Company lists · Data refreshed November 2026

Top 21 Electrical distribution engineering firms based in the United Kingdom

Name: Electrical distribution engineering firms 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 3,972 companies tracked

RevenueBase identified 3,972 company matches for electrical distribution engineering firms associated with the United Kingdom as of November 2026 and tracks 32,368 professional contacts across them, including 10,176 with verified work emails. London is the largest hub.

This list covers company matches for electrical distribution engineering firms 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

3,972Companies

32,368Contacts tracked

10,176Verified emails

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The 21 largest electrical distribution engineering firms based in the United Kingdom

Ranked by team size

Top 21 of 3,972 company matches for electrical distribution engineering firms 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	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
2	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
3	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
4	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
5	Actemium UK	Exact match	Birmingham, United KingdomHQ recorded Nov 6, 2026	501-1,000	226 contacts →
	Exact match “At Actemium UK, we are expert electrical, automation and mechanical engineers delivering bespoke engineering solutions across industry, infrastructure and beyond.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	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
8	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
9	Z-Tech Control Systems LTD	Exact match	Swavesey, United KingdomHQ recorded Nov 6, 2026	201-500	144 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Powersystems	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	51-200	129 contacts →
	Exact match “Powered by People.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Swann Engineering Group LTD	Exact match	Braintree, United KingdomHQ recorded Nov 6, 2026	51-200	128 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 · Nov 6, 2026 · View company records in RevenueBase
12	AF Switchgear	Exact match	Sutton-in-ashfield, United KingdomHQ recorded Nov 6, 2026	201-500	125 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 · Nov 6, 2026 · View company records in RevenueBase
13	Darke & Taylor LTD	Exact match	Oxfordshire, United KingdomHQ recorded Nov 6, 2026	51-200	122 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 · Nov 6, 2026 · View company records in RevenueBase
14	G & A Barnie Group LTD	Exact match	Inverness, United KingdomHQ recorded Nov 6, 2026	201-500	120 contacts →
	Exact match “Premier quality workmanship and personal attention are characteristics of G&A Barnie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Asee Group	Exact match	Newry, United KingdomHQ recorded Nov 6, 2026	51-200	115 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 · Nov 6, 2026 · View company records in RevenueBase
16	Rock Power Connections LTD	Exact match	Bromsgrove, United KingdomHQ recorded Nov 6, 2026	51-200	110 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 · Nov 6, 2026 · View company records in RevenueBase
17	Sinewave	Exact match	Swindon, United KingdomHQ recorded Nov 6, 2026	51-200	109 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 · Nov 6, 2026 · View company records in RevenueBase
18	Terasaki Electric Europe LTD	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	51-200	102 contacts →
	Exact match “Terasaki is a world class specialist in innovative circuit protection, control and system products for electrical energy distribution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Picow Engineering Group	Exact match	Runcorn, United KingdomHQ recorded Nov 6, 2026	51-200	96 contacts →
	Exact match “Mechanical, Electrical, Design and Construction Services Since 1977, Picow Engineering has been delivering a cost-effective engineering service to a growing number of blue chip…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	AKD	Exact match	Edinburgh, United KingdomHQ recorded Nov 6, 2026	51-200	82 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 · Nov 6, 2026 · View company records in RevenueBase
21	DSSR	Exact match	Glasgow, United KingdomHQ recorded Nov 6, 2026	51-200	74 contacts →
	Exact match “DSSR is a forward-thinking, award-winning company of Consulting Engineers specialising in all aspects of Building Services and Sustainability design.” 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 “electrical distribution engineering firms”. 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 21 of 3,972 electrical distribution engineering firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 10,176 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical distribution engineering firms based in the United Kingdom at a glance

As of Nov 6, 2026

31.4%Verified-email coverage

8.1Average contacts per company

1-10Median size (employees)

7.2%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,257

11-50

1,216

51-200

231

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 3,972 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 distribution engineering firms” 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 10,176 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.

Electrical distribution engineering firms 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 distribution engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical distribution engineering firms are there based in the United Kingdom?

RevenueBase identified 3,972 company matches for electrical distribution engineering firms 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?

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

Which city has the most electrical distribution engineering firms?

London leads with 287 company records, followed by Manchester (63) and Nottingham (46).

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 10,176 professional contacts with verified work emails tracked across these 3,972 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.

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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.