Company lists · Data refreshed September 2026

Top 25 Power distribution engineering companies based in the United Kingdom

Name: Power distribution engineering companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 2,572 companies tracked

RevenueBase identified 2,572 company matches for power distribution engineering companies associated with the United Kingdom as of September 2026 and tracks 29,159 professional contacts across them, including 9,918 with verified work emails. London is the largest hub.

This list covers company matches for power distribution engineering companies 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 September 17, 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 Sep 17, 2026 How this list was built

2,572Companies

29,159Contacts tracked

9,918Verified emails

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The 25 largest power distribution engineering companies based in the United Kingdom

Ranked by team size

Top 25 of 2,572 company matches for power distribution engineering companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	SP Energy Networks	Exact match	Glasgow, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,523 contacts →
	Exact match “We transmit, distribute and connect electricity to and from 3.5 million homes and businesses over our network, 24 hours a day, every day of the year.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Lucy Electric	Exact match	Thame, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,238 contacts →
	Exact match “Lucy Electric is a leader in secondary power distribution solutions with over 100 years’ industry experience.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Kelly Group	Exact match	Wembley, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,053 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 · Sep 17, 2026 · View company records in RevenueBase
4	Penspen	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	1,007 contacts →
	Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Freedom	Exact match	Leeds, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	664 contacts →
	Exact match “Freedom is a leading provider of facilities and power engineering services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Aureos	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	583 contacts →
	Exact match “Aureos is a multi-disciplinary energy, transport networks specialist and engineering services provider, spanning the design, engineering, installation, maintenance, and crisis…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Balfour Beatty Kilpatrick	Exact match	Glasgow, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	456 contacts →
	Exact match “As a leading mechanical & electrical engineering provider, we design, install and maintain the complex systems and technologies that underpin the UK’s national infrastructure and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Quartzelec Limited	Exact match	Rugby, United KingdomHQ recorded Sep 17, 2026	501-1,000	412 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 · Sep 17, 2026 · View company records in RevenueBase
9	Brush Group	Exact match	Loughborough, United KingdomHQ recorded Sep 17, 2026	501-1,000	367 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 · Sep 17, 2026 · View company records in RevenueBase
10	SPL Powerlines Uk&i	Exact match	Coatbridge, United KingdomHQ recorded Sep 17, 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 · Sep 17, 2026 · View company records in RevenueBase
11	IQA Elecnor	Exact match	Glasgow, United KingdomHQ recorded Sep 17, 2026	201-500	184 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 · Sep 17, 2026 · View company records in RevenueBase
12	WB Power Services LTD	Exact match	Heanor, United KingdomHQ recorded Sep 17, 2026	51-200	168 contacts →
	Exact match “WB Power Services Ltd (now proudly part of Rehlko) provide critical power services to some of the UK’s most important businesses and organisations, ensuring essential services are…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Denmans Electrical	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	501-1,000	164 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 · Sep 17, 2026 · View company records in RevenueBase
14	Asee Group	Exact match	Newry, United KingdomHQ recorded Sep 17, 2026	51-200	151 contacts →
	Exact match “ASEE Group is a leader in mechanical and electrical engineering, specialising in generator integration and full-service installations for 45+ years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Aptus Utilities LTD	Exact match	Bolton, United KingdomHQ recorded Sep 17, 2026	201-500	146 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 · Sep 17, 2026 · View company records in RevenueBase
16	PN Daly Limited	Exact match	Rochdale, United KingdomHQ recorded Sep 17, 2026	501-1,000	141 contacts →
	Exact match “P.N.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	DPS Group	Exact match	Glenrothes, United KingdomHQ recorded Sep 17, 2026	51-200	139 contacts →
	Exact match “Shaping the future, together.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Powersystems	Exact match	Bristol, United KingdomHQ recorded Sep 17, 2026	51-200	126 contacts →
	Exact match “Powered by People.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Swann Engineering Group LTD	Exact match	Braintree, United KingdomHQ recorded Sep 17, 2026	51-200	123 contacts →
	Exact match “About Swann Engineering Group Founded in 1974, Swann Engineering Group specializes in delivering turnkey solutions for complex engineering challenges.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Integrated Utility Services	Exact match	Wakefield, United KingdomHQ recorded Sep 17, 2026	51-200	121 contacts →
	Exact match “Integrated Utility Services (IUS) aims to be the UK's leading provider of power infrastructure for the public and private sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	AF Switchgear	Exact match	Sutton-in-ashfield, United KingdomHQ recorded Sep 17, 2026	201-500	117 contacts →
	Exact match “AF Switchgear is one of the UK's largest switchgear manufacturers and set the standard for LV Switchgear and Power Distribution.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	TES Group	Exact match	Cookstown, United KingdomHQ recorded Sep 17, 2026	51-200	116 contacts →
	Exact match “TES are Mechanical & Electrical Specialists, working to the highest standard of engineering excellence.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	LJJ LTD	Exact match	Stockton On Tees, United KingdomHQ recorded Sep 17, 2026	201-500	114 contacts →
	Exact match “LJJ formed in 2001 as a private limited company and is a multi-disciplined organisation capable of completing major mechanical, electrical and public health service contracts in a…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Darke & Taylor LTD	Exact match	Oxfordshire, United KingdomHQ recorded Sep 17, 2026	51-200	112 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Excalon LTD	Exact match	Salford, United KingdomHQ recorded Sep 17, 2026	201-500	108 contacts →
	Exact match “Excalon is one of the Britain’s leading UK Electrical Utility Service Providers.” Recorded in the RevenueBase company graph · Sep 17, 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 “power distribution engineering companies”. 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 2,572 power distribution engineering companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 9,918 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Power distribution engineering companies based in the United Kingdom at a glance

As of Sep 17, 2026

34.0%Verified-email coverage

11.3Average contacts per company

1-10Median size (employees)

6.1%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

1,315

11-50

968

51-200

196

201-500

501-1,000

1,001-5,000

5,001-10,000

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 2,572 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 “power distribution engineering companies” 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 9,918 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 September 17, 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.

Power distribution engineering companies 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 “power distribution engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power distribution engineering companies are there based in the United Kingdom?

RevenueBase identified 2,572 company matches for power distribution engineering companies associated with the United Kingdom as of September 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?

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

Which city has the most power distribution engineering companies?

London leads with 158 company records, followed by Manchester (51) and Nottingham (32).

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 9,918 professional contacts with verified work emails tracked across these 2,572 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 September 17, 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.