Company lists · Data refreshed September 2026

Top 25 Electrical safety companies based in the United Kingdom

RevenueBase identified 1,681 electrical safety companies headquartered in the United Kingdom as of September 2026 and tracks 6,801 professional contacts across them, including 1,948 with verified work emails. London is the largest hub.

This list covers electrical safety companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
1,681Companies
6,801Contacts tracked
1,948Verified emails
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The 25 largest electrical safety companies based in the United Kingdom

Ranked by team size
Top 25 of 1,681 electrical safety companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to electrical safety companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceNottingham, United KingdomHQ checked Sep 19, 2026201-500160 contacts →

Partial evidence

“Our customers made us the UK market leader in electrical earthing systems and lightning protection systems.”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceSheffield, United KingdomHQ checked Sep 19, 202651-200137 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 19, 2026201-50094 contacts →

Partial evidence

“We’ve been providing fire and electrical compliance services for over 30 years, supporting clients across London and the Southeast with our locally based engineers.”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceHorsham, United KingdomHQ checked Sep 19, 2026501-1,00094 contacts →

Partial evidence

“With over 35 Years expertise, Sureserve Compliance Fire is an Industry leading business excelling in delivering Fire and Electrical compliance and testing services to housing…”

Source: RevenueBase Database · checked Sep 19, 2026
5Strong evidencePeterlee, United KingdomHQ checked Sep 19, 202651-20083 contacts →

Strong evidence

“With over 75 years’ experience at the cutting edge of electrical safety testing, our expertise and innovations have produced a number of world firsts.”

Source: RevenueBase Database · checked Sep 19, 2026
6Strong evidenceLondon, United KingdomHQ checked Sep 19, 2026501-1,00062 contacts →

Strong evidence

“Complii is a leading integrated provider of safety and regulatory compliance services across water, air, fire, and electrical - each delivered by our specialist divisions.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidencePulborough, United KingdomHQ checked Sep 19, 202651-20059 contacts →

Indirect evidence

“Welcome to Allsaved.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceBrentwood, United KingdomHQ checked Sep 19, 2026201-50051 contacts →

Partial evidence

“Wiggett Electrical has gone from strength to strength.”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceHertford, United KingdomHQ checked Sep 19, 202651-20046 contacts →

Partial evidence

Electrical & Fire Protection Services, Domestic & Commercial.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceThatcham, United KingdomHQ checked Sep 19, 202651-20043 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceBury St. Edmunds, United KingdomHQ checked Sep 19, 202651-20043 contacts →

Indirect evidence

“The company specialises in being able to provide a bespoke service to the homeowners, landlords, managing agents and the commercial sectors.”

Source: RevenueBase Database · checked Sep 19, 2026
12Partial evidenceEnfield, United KingdomHQ checked Sep 19, 202651-20042 contacts →

Partial evidence

“Welcome to RAAM- Your trusted partner in Safety, Compliance and Renewables, based in Enfield London.”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceBanstead, United KingdomHQ checked Sep 19, 202651-20042 contacts →

Partial evidence

“Our aim is to be the first choice for electrical and engineering installations.”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceCheltenham, United KingdomHQ checked Sep 19, 202651-20042 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceCramlington, United KingdomHQ checked Sep 19, 202651-20042 contacts →

Partial evidence

“Cenelec Standards Inspections specialise in Electrical, Instrument and Mechanical Hazardous Area Inspection and Maintenance for clients in need of support to comply with the…”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceHilldale, United KingdomHQ checked Sep 19, 202611-5040 contacts →

Partial evidence

“We are one of the UK’s leading specialist electrical contracting companies with over 35 years' experience in the design, supply, installation, commissioning and maintenance of…”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceLockington, United KingdomHQ checked Sep 19, 202651-20040 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceGrimsby, United KingdomHQ checked Sep 19, 202651-20039 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceStock, United KingdomHQ checked Sep 19, 202611-5038 contacts →

Indirect evidence

“Tired of poor service?”

Source: RevenueBase Database · checked Sep 19, 2026
20Partial evidenceBradford, United KingdomHQ checked Sep 19, 202611-5038 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
21Strong evidenceWallington, United KingdomHQ checked Sep 19, 202611-5036 contacts →

Strong evidence

“Millwood Fire Safety Engineering is a multi award winning, leading Fire Safety & Electrical Engineering company, providing fire safety and electrical expertise and services…”

Source: RevenueBase Database · checked Sep 19, 2026
22Strong evidenceLondon, United KingdomHQ checked Sep 19, 202611-5036 contacts →

Strong evidence

Electrical Safety First is the UK charity dedicated to reducing deaths and injuries caused by electrical accidents.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceSouthampton, United KingdomHQ checked Sep 19, 202611-5036 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceCookstown, United KingdomHQ checked Sep 19, 202651-20035 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceHalifax, United KingdomHQ checked Sep 19, 202611-5032 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 1,681 electrical safety companies based in the United Kingdom

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Electrical safety companies based in the United Kingdom at a glance

As of Sep 19, 2026
28.6%Verified-email coverage
4.0Average contacts per company
1-10Median size (employees)
7.6%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,161
11-50
408
51-200
55
201-500
5
501-1,000
4
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 1,681 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among electrical safety companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “electrical safety companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names electrical safety companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among electrical safety companies, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,948 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Electrical safety companies by metro

  • Electrical safety companies in London128

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names electrical safety companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many electrical safety companies are there based in the United Kingdom?

RevenueBase identified 1,681 electrical safety companies headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Omega RED Group, headquartered in Nottingham, tops this list with the largest team on record.

Which city has the most electrical safety companies?

London leads with 128 headquartered companies, followed by Manchester (23) and Glasgow (17).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,948 verified decision-maker contacts tracked across these 1,681 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.