Company lists · Data refreshed September 2026
Top 25 Indoor air quality specialists based in the United Kingdom
RevenueBase identified 122 indoor air quality specialists headquartered in the United Kingdom as of September 2026 and tracks 940 professional contacts across them, including 277 with verified work emails. London is the largest hub.
This list covers indoor air quality specialists 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 20, 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.
The 25 largest indoor air quality specialists based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 107 contacts → | ||||
Indirect evidence “Life Environmental Services | Asbestos, Water, Fire & Mould Management Consultancy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 65 contacts → | ||||
Strong evidence “Our purpose is to provide healthy indoor air, sustainably.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 47 contacts → | ||||
Strong evidence “Established in 1993, Air Quality Consultants has a strong and proven track record in providing independent air quality services to private and public sector clients, both within…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 42 contacts → | ||||
Partial evidence “At System Hygienics, we pride ourselves on being industry leaders in providing clean air and a safe environment for your employees, patients, and customers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 36 contacts → | ||||
Strong evidence “Airmec Essential Services is one of the few remaining independent specialists in air and water hygiene, and one of the few firms that can offer a complete, seamless fire damper…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 32 contacts → | ||||
Partial evidence “Ventilation Surveys and Services Ltd provide nationwide coverage for the following services: Ventilation Cleaning and Maintenance Air Conditioning Installation & Maintenance Fire…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 27 contacts → | ||||
Strong evidence “HVDS is a trusted partner for over 100 leading food manufacturers in the UK and Ireland, specialising in air quality and clean air solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 17 contacts → | ||||
Strong evidence “Musketeer Services are established providers of water treatment, air quality, environmental and combustion compliance services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Strong evidence “The preferred national partner for air quality, compliance and sustainability Delivering Cleaner, safer and more efficient environments that support a net zero future” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 16 contacts → | ||||
Strong evidence “Prioritising Air Quality.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 15 contacts → | ||||
Partial evidence “We create indoor environments that are fresh, efficient and comfortable for the people that live in them.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 12 contacts → | ||||
Strong evidence “At Condensation Solutions, we are dedicated to improving indoor air quality and creating healthier living environments across Northern Ireland.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 contacts → | ||||
Strong evidence “Westfield Caledonian are at the forefront of workplace environment management in the UK and are specialists in the monitoring and management of air and water quality in the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Partial evidence “Since 2008, Plasma Clean Air has strived to create a cleaner, safer environment with our clean air solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Strong evidence “Quality Environmental Services Limited is an Environmental Essentials Company with offices in Sheffield and Sandbach, that specialises in Air & Water Hygiene.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “MECHON offers a single source of expertise in the field of industrial ventilation and environmental control systems.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Strong evidence “Together we create the perfect environment A National business specialising in Air Quality, Heating, Cooling and Ventilation, we work alongside you to create and realise your…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Strong evidence “Coral Environmental specialises in the assessment, sampling, surveying and monitoring of the indoor environment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “At Butterfly we monitor IAQ with unparalleled accuracy and speed so people can feel reassured that the spaces they occupy for work, rest and play are healthy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Partial evidence “Clean air, healthy people.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Partial evidence “Evergen Systems is a world leading air hygiene, clean technologies & virus prevention company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Partial evidence “For over a quarter of a century, EFAM Air's dedicated team has been at the forefront of the ventilation industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Strong evidence “Evotech Air Quality is passionate about the air we breathe.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Strong evidence “Indoor Climate Systems specialise in creating the ideal controlled environment.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Indirect evidence “MedicAir® is trusted by the NHS and used in multiple hospitals and practices across the UK.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: indoor air quality specialists. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names indoor air quality specialists.
- Partial evidence
- Its own public description names part of indoor air quality specialists, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name indoor air quality specialists. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 122 indoor air quality specialists based in the United Kingdom
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 277 reachable decision-makers.
Free signup · no credit card
Indoor air quality specialists based in the United Kingdom at a glance
As of Sep 20, 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 122 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 indoor air quality specialists, 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 “indoor air quality specialists”. 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 indoor air quality specialists), 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 indoor air quality specialists, 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, 277 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 20, 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.
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 indoor air quality specialists, 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 indoor air quality specialists are there based in the United Kingdom?
RevenueBase identified 122 indoor air quality specialists 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?
Life Environmental Services, headquartered in Bishops Stortford, tops this list with the largest team on record.
Which city has the most indoor air quality specialists?
London leads with 17 headquartered companies, followed by Crawley (3) and Exeter (3).
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 277 verified decision-maker contacts tracked across these 122 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 122 indoor air quality specialists based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Indoor air quality specialists by geography
- Indoor air quality specialists based in Australia
- Indoor air quality specialists based in Belgium
- Indoor air quality specialists based in Brazil
- Indoor air quality specialists based in Canada
- Indoor air quality specialists based in Denmark
- Indoor air quality specialists based in Finland
- Indoor air quality specialists based in France
- Indoor air quality specialists based in Germany
- Indoor air quality specialists based in India
- Indoor air quality specialists based in Italy
- Indoor air quality specialists based in the Netherlands
- Indoor air quality specialists based in Sweden
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Indoor air quality specialists based in Australia
- Indoor air quality specialists based in Belgium
- Indoor air quality specialists based in Brazil
- Indoor air quality specialists based in Canada
- Indoor air quality specialists based in Denmark
- Indoor air quality specialists based in Finland