Company lists · Data refreshed September 2026

Top 25 Preventive electrical maintenance based in the United Kingdom

RevenueBase identified 1,644 company matches for preventive electrical maintenance associated with the United Kingdom as of September 2026 and tracks 8,499 professional contacts across them, including 1,979 with verified work emails. London is the largest hub.

This list covers company matches for preventive electrical maintenance 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 20, 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 20, 2026 How this list was built
1,644Companies
8,499Contacts tracked
1,979Verified emails
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The 25 largest preventive electrical maintenance based in the United Kingdom

Ranked by team size
Top 25 of 1,644 company matches for preventive electrical maintenance based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRugby, United KingdomHQ recorded Sep 20, 2026501-1,000412 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 20, 2026 · View company records in RevenueBase
2Exact matchSheffield, United KingdomHQ recorded Sep 20, 202651-200137 contacts →

Exact match

“Founded in 2010, Guardian Electrical Compliance Ltd have become the market leaders in terms of Duty Holder guidance, technical & legislative support, site delivery and after sales…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchEdinburgh, United KingdomHQ recorded Sep 20, 202651-20079 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 · Sep 20, 2026 · View company records in RevenueBase
4Exact matchStoke On Trent, United KingdomHQ recorded Sep 20, 202651-20075 contacts →

Exact match

“Fletcher Moorland Ltd, are the experts in repairing, replacing, or upgrading Electric Motors, Pumps, Air Handling Units, Inverter Drives, Servo Motors, HMIs, PCBs, PSUs and more.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSittingbourne, United KingdomHQ recorded Sep 20, 202651-20063 contacts →

Exact match

“MKE Engineering (Mid Kent Electrical) is the largest independent engineering service provider of its kind in the South East, operating from 3 different sites covering Kent…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchMagherafelt, United KingdomHQ recorded Sep 20, 202651-20058 contacts →

Exact match

“Premier Electrics have been delivering exciting projects throughout Ireland, UK and Europe since 1993.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchBrentwood, United KingdomHQ recorded Sep 20, 2026201-50051 contacts →

Exact match

“Wiggett Electrical has gone from strength to strength.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchInverness, United KingdomHQ recorded Sep 20, 202611-5051 contacts →

Exact match

“NES is an Industrial and Commercial Electrical Engineering and Contracting business, based in the North and North East of Scotland.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchUpminster, United KingdomHQ recorded Sep 20, 202651-20047 contacts →

Exact match

“M&E Maintenance & Installation Service Provider”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchHertford, United KingdomHQ recorded Sep 20, 202651-20046 contacts →

Exact match

“Electrical & Fire Protection Services, Domestic & Commercial.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchThatcham, United KingdomHQ recorded Sep 20, 202651-20043 contacts →

Exact match

“ElectriQL leads the way in lighting maintenance, LED installation and electrical compliance testing.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchCheltenham, United KingdomHQ recorded Sep 20, 202651-20042 contacts →

Exact match

“Calbarrie Compliance Services Ltd (Calbarrie) is the UK’s market leader in electrical compliance services and has been trading within the Health & Safety and Compliance sectors…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLockington, United KingdomHQ recorded Sep 20, 202651-20040 contacts →

Exact match

“Norwood Electrical (UK) Ltd offer a full range of electrical services and specialises in electrical compliance.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchGrimsby, United KingdomHQ recorded Sep 20, 202651-20039 contacts →

Exact match

“Established over 20 years ago by our Chairman, F.E.S.(EX) is a leading provider of a range of E, I&M services for all industries across both hazardous and non- hazardous…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchStock, United KingdomHQ recorded Sep 20, 202611-5038 contacts →

Exact match

“Tired of poor service?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchBradford, United KingdomHQ recorded Sep 20, 202611-5038 contacts →

Exact match

“JLEC Electrical is committed to providing premium quality along with competitive service to all customers new and old.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchSouthampton, United KingdomHQ recorded Sep 20, 202611-5036 contacts →

Exact match

“COMPANY OVERVIEW Based near Southampton, Intersafe are compliance specialists providing a range of electrical testing services for large, commercial sites.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchCookstown, United KingdomHQ recorded Sep 20, 202651-20035 contacts →

Exact match

“SA3 Power are a Specialized Electrical Installer that provides electrical services for the Data Centers Industry across Europe.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchHalifax, United KingdomHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“For the last 25 years, Group Management Electrical Surveys have been providing Electrical Inspection, Test and Documentation services to many of the UK's leading companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchDunmow, United KingdomHQ recorded Sep 20, 202611-5031 contacts →

Exact match

“We are a leading provider of electrical compliance and support services in the built environment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchPelsall, United KingdomHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“Ashby Electrical provide a complete range of electrical design, installation, testing, inspection and maintenance services nationwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchEngland, United KingdomHQ recorded Sep 20, 202651-20029 contacts →

Exact match

“HCM Electrical Ltd is a trusted provider of high-quality electrical services, delivering excellence to clients across various industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchStockport, United KingdomHQ recorded Sep 20, 202611-5028 contacts →

Exact match

“AC Group Ltd is located in Dukinfield, close to Cheshire.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLeatherhead, United KingdomHQ recorded Sep 20, 202651-20028 contacts →

Exact match

“Wren Environmental Ltd specialise in the Planned Preventative Maintenance and Installation Services within the Mechanical and Electrical industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBelfast, United KingdomHQ recorded Sep 20, 202651-20027 contacts →

Exact match

“LM Services (NI) Ltd formerly known as LM Electric is an electrical and mechanical engineering company dedicated to developing solutions through the application of innovative…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 1,644 preventive electrical maintenance based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,979 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Preventive electrical maintenance based in the United Kingdom at a glance

As of Sep 20, 2026
23.3%Verified-email coverage
5.2Average contacts per company
1-10Median size (employees)
5.7%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
1,086
11-50
451
51-200
54
201-500
3
501-1,000
3
1,001-5,000
2

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 1,644 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 “preventive electrical maintenance” 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 1,979 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 20, 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.

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

How many preventive electrical maintenance are there based in the United Kingdom?

RevenueBase identified 1,644 company matches for preventive electrical maintenance 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?

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

Which city has the most preventive electrical maintenance?

London leads with 94 company records, followed by Manchester (24) and Bristol (19).

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 1,979 professional contacts with verified work emails tracked across these 1,644 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 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,644 preventive electrical maintenance based in the United Kingdom. Start with a free account, no credit card.

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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.