Company lists · Data refreshed September 2026

Top 25 Cleanroom service providers based in the United Kingdom

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 148 companies tracked

RevenueBase identified 148 company matches for cleanroom service providers associated with the United Kingdom as of September 2026 and tracks 2,032 professional contacts across them, including 616 with verified work emails. London is the largest hub.

This list covers company matches for cleanroom service providers 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 19, 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 19, 2026 How this list was built

148Companies

2,032Contacts tracked

616Verified emails

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The 25 largest cleanroom service providers based in the United Kingdom

Ranked by team size

Top 25 of 148 company matches for cleanroom service providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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	Ihss Decontamination & Sterile Service Solutions	Exact match	London & South East, United KingdomHQ recorded Sep 19, 2026	201-500	403 contacts →
	Exact match “IHSS is committed to supporting and partnering our healthcare customers to provide a comprehensive range of tailored decontamination and sterilisation service solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Micronclean	Exact match	Skegness, United KingdomHQ recorded Sep 19, 2026	201-500	160 contacts →
	Exact match “With a heritage stretching back over three generations Micronclean have grown into one of the largest independent family run laundries in the UK.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	AAF AIR Filters	Exact match	Cramlington, United KingdomHQ recorded Sep 19, 2026	51-200	127 contacts →
	Exact match “AAF International, the world’s largest manufacturer of air filtration solutions, operates production, warehousing and distribution facilities in 22 countries across four…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	Howorth AIR Tech	Exact match	Bolton, United KingdomHQ recorded Sep 19, 2026	51-200	123 contacts →
	Exact match “In the early 1960s, Howorth’s experience and skills were applied in response to the needs of the medical profession.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Envair Technology	Exact match	Heywood, United KingdomHQ recorded Sep 19, 2026	51-200	59 contacts →
	Exact match “Envair Technology is the unified brand of Envair and Total Containment Solutions (TCS), a single source provider of next generation clean air and containment systems.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Extract Technology LTD	Exact match	Huddersfield Yorkshire, United KingdomHQ recorded Sep 19, 2026	51-200	57 contacts →
	Exact match “Extract Technology has over 70 years of engineering heritage in aseptic and containment systems for pharmaceutical, biopharmaceutical, nuclear containment, and radiopharmaceutical…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Pharmagraph	Exact match	Finchampstead, United KingdomHQ recorded Sep 19, 2026	51-200	55 contacts →
	Exact match “At Pharmagraph we provide advanced environmental monitoring systems for pharmaceutical and life science manufacturers.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Connect 2 Cleanrooms & Cleanroomshop	Exact match	Lancaster, United KingdomHQ recorded Sep 19, 2026	11-50	38 contacts →
	Exact match “With trusted solutions, proven expertise, and everything you need from one reliable source, we take the complexity out of cleanroom ownership.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	Contained AIR Solutions	Exact match	Manchester, United KingdomHQ recorded Sep 19, 2026	51-200	34 contacts →
	Exact match “Laboratories, cleanrooms, pharmaceutical facilities, and research centres around the world trust us to deliver clean air and containment solutions that help you create safer, more…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Monmouth Scientific	Exact match	Bridgwater, United KingdomHQ recorded Sep 19, 2026	51-200	34 contacts →
	Exact match “Monmouth Scientific are specialists in clean air solutions, delivering advanced recirculating technologies that ensure safety, containment and performance for critical…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Pbsc UK	Exact match	Mirfield, United KingdomHQ recorded Sep 19, 2026	11-50	31 contacts →
	Exact match “PBSC designs and manufactures bespoke cleanroom and high containment systems that set recognised standards in containment engineering worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	HVDS	Exact match	Stafford, United KingdomHQ recorded Sep 19, 2026	11-50	27 contacts →
	Exact match “HVDS is a trusted partner for over 100 leading food manufacturers in the UK and Ireland, specialising in air quality and clean air solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Celvac	Exact match	Tenby, United KingdomHQ recorded Sep 19, 2026	51-200	22 contacts →
	Exact match “Established in 1993, our expertise have grown in the field of confined space cleaning and media removal, offering solutions to the most challenging of problems.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Beta Group LTD	Exact match	Bacup, United KingdomHQ recorded Sep 19, 2026	51-200	21 contacts →
	Exact match “Specialists in Air Filtration & Engineering Services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	CTS Europe LTD	Exact match	Portsmouth, United KingdomHQ recorded Sep 19, 2026	11-50	19 contacts →
	Exact match “Containment Technology Services specialise in the design, construction and commissioning of mobile and bench mounted containment systems to the Pharmaceutical industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Redditch Medical	Exact match	Sedgefield, United KingdomHQ recorded Sep 19, 2026	51-200	19 contacts →
	Exact match “Redditch Medical – Innovative Thinking!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Asgard Controlled Environments	Exact match	Manchester, United KingdomHQ recorded Sep 19, 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 · Sep 19, 2026 · View company records in RevenueBase
18	Helapet LTD	Exact match	Houghton Regis, United KingdomHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “Helapet is committed to contamination control across the medical, cleanroom and environmental industries, supplying a comprehensive range of sterile consumable products and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	PMT GB LTD	Exact match	Malvern, United KingdomHQ recorded Sep 19, 2026	1-10	15 contacts →
	Exact match “Contamination Control is an important factor when working or producing in a controlled environment or cleanroom.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	HRV Group	Exact match	Richmond, United KingdomHQ recorded Sep 19, 2026	51-200	15 contacts →
	Exact match “We create indoor environments that are fresh, efficient and comfortable for the people that live in them.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Hygiene Contracts	Exact match	Burnt Mills Industrial Estate, United KingdomHQ recorded Sep 19, 2026	51-200	14 contacts →
	Exact match “We are an independent company that undertakes all forms of air and water hygiene services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Cleanroom Zone LTD	Exact match	Glasgow, United KingdomHQ recorded Sep 19, 2026	11-50	14 contacts →
	Exact match “Cleanroom Zone provides a service that specializes in the cleaning of cleanrooms and controlled environments.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Enbloc LTD	Exact match	Hook, United KingdomHQ recorded Sep 19, 2026	11-50	13 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 · Sep 19, 2026 · View company records in RevenueBase
24	R & B Industrial LTD	Exact match	Andover, United KingdomHQ recorded Sep 19, 2026	11-50	12 contacts →
	Exact match “We provide bespoke application expertise; by focusing upon customer specific requirements and offering appropriate cost effective solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Bassaire Cleanrooms LTD	Exact match	Stockport, United KingdomHQ recorded Sep 19, 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 · Sep 19, 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 service providers”. 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 148 cleanroom service providers based in the United Kingdom

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Cleanroom service providers based in the United Kingdom at a glance

As of Sep 19, 2026

30.3%Verified-email coverage

13.7Average contacts per company

11-50Median size (employees)

4.7%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 148 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 service providers” 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 616 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 19, 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 service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cleanroom service providers are there based in the United Kingdom?

RevenueBase identified 148 company matches for cleanroom service providers 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?

Ihss Decontamination & Sterile Service Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cleanroom service providers?

London leads with 7 company records, followed by Glasgow (3) and Livingston (3).

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 616 professional contacts with verified work emails tracked across these 148 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 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 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.