Company lists · Data refreshed September 2026

Top 22 Power distribution installation companies based in London, United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 145 companies tracked

RevenueBase identified 145 company matches for power distribution installation companies associated with London, United Kingdom as of September 2026 and tracks 550 professional contacts across them, including 103 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for power distribution installation companies associated with London, 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

145Companies

550Contacts tracked

103Verified emails

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The 22 largest power distribution installation companies based in London, United Kingdom

Ranked by team size

Top 22 of 145 company matches for power distribution installation companies based in London, 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	Grant Walker Engineering	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	81 contacts →
	Exact match “Grant Walker Engineering specialise in the complete installation of Electrical and Mechanical systems across all work sectors including quality office developments, commercial and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	ARC Electrical	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	30 contacts →
	Exact match “Electrical Contractors and Wholesalers based in Central London and Essex.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Cole Group	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “At COLE Group, we specialize in delivering outstanding electrical solutions for both new build and refurbishment projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Concepto Solutions LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Concepto AV is an electrical-led technology company delivering high-quality electrical installations across residential and commercial projects in London.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	SPL Construct LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “As fully qualified, time served electrical contractors, we have a wealth of knowledge in the electrical industry, predominantly carrying out a wide range of services from design…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Zeus Electrical Constructions	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “ZEUS is engaged in studies and electrical installations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	JSJ Smart Homes	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “JSJ Smart Homes was formed as a specialised contractor in the field of domestic installations, covering all aspects of electrical installs, such as home automation and data…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	R P Bray Electrical Contractors	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	6 contacts →
	Exact match “R P Bray carry out electrical installation works to domestic, commercial and industrial projects, complete with design and testing facilities, specializing in the hotel, leisure…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Total Electric Solutions LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Established in 2006, Total Electric Solutions Ltd provides a complete electrical package from the design & tendering process through to the final installation & after care.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Amber Electrical Services LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “As a successful, progressive company, we continually strive to identify project risks, manage agreed performance levels and optimise cost/revenue budgets for all our clients.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Code Electrical LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “At Code Electrical, our friendly and reliable domestic and commercial electricians are perfectly suited to carry out any type of electrical work for your business.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Eightcube Solutions	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “EIGHTCUBE, based in London, is a fast-growing and ambitious electrical design and build business delivering high quality projects for both domestic and commercial properties and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Bextec Electrical Services LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Bextec Electrical are a London based company operating in the commercial and residential sectors of the electrical industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	MPE Electrical Contractors LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “MPE Electrical Contractors are a London /Kent based company specialising in all aspects of electrical installation within the residential, commercial and industrial sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Capital Power And Data LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	2 contacts →
	Exact match “Capital Power & Data Ltd are an electrical & data installation company based in Essex.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Lockesleys	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	TNS Electrical Solutions	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	2 contacts →
	Exact match “TNS Solutions is a company that is continually flourishing, due to our efficient and friendly service which can be attested to by our positive reviews online.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	CG Site Electrical LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “CG Site Electrical is a Temporary Site Services Construction Company that delivers excellence and professionalism.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	BRS Electrical London LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	11-50	1 contacts →
	Exact match “London Based electrical contractor” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Salientric Electrical Contractors	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Salientric Electrical Contractors Specialised in commercial building electrical systems design, installation, maintenance, and repair.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	LES Thompson & CO LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Your local electrical contractors in London: As specialists in electrical installations, we provide a modern, reliable service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	D R Security & Electrical LTD	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match Recorded description not available. 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 installation 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 22 of 145 power distribution installation companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Power distribution installation companies based in London, United Kingdom at a glance

As of Sep 17, 2026

18.7%Verified-email coverage

3.8Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 145 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 London, United Kingdom whose business descriptions match “power distribution installation 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 103 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 installation companies by metro in the United Kingdom

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 installation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many power distribution installation companies are there based in London, United Kingdom?

RevenueBase identified 145 company matches for power distribution installation companies associated with London, 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?

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

Which city in the United Kingdom has the most power distribution installation companies?

London leads the United Kingdom with 145 company records, followed by Manchester (39) 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 103 professional contacts with verified work emails tracked across these 145 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.