingdomHQ recorded Nov 6, 2026	201-500	190 contacts →
	Exact match “MSF is a nationwide highways contractor specialising in lighting, electrical, signage, civils, technology, and commercial EV.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Wingate Electrical PLC	Exact match	Basingstoke, United KingdomHQ recorded Nov 6, 2026	201-500	185 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 · Nov 6, 2026 · View company records in RevenueBase
23	Denmans Electrical	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	501-1,000	179 contacts →
	Exact match “Denmans has over 50 branches nationwide and is part of the largest Electrical Distributor in the world, the Rexel Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Omega RED Group	Exact match	Nottingham, United KingdomHQ recorded Nov 6, 2026	201-500	173 contacts →
	Exact match “Our customers made us the UK market leader in electrical earthing systems and lightning protection systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Totus Engineering LTD	Exact match	Plymouth, United KingdomHQ recorded Nov 6, 2026	51-200	158 contacts →
	Exact match “Totus Engineering Ltd, a leading specialist contractor delivering Essential Services to the South West.” Recorded in the RevenueBase company graph · Nov 6, 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 “electrification contractors”. 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 8,105 electrification contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 20,857 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Electrification contractors based in the United Kingdom at a glance

As of Nov 6, 2026

31.5%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

6.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,594

11-50

2,380

51-200

499

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 8,105 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 “electrification 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 20,857 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.

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

How many electrification contractors are there based in the United Kingdom?

RevenueBase identified 8,105 company matches for electrification 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?

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

Which city has the most electrification contractors?

London leads with 525 company records, followed by Manchester (130) and Nottingham (106).

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 20,857 professional contacts with verified work emails tracked across these 8,105 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.

Ready to reach these companies? Verified emails and direct dials for all 8,105 electrification contractors based in the United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Electrification contractors by geography

Browse the directory

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.