Company lists · Data refreshed October 2026
Top 25 Cleanroom ventilation contractors based in the United Kingdom
RevenueBase identified 224 company matches for cleanroom ventilation contractors associated with the United Kingdom as of October 2026 and tracks 2,018 professional contacts across them, including 765 with verified work emails. London is the largest hub.
This list covers company matches for cleanroom ventilation 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.
The 25 largest cleanroom ventilation contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 246 contacts → | ||||
Exact match “Since 1931 we have been harnessing the natural elements to provide healthy, comfortable and safe working and living conditions in buildings.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 135 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 60 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 58 contacts → | ||||
Exact match “Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 56 contacts → | ||||
Exact match “At Pharmagraph we provide advanced environmental monitoring systems for pharmaceutical and life science manufacturers.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 44 contacts → | ||||
Exact match “From its foundation in 1997, Imperial Ductwork Services Ltd (IDSL) has grown into one of the industry’s leading companies in the Manufacture and Installation of Ductwork…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 39 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 39 contacts → | ||||
Exact match “Founded in 1984 by the visionary engineer Billy Divers, Brookvent has established itself as a trailblazer in the ventilation industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 38 contacts → | ||||
Exact match “MAT supplies specialist critical ventilation solutions for the NHS, private healthcare providers, and life science facilities such as universities and research establishments.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 35 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 34 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 32 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 30 contacts → | ||||
Exact match “Ventilation Surveys and Services Ltd provide nationwide coverage for the following services: Ventilation Cleaning and Maintenance Air Conditioning Installation & Maintenance Fire…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 29 contacts → | ||||
Exact match “Vortice UK is a leading provider of innovative and energy-efficient ventilation solutions for residential, commercial, and industrial environments.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 28 contacts → | ||||
Exact match “Filtrex Global Ltd specializes in providing solutions for clean air management, from supplying replaceable filter cells for air conditioning and ventilation systems, complete…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 26 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 22 contacts → | ||||
Exact match “Specialists in Air Filtration & Engineering Services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “BEAM specialise in the supply and installation of Central Vacuum and Mechanical Ventilation systems to homes, commerce, and industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 19 contacts → | ||||
Exact match “BPC Ventilation are the leading independent domestic and commercial ventilation specialists.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 17 contacts → | ||||
Exact match “Who we are.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 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 | |||||
| 25 | 14 contacts → | ||||
Exact match “Tecomak is an industry-leading service provider of critical ventilation and biological decontamination solutions.” 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 ventilation 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 224 cleanroom ventilation contractors based in the United Kingdom
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Cleanroom ventilation contractors based in the United Kingdom at a glance
As of Oct 9, 2026Companies by employee count
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 224 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 ventilation 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 765 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 ventilation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleanroom ventilation contractors are there based in the United Kingdom?
RevenueBase identified 224 company matches for cleanroom ventilation 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?
Colt International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cleanroom ventilation contractors?
London leads with 16 company records, followed by Manchester (6) and Liverpool (4).
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 765 professional contacts with verified work emails tracked across these 224 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.
Ready to reach these companies? Verified emails and direct dials for all 224 cleanroom ventilation contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Cleanroom ventilation contractors by geography
- Cleanroom ventilation contractors based in Australia
- Cleanroom ventilation contractors based in Belgium
- Cleanroom ventilation contractors based in Brazil
- Cleanroom ventilation contractors based in Canada
- Cleanroom ventilation contractors based in Denmark
- Cleanroom ventilation contractors based in Finland
- Cleanroom ventilation contractors based in France
- Cleanroom ventilation contractors based in Germany
- Cleanroom ventilation contractors based in India
- Cleanroom ventilation contractors based in Ireland
- Cleanroom ventilation contractors based in Israel
- Cleanroom ventilation contractors based in Italy
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleanroom ventilation contractors based in Australia
- Cleanroom ventilation contractors based in Belgium
- Cleanroom ventilation contractors based in Brazil
- Cleanroom ventilation contractors based in Canada
- Cleanroom ventilation contractors based in Denmark
- Cleanroom ventilation contractors based in Finland
Company intelligence · public preview
Top 25 cleanroom ventilation contractors based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 224 matching company records for cleanroom ventilation contractors based in the United Kingdom, with 2,018 tracked contacts and 765 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cleanroom ventilation contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Colt Internationalcoltgroup.com HQ: Petersfield, United KingdomReported employees: 1,001-5,000 | Petersfield, United Kingdom | 1,001-5,000 | Exact match | 246 contacts → |
“Since 1931 we have been harnessing the natural elements to provide healthy, comfortable and safe working and living conditions in buildings.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Howorth AIR Techhoworthgroup.comHQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 135 contacts → |
“In the early 1960s, Howorth’s experience and skills were applied in response to the needs of the medical profession.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Envair Technologyenvairtechnology.com HQ: Heywood, United KingdomReported employees: 51-200 | Heywood, United Kingdom | 51-200 | Exact match | 60 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  AIR Technology Systemsatsclimate.comHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Pharmagraphpharmagraph.co.ukHQ: Finchampstead, United KingdomReported employees: 51-200 | Finchampstead, United Kingdom | 51-200 | Exact match | 56 contacts → |
“At Pharmagraph we provide advanced environmental monitoring systems for pharmaceutical and life science manufacturers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Imperial Ductwork Services LTDimperialductwork.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 44 contacts → |
“From its foundation in 1997, Imperial Ductwork Services Ltd (IDSL) has grown into one of the industry’s leading companies in the Manufacture and Installation of Ductwork…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Contained AIR Solutionscontainedairsolutions.co.ukHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 39 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Brookventbrookvent.co.uk HQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Founded in 1984 by the visionary engineer Billy Divers, Brookvent has established itself as a trailblazer in the ventilation industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Medical AIR Technologymedicalairtechnology.com HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 38 contacts → |
“MAT supplies specialist critical ventilation solutions for the NHS, private healthcare providers, and life science facilities such as universities and research establishments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Connect 2 Cleanrooms & Cleanroomshopconnect2cleanrooms.comHQ: Lancaster, United KingdomReported employees: 11-50 | Lancaster, United Kingdom | 11-50 | Exact match | 35 contacts → |
“With trusted solutions, proven expertise, and everything you need from one reliable source, we take the complexity out of cleanroom ownership.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Extract Technology LTDextract-technology.com HQ: Huddersfield Yorkshire, United KingdomReported employees: 51-200 | Huddersfield Yorkshire, United Kingdom | 51-200 | Exact match | 34 contacts → |
“Extract Technology has over 70 years of engineering heritage in aseptic and containment systems for pharmaceutical, biopharmaceutical, nuclear containment, and radiopharmaceutical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Monmouth Scientificmonmouthscientific.co.uk HQ: Bridgwater, United KingdomReported employees: 51-200 | Bridgwater, United Kingdom | 51-200 | Exact match | 32 contacts → |
“Monmouth Scientific are specialists in clean air solutions, delivering advanced recirculating technologies that ensure safety, containment and performance for critical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Pbsc UKpbsc.co.ukHQ: Mirfield, United KingdomReported employees: 11-50 | Mirfield, United Kingdom | 11-50 | Exact match | 31 contacts → |
“PBSC designs and manufactures bespoke cleanroom and high containment systems that set recognised standards in containment engineering worldwide.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ventilation Surveys & Services LTDvssltd.co.uk HQ: Liverpool, United KingdomReported employees: 51-200 | Liverpool, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Ventilation Surveys and Services Ltd provide nationwide coverage for the following services: Ventilation Cleaning and Maintenance Air Conditioning Installation & Maintenance Fire…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Vortice UKvortice.ltd.uk HQ: Burton On Trent, United KingdomReported employees: 11-50 | Burton On Trent, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Vortice UK is a leading provider of innovative and energy-efficient ventilation solutions for residential, commercial, and industrial environments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Filtrex Global LTDfiltrex.co.ukHQ: Harlow, United KingdomReported employees: 11-50 | Harlow, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Filtrex Global Ltd specializes in providing solutions for clean air management, from supplying replaceable filter cells for air conditioning and ventilation systems, complete…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  HVDShvds.co.ukHQ: Stafford, United KingdomReported employees: 11-50 | Stafford, United Kingdom | 11-50 | Exact match | 26 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Beta Group LTDbetagroupltd.comHQ: Bacup, United KingdomReported employees: 51-200 | Bacup, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Specialists in Air Filtration & Engineering Services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Beam Vacuum & Ventilationbeamcentralsystems.com HQ: Magherafelt, United KingdomReported employees: 11-50 | Magherafelt, United Kingdom | 11-50 | Exact match | 19 contacts → |
“BEAM specialise in the supply and installation of Central Vacuum and Mechanical Ventilation systems to homes, commerce, and industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | BPC Ventilationbpcventilation.com HQ: Larne, United KingdomReported employees: 11-50 | Larne, United Kingdom | 11-50 | Exact match | 19 contacts → |
“BPC Ventilation are the leading independent domestic and commercial ventilation specialists.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Asgard Controlled Environmentsasgardcleanrooms.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 18 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Pure Vent Limitedpurevent.co.uk HQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 17 contacts → |
“Who we are.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  HRV Grouphrv-group.comHQ: Richmond, United KingdomReported employees: 51-200 | Richmond, United Kingdom | 51-200 | Exact match | 15 contacts → |
“We create indoor environments that are fresh, efficient and comfortable for the people that live in them.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Enbloc LTDenbloc-cleanrooms.comHQ: Hook, United KingdomReported employees: 11-50 | Hook, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Enbloc Ltd is a design and build cleanroom and containment suite construction company operating in the Pharmaceutical, Biotech, Healthcare, electronics industries.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tecomak Environmental Services LTDtecomak.com HQ: Tonbridge, United KingdomReported employees: 11-50 | Tonbridge, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Tecomak is an industry-leading service provider of critical ventilation and biological decontamination solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 224 company matches
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Cleanroom ventilation contractors: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
220 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 224 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cleanroom ventilation contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleanroom ventilation contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 224 matching company records, 2,018 tracked contacts and 765 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleanroom ventilation contractors by geography
- Cleanroom ventilation contractors based in Australia
- Cleanroom ventilation contractors based in Belgium
- Cleanroom ventilation contractors based in Brazil
- Cleanroom ventilation contractors based in Canada
- Cleanroom ventilation contractors based in Denmark
- Cleanroom ventilation contractors based in Finland
- Cleanroom ventilation contractors based in France
- Cleanroom ventilation contractors based in Germany
- Cleanroom ventilation contractors based in India
- Cleanroom ventilation contractors based in Ireland
- Cleanroom ventilation contractors based in Israel
- Cleanroom ventilation contractors based in Italy
Cite this list
RevenueBase Data Team. Top 25 cleanroom ventilation contractors based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/cleanroom-ventilation-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleanroom ventilation contractors based in Australia
- Cleanroom ventilation contractors based in Belgium
- Cleanroom ventilation contractors based in Brazil
- Cleanroom ventilation contractors based in Canada
- Cleanroom ventilation contractors based in Denmark
- Cleanroom ventilation contractors based in Finland
Company intelligence · public preview
Top 25 cleanroom ventilation contractors based in the United Kingdom
RevenueBase records 224 matching company records for cleanroom ventilation contractors based in the United Kingdom, with 2,018 tracked contacts and 765 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cleanroom ventilation contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Colt Internationalcoltgroup.com HQ: Petersfield, United KingdomReported employees: 1,001-5,000 | Petersfield, United Kingdom | 1,001-5,000 | Exact match | 246 contacts → |
“Since 1931 we have been harnessing the natural elements to provide healthy, comfortable and safe working and living conditions in buildings.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Howorth AIR Techhoworthgroup.com HQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 135 contacts → |
“In the early 1960s, Howorth’s experience and skills were applied in response to the needs of the medical profession.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Envair Technologyenvairtechnology.com HQ: Heywood, United KingdomReported employees: 51-200 | Heywood, United Kingdom | 51-200 | Exact match | 60 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | AIR Technology Systemsatsclimate.com HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pharmagraphpharmagraph.co.uk HQ: Finchampstead, United KingdomReported employees: 51-200 | Finchampstead, United Kingdom | 51-200 | Exact match | 56 contacts → |
“At Pharmagraph we provide advanced environmental monitoring systems for pharmaceutical and life science manufacturers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Imperial Ductwork Services LTDimperialductwork.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 44 contacts → |
“From its foundation in 1997, Imperial Ductwork Services Ltd (IDSL) has grown into one of the industry’s leading companies in the Manufacture and Installation of Ductwork…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Contained AIR Solutionscontainedairsolutions.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 39 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Brookventbrookvent.co.uk HQ: Belfast, United KingdomReported employees: 51-200 | Belfast, United Kingdom | 51-200 | Exact match | 39 contacts → |
“Founded in 1984 by the visionary engineer Billy Divers, Brookvent has established itself as a trailblazer in the ventilation industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Medical AIR Technologymedicalairtechnology.com HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 38 contacts → |
“MAT supplies specialist critical ventilation solutions for the NHS, private healthcare providers, and life science facilities such as universities and research establishments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Connect 2 Cleanrooms & Cleanroomshopconnect2cleanrooms.com HQ: Lancaster, United KingdomReported employees: 11-50 | Lancaster, United Kingdom | 11-50 | Exact match | 35 contacts → |
“With trusted solutions, proven expertise, and everything you need from one reliable source, we take the complexity out of cleanroom ownership.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Extract Technology LTDextract-technology.com HQ: Huddersfield Yorkshire, United KingdomReported employees: 51-200 | Huddersfield Yorkshire, United Kingdom | 51-200 | Exact match | 34 contacts → |
“Extract Technology has over 70 years of engineering heritage in aseptic and containment systems for pharmaceutical, biopharmaceutical, nuclear containment, and radiopharmaceutical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Monmouth Scientificmonmouthscientific.co.uk HQ: Bridgwater, United KingdomReported employees: 51-200 | Bridgwater, United Kingdom | 51-200 | Exact match | 32 contacts → |
“Monmouth Scientific are specialists in clean air solutions, delivering advanced recirculating technologies that ensure safety, containment and performance for critical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Pbsc UKpbsc.co.uk HQ: Mirfield, United KingdomReported employees: 11-50 | Mirfield, United Kingdom | 11-50 | Exact match | 31 contacts → |
“PBSC designs and manufactures bespoke cleanroom and high containment systems that set recognised standards in containment engineering worldwide.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ventilation Surveys & Services LTDvssltd.co.uk HQ: Liverpool, United KingdomReported employees: 51-200 | Liverpool, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Ventilation Surveys and Services Ltd provide nationwide coverage for the following services: Ventilation Cleaning and Maintenance Air Conditioning Installation & Maintenance Fire…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Vortice UKvortice.ltd.uk HQ: Burton On Trent, United KingdomReported employees: 11-50 | Burton On Trent, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Vortice UK is a leading provider of innovative and energy-efficient ventilation solutions for residential, commercial, and industrial environments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Filtrex Global LTDfiltrex.co.uk HQ: Harlow, United KingdomReported employees: 11-50 | Harlow, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Filtrex Global Ltd specializes in providing solutions for clean air management, from supplying replaceable filter cells for air conditioning and ventilation systems, complete…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HVDShvds.co.uk HQ: Stafford, United KingdomReported employees: 11-50 | Stafford, United Kingdom | 11-50 | Exact match | 26 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Beta Group LTDbetagroupltd.com HQ: Bacup, United KingdomReported employees: 51-200 | Bacup, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Specialists in Air Filtration & Engineering Services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Beam Vacuum & Ventilationbeamcentralsystems.com HQ: Magherafelt, United KingdomReported employees: 11-50 | Magherafelt, United Kingdom | 11-50 | Exact match | 19 contacts → |
“BEAM specialise in the supply and installation of Central Vacuum and Mechanical Ventilation systems to homes, commerce, and industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | BPC Ventilationbpcventilation.com HQ: Larne, United KingdomReported employees: 11-50 | Larne, United Kingdom | 11-50 | Exact match | 19 contacts → |
“BPC Ventilation are the leading independent domestic and commercial ventilation specialists.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Asgard Controlled Environmentsasgardcleanrooms.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 18 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Pure Vent Limitedpurevent.co.uk HQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 17 contacts → |
“Who we are.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HRV Grouphrv-group.com HQ: Richmond, United KingdomReported employees: 51-200 | Richmond, United Kingdom | 51-200 | Exact match | 15 contacts → |
“We create indoor environments that are fresh, efficient and comfortable for the people that live in them.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Enbloc LTDenbloc-cleanrooms.com HQ: Hook, United KingdomReported employees: 11-50 | Hook, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Enbloc Ltd is a design and build cleanroom and containment suite construction company operating in the Pharmaceutical, Biotech, Healthcare, electronics industries.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tecomak Environmental Services LTDtecomak.com HQ: Tonbridge, United KingdomReported employees: 11-50 | Tonbridge, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Tecomak is an industry-leading service provider of critical ventilation and biological decontamination solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 224 company matches
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Cleanroom ventilation contractors: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
220 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 224 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cleanroom ventilation contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleanroom ventilation contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 224 matching company records, 2,018 tracked contacts and 765 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleanroom ventilation contractors by geography
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- Cleanroom ventilation contractors based in France
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Cite this list
RevenueBase Data Team. Top 25 cleanroom ventilation contractors based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/cleanroom-ventilation-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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