Company lists · Data verified August 2026
Top 18 Cleanroom staffing based in the United Kingdom
There are 59 cleanroom staffing headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 463 professional contacts across them, including 144 with verified work emails and 18 with mobile numbers. Haverhill is the largest hub.
This list covers cleanroom staffing headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 18 largest cleanroom staffing based in the United Kingdom
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Connect 2 Cleanrooms & Cleanroomshop | 27 |
| 2 |  Contained AIR Solutions | 25 |
| 3 | WHP | 1 |
| 4 |  Pbsc UK | 21 |
| 5 |  Advantage Angels | 8 |
| 6 |  PRO Sentry LTD | 6 |
| 7 |  Clearsphere | 13 |
| 8 |  Enbloc LTD | 8 |
| 9 |  Focusmed24 LTD | 6 |
| 10 |  Cleanroom Zone LTD | 4 |
| 11 |  Bassaire Cleanrooms LTD | 5 |
| 12 |  Astra Technologies UK LLP | 3 |
| 13 |  Clean Room Construction LTD CRC | 5 |
| 14 |  Felcon Limited | 3 |
| 15 |  ISO Cleanroom | 3 |
| 16 |  Care Staff Recruitment | 2 |
| 17 |  Reynolds Contamination Control LTD | 1 |
| 18 | Cleanroom Projects Limited | 2 |
Showing 18 of 59 cleanroom staffing based in the United Kingdom
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Cleanroom staffing based in the United Kingdom at a glance
As of Aug 28, 2026Companies by employee count
Cleanroom staffing by metro
| Metro | Companies |
|---|---|
| Cleanroom staffing in Haverhill | 2 |
| Cleanroom staffing in Livingston | 2 |
| Cleanroom staffing in Manchester | 2 |
| Cleanroom staffing in Glasgow | 2 |
| Cleanroom staffing in Stockport | 2 |
| Cleanroom staffing in Belfast | 2 |
| Cleanroom staffing in York | 2 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “cleanroom staffing”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
- 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
- Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many cleanroom staffing are there based in the United Kingdom?
There are 59 cleanroom staffing headquartered in the United Kingdom as of August 2026 (RevenueBase).
What is the largest company on this list?
Connect 2 Cleanrooms & Cleanroomshop, headquartered in Lancaster, tops this list with the largest team on record.
Which city has the most cleanroom staffing?
Haverhill leads with 2 headquartered companies, followed by Livingston (2) and Manchester (2).
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 144 verified decision-maker contacts tracked across these 59 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.