Company lists · Data refreshed October 2026

Top 24 Facility electrical maintenance contractors based in London, United Kingdom

Name: Facility electrical maintenance contractors based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 245 companies tracked

RevenueBase identified 245 company matches for facility electrical maintenance contractors associated with London, United Kingdom as of October 2026 and tracks 1,255 professional contacts across them, including 447 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for facility electrical maintenance contractors 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 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

245Companies

1,255Contacts tracked

447Verified emails

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The 24 largest facility electrical maintenance contractors based in London, United Kingdom

Ranked by team size

Top 24 of 245 company matches for facility electrical maintenance contractors based in London, 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	Jaguar Building Services LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	501-1,000	353 contacts →
	Exact match “Since 1988, Jaguar Building Services has been a trusted leader in the mechanical, electrical, and public health maintenance of some of London's most prestigious landmark buildings.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Grant Walker Engineering	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	87 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 · Oct 12, 2026 · View company records in RevenueBase
3	Hanover Building Services	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	34 contacts →
	Exact match “Hanover is an award-winning building services provider that specialises in electrical, mechanical, plumbing, heating and renewable energy installations.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Rederic LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	13 contacts →
	Exact match “Here at Rederic, we leverage our wealth of industry knowledge and expertise to provide efficient, personalised solutions for all mechanical & electrical, audiovisual, data…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	London Electrical Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “London Electrical Solutions: Experienced Electricians operating across London Residential & Commercial Electricians serving Greater London London Electrical Solutions is a…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	TNS Electrical Contractors LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	10 contacts →
	Exact match “We are TNS Electrical Contractors Ltd and based in East London with over 15 years of experience in the electrical industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	PRO Maintenance Services LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “We, at PRO Maintenance Services Ltd, deliver high-quality, cost-effective solutions to all building maintenance needs.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Intrelec LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “Intrelec are NICEIC Approved Mechanical & Electrical Contractors in London providing M&E design, installation and maintenance services to commercial, industrial and residential…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Newmay Electrical Services LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	8 contacts →
	Exact match “We are pleased to offer our expertise across a comprehensive range of electrical services, including full domestic and commercial installation, full and part rewires, home…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Total Electric Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	7 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 · Oct 12, 2026 · View company records in RevenueBase
11	Astoria Fire And Security	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	7 contacts →
	Exact match “Astoria Fire and Security carry out installations and provide maintenance services in the Electrical, Fire Alarm and CCTV industry to commercial, industrial and domestic…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Harrison HOW LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	6 contacts →
	Exact match “Harrison How Limited are situated in the heart of London and have been serving clients since 1939.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Bextec Electrical Services LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	6 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 · Oct 12, 2026 · View company records in RevenueBase
14	Task Electrical	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	6 contacts →
	Exact match “Task Electrical UK is small team established in 2008 that undertake all elements within the electrical industry, mainly focused within the commercial world, undertaking anything…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Amber Electrical Services LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	6 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 · Oct 12, 2026 · View company records in RevenueBase
16	LUX Electrical Solutions LTD	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “Lux Electrical Solutions is a London based electrical partner specialising in compliance, remedials and premium fit outs for property management firms and high end retail brands.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Propertyrun Electrical Contractors	Exact match	London, United KingdomHQ recorded Oct 12, 2026	11-50	5 contacts →
	Exact match “PropertyRun Contracts Ltd are approved electrical contractors, that provide a full range of services all over London.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	R P Bray Electrical Contractors	Exact match	London, United KingdomHQ recorded Oct 12, 2026	51-200	4 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 · Oct 12, 2026 · View company records in RevenueBase
19	Apleona Combined Technical Solutions	Exact match	London, United KingdomHQ recorded Oct 12, 2026	201-500	4 contacts →
	Exact match “Apleona CTS are specialists in corporate building services maintenance.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Code Electrical LTD	Exact match	London, United KingdomHQ recorded Oct 12, 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 · Oct 12, 2026 · View company records in RevenueBase
21	Current Phase	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “Founded in 2014, Current Phase is a family-run electrical company led by Hugo Gantley and Demi Williams-Smith.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Ambient Electrical	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “Ambient is an electrical contracting company specialising in all aspects of electrical installations and fit outs.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Pretty Wired	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “Pretty Wired is a service driven company with many years of experience in fault finding and fixing, a range of simple to complex electrical issues.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Hardy Building Solutions Limited	Exact match	London, United KingdomHQ recorded Oct 12, 2026	1-10	4 contacts →
	Exact match “Hardy Building Solutions Ltd delivers high-quality electrical and air conditioning services alongside specialist joinery and office fit-out solutions across commercial and…” 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 “facility electrical maintenance 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 24 of 245 facility electrical maintenance contractors based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 447 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Facility electrical maintenance contractors based in London, United Kingdom at a glance

As of Oct 12, 2026

35.6%Verified-email coverage

5.1Average contacts per company

1-10Median size (employees)

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

163

11-50

51-200

201-500

501-1,000

1,001-5,000

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 245 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 “facility electrical maintenance 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 447 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.

Facility electrical maintenance contractors 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 “facility electrical maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many facility electrical maintenance contractors are there based in London, United Kingdom?

RevenueBase identified 245 company matches for facility electrical maintenance contractors associated with London, 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?

Jaguar Building Services LTD 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 facility electrical maintenance contractors?

London leads the United Kingdom with 245 company records, followed by Manchester (43) and Bristol (41).

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 447 professional contacts with verified work emails tracked across these 245 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.