Company lists · Data refreshed October 2026

Top 25 Cleanroom electrical contractors based in the United Kingdom

Name: Cleanroom electrical contractors based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 424 companies tracked

RevenueBase identified 424 company matches for cleanroom electrical contractors associated with the United Kingdom as of October 2026 and tracks 2,054 professional contacts across them, including 469 with verified work emails. London is the largest hub.

This list covers company matches for cleanroom electrical contractors 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 October 9, 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 9, 2026 How this list was built

424Companies

2,054Contacts tracked

469Verified emails

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The 25 largest cleanroom electrical contractors based in the United Kingdom

Ranked by team size

Top 25 of 424 company matches for cleanroom electrical contractors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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	Lloyd Morris Electrical LTD	Exact match	Wrexham, United KingdomHQ recorded Oct 9, 2026	51-200	48 contacts →
	Exact match “Lloyd Morris Electrical Limited is a company of Electrical Engineers, specialising in the design, manufacture and installation of Electrical Distribution and Control Systems for…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	ADI Electrical	Exact match	Kings Norton, United KingdomHQ recorded Oct 9, 2026	201-500	31 contacts →
	Exact match “adi Electrical have been delivering high quality and reliable Electrical Installation services for over 25 years.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	MD Electrical Contractors LTD	Exact match	Glasgow, United KingdomHQ recorded Oct 9, 2026	11-50	24 contacts →
	Exact match “MD Electrical Contractors specialises in providing top-tier electrical services to a diverse range of clients.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Editquest Electrical	Exact match	Markyate, United KingdomHQ recorded Oct 9, 2026	11-50	23 contacts →
	Exact match “Editquest Limited is an Electrical contractor based in Markyate Hertfordshire” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Solite Europe Limited	Exact match	Stockport, United KingdomHQ recorded Oct 9, 2026	11-50	22 contacts →
	Exact match “Solite Europe Ltd is a leading manufacturer and supplier of clean room lighting equipment and luminaires for laboratories, pharmaceutical areas, semi-conductor manufacturing…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	I.C. Electrical Limited	Exact match	Burton Upon Trent, United KingdomHQ recorded Oct 9, 2026	51-200	22 contacts →
	Exact match “I.C.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Bridgegate Electrical	Exact match	Maidenhead, United KingdomHQ recorded Oct 9, 2026	11-50	20 contacts →
	Exact match “Bridgegate Electrical Ltd, was first formed over 25 years ago and has grown to become one of the leading Design and Build Electrical contractors in the industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	CCL Group	Exact match	Newry, United KingdomHQ recorded Oct 9, 2026	11-50	20 contacts →
	Exact match “Established in 1994, CCL Group has 40 years' experience as specialists in electrical and mechanical installations.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	RG Electrical	Exact match	Aberdeen, United KingdomHQ recorded Oct 9, 2026	11-50	19 contacts →
	Exact match “RG Electrical (Scotland) Ltd is a well established family run business that has traded for over 10 years providing a first class reliable service in all fields of electrical…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	PCS LTD - Electrical	Exact match	Knighton, United KingdomHQ recorded Oct 9, 2026	11-50	18 contacts →
	Exact match “PCS Ltd is a well established Electrical Installation firm providing in house design, panel/MCC manufacture as well as fully compliant site installation.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Hpes Technical Solutions LTD	Exact match	Stowmarket, United KingdomHQ recorded Oct 9, 2026	1-10	18 contacts →
	Exact match “HPES are a specialist technical electrical contractor, focussing on electrical installations, testing and compliance.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Asgard Controlled Environments	Exact match	Manchester, United KingdomHQ recorded Oct 9, 2026	11-50	18 contacts →
	Exact match “Asgard Controlled Environments are a Turnkey Cleanroom Design and Build contractor who have a wealth of experience of designing, installing and managing the construction of…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	LOS Electrical	Exact match	London, United KingdomHQ recorded Oct 9, 2026	11-50	15 contacts →
	Exact match “LOS Electrical Engineers is a specialist electrical contractor delivering high-quality electrical engineering solutions across the water and industrial sectors.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Enbloc LTD	Exact match	Hook, United KingdomHQ recorded Oct 9, 2026	11-50	15 contacts →
	Exact match “Enbloc Ltd is a design and build cleanroom and containment suite construction company operating in the Pharmaceutical, Biotech, Healthcare, electronics industries.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Total Electrical Contractors LTD	Exact match	Milton, United KingdomHQ recorded Oct 9, 2026	11-50	14 contacts →
	Exact match “Total Electrical Contractors Ltd is a leading commercial electrical contractor based in Oxfordshire and serving the South East.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Mcnally And Thompson LTD	Exact match	Sunderland, United KingdomHQ recorded Oct 9, 2026	51-200	14 contacts →
	Exact match “McNally and Thompson have built up a reputation within the industry as electrical contractors providing a first class service tailored to our clients individual needs.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Clearwater Electrical LTD	Exact match	Portlethen, United KingdomHQ recorded Oct 9, 2026	11-50	13 contacts →
	Exact match “Clearwater Electrical Ltd is an Aberdeen-based company consisting of a team of Electrical Engineers with a wealth of experience in Electrical Contracting and Offshore Oil & Gas…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	RED Rock Electrical LTD	Exact match	Dawlish, United KingdomHQ recorded Oct 9, 2026	11-50	13 contacts →
	Exact match “Established in 1994, we benefit from a highly experienced management team and large direct labour force.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Ohmega Group	Exact match	Batley, United KingdomHQ recorded Oct 9, 2026	11-50	13 contacts →
	Exact match “At Ohmega Group, we provide expert electrical contracting solutions for retail, commercial, and industrial environments, from concept to completion.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	BMS Electrical Services Limited	Exact match	Washington, United KingdomHQ recorded Oct 9, 2026	11-50	13 contacts →
	Exact match “BMS Electrical Service Limited is a privately owned company established in 2008.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Celtic Electrical Services LTD	Exact match	Pyle, United KingdomHQ recorded Oct 9, 2026	11-50	13 contacts →
	Exact match “At Celtic Electrical, we believe great electrical work is built on trust, safety, and long-term relationships.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Knowles Electrical Limited	Exact match	Nottingham, United KingdomHQ recorded Oct 9, 2026	11-50	12 contacts →
	Exact match “Knowles Electrical Limited are a Nottingham based Electrical Contractor, that deliver projects of all size from concept to client handover, with our diligent in-house management…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Macd Electrical LTD	Exact match	Glasgow, United KingdomHQ recorded Oct 9, 2026	11-50	12 contacts →
	Exact match “Electrical/Principal contractor with over 20 years experience in running and managing the most complex jobs around.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Monard Electrical Contractors LLP	Exact match	Oxford, United KingdomHQ recorded Oct 9, 2026	11-50	11 contacts →
	Exact match “Monard Electrical Contractors LLP were established in 1973 and have steadily grown in size since by building good relationships with our customers.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Bassaire Cleanrooms LTD	Exact match	Stockport, United KingdomHQ recorded Oct 9, 2026	11-50	11 contacts →
	Exact match “With over 60 years experience Bassaire is the longest established cleanroom company in the UK.” Recorded in the RevenueBase company graph · Oct 9, 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 “cleanroom electrical 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 25 of 424 cleanroom electrical contractors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 469 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cleanroom electrical contractors based in the United Kingdom at a glance

As of Oct 9, 2026

22.8%Verified-email coverage

4.8Average contacts per company

1-10Median size (employees)

5.2%Largest-city concentration · London

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

237

11-50

170

51-200

201-500

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 424 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 “cleanroom electrical 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 469 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 9, 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 “cleanroom electrical contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cleanroom electrical contractors are there based in the United Kingdom?

RevenueBase identified 424 company matches for cleanroom electrical contractors associated with the 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?

Lloyd Morris Electrical LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cleanroom electrical contractors?

London leads with 22 company records, followed by Manchester (8) and Nottingham (7).

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 469 professional contacts with verified work emails tracked across these 424 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 9, 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.