Company lists · Data refreshed September 2026
Top 21 Airtight building specialists based in the United Kingdom
RevenueBase identified 43 company matches for airtight building specialists associated with the United Kingdom as of September 2026 and tracks 279 professional contacts across them, including 125 with verified work emails. Aberdeen is the largest hub.
This list covers company matches for airtight building specialists 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 30, 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 21 largest airtight building specialists based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 65 contacts → | ||||
Exact match “At 21 Degrees, we believe buildings should be designed for lower energy use, healthier spaces and better comfort.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 58 contacts → | ||||
Exact match “A.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 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 30, 2026 · View company records in RevenueBase | |||||
| 4 | 14 contacts → | ||||
Exact match “Outerspace Group Ltd creates energy‑efficient spaces that support how people live, rest, and perform.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 13 contacts → | ||||
Exact match “Total Home Environment can plan, select and install heat recovery ventilation, heat pump ventilation, compact service units and central vacuum systems to achieve the healthiest…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 12 contacts → | ||||
Exact match “At Condensation Solutions, we are dedicated to improving indoor air quality and creating healthier living environments across Northern Ireland.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “Indoor Climate Systems specialise in creating the ideal controlled environment.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 6 contacts → | ||||
Exact match “Air Craft are Leading experts in creating renewable home comfort solutions to your new build or renovation project.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “Sustainable Design & Build in Bristol and the South West, specialising in Passive House construction.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “Specialists in air movement, ventilation and extraction.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 4 contacts → | ||||
Exact match “Heat Recovery Direct provides high-performance energy solutions across the UK & Ireland.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “MDL SEAL LTD is a Company specialising in Sealant Application, Air Tightness Testing and Sound Insulation Testing.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “Kishorn Insulations has had to meet the strict quality criteria to become an approved partner of Icynene, and we are proud to have been accepted into the Icynene Family.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “We are CASAVENT - Residential Ventilation Specialists Our expert team offer independent advice and guidance on all types of residential ventilation systems.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “McVeigh Offsite is a business of integrity that consistently and passionately delivers quality and value to our customers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “We specialise in home retrofit - insulation upgraded and air tightness using a wide variety of products to achieve the best solution for the customer.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Exceed airtightness requirements every time.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “okoHaus was founded on a belief that it is possible to offer leading customer service whilst focused on sustainable products and processes, thereby doing our bit to help the…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Based in Dungannon we provide expert installation and advice for Cavity Wall Insulation, Spray Foam Insulation, Loft Insulation and Airtightness products for homes and businesses.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Indoor environmental systems are specialists in the installation of comfort cooling/heating and ventilation systems and pride ourselves on the service we provide.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Welcome to RJ Energy.” Recorded in the RevenueBase company graph · Sep 30, 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 “airtight building specialists”. 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 21 of 43 airtight building specialists based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 125 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Airtight building specialists based in the United Kingdom at a glance
As of Sep 30, 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 43 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 “airtight building specialists” 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 125 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 30, 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 “airtight building specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many airtight building specialists are there based in the United Kingdom?
RevenueBase identified 43 company matches for airtight building specialists 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?
21 Degrees tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most airtight building specialists?
Aberdeen leads with 2 company records, followed by Castlewellan (2) and Liverpool (2).
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 125 professional contacts with verified work emails tracked across these 43 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 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 43 airtight building specialists based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Airtight building specialists by geography
- Airtight building specialists based in Belgium
- Airtight building specialists based in Canada
- Airtight building specialists based in France
- Airtight building specialists based in Germany
- Airtight building specialists based in the Netherlands
- Airtight building specialists based in Switzerland
- Airtight building specialists based in the United States
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
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- New lists
- Airtight building specialists based in Belgium
- Airtight building specialists based in Canada
- Airtight building specialists based in France
- Airtight building specialists based in Germany
- Airtight building specialists based in the Netherlands
- Airtight building specialists based in Switzerland
Company intelligence · public preview
Top 21 airtight building specialists 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 43 matching company records for airtight building specialists based in the United Kingdom, with 279 tracked contacts and 125 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 21 airtight building specialists 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 |  21 Degrees21degrees.comHQ: Nationwide, United KingdomReported employees: 201-500 | Nationwide, United Kingdom | 201-500 | Exact match | 65 contacts → |
“At 21 Degrees, we believe buildings should be designed for lower energy use, healthier spaces and better comfort.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | A.Proctor Group LTDproctorgroup.com HQ: Blairgowrie, United KingdomReported employees: 51-200 | Blairgowrie, United Kingdom | 51-200 | Exact match | 58 contacts → |
“A.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Outerspace Group LTDouterspacegroup.com HQ: Wrexham, United KingdomReported employees: 11-50 | Wrexham, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Outerspace Group Ltd creates energy‑efficient spaces that support how people live, rest, and perform.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Total Home Environment LTDtotalhome.co.uk HQ: Moreton In Marsh, United KingdomReported employees: 11-50 | Moreton In Marsh, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Total Home Environment can plan, select and install heat recovery ventilation, heat pump ventilation, compact service units and central vacuum systems to achieve the healthiest…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Condensation Solutionscondensationsolutions.co.uk HQ: Castlewellan, United KingdomReported employees: 1-10 | Castlewellan, United Kingdom | 1-10 | Exact match | 12 contacts → |
“At Condensation Solutions, we are dedicated to improving indoor air quality and creating healthier living environments across Northern Ireland.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Indoor Climate Systems UK LTDindoorclimate.co.uk HQ: Lapworth, United KingdomReported employees: 11-50 | Lapworth, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Indoor Climate Systems specialise in creating the ideal controlled environment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AIR Craft Southern LTDacsouthern.com HQ: Christchurch, United KingdomReported employees: 11-50 | Christchurch, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Air Craft are Leading experts in creating renewable home comfort solutions to your new build or renovation project.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Greenheart Sustainable Construction LTDgreenheartuk.com HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Sustainable Design & Build in Bristol and the South West, specialising in Passive House construction.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Clean AIR Environmentalcleanairenvironmental.co.uk HQ: Sutton Coldfield, United KingdomReported employees: 1-10 | Sutton Coldfield, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Specialists in air movement, ventilation and extraction.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Heat Recovery Directheatrecoverydirect.com HQ: Enniskillen, United KingdomReported employees: 1-10 | Enniskillen, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Heat Recovery Direct provides high-performance energy solutions across the UK & Ireland.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MDL Seal LTDmdlseal.co.uk HQ: Rayleigh, United KingdomReported employees: 11-50 | Rayleigh, United Kingdom | 11-50 | Exact match | 4 contacts → |
“MDL SEAL LTD is a Company specialising in Sealant Application, Air Tightness Testing and Sound Insulation Testing.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kishorn Insulations Limitedkishornltd.co.uk HQ: Kishorn, United KingdomReported employees: 11-50 | Kishorn, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Kishorn Insulations has had to meet the strict quality criteria to become an approved partner of Icynene, and we are proud to have been accepted into the Icynene Family.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Casaventcasavent.co.uk HQ: Long Crendon, United KingdomReported employees: 1-10 | Long Crendon, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We are CASAVENT - Residential Ventilation Specialists Our expert team offer independent advice and guidance on all types of residential ventilation systems.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mcveigh Offsite LTDmcveighoffsite.com HQ: Stalybridge, United KingdomReported employees: 1-10 | Stalybridge, United Kingdom | 1-10 | Exact match | 2 contacts → |
“McVeigh Offsite is a business of integrity that consistently and passionately delivers quality and value to our customers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Forbes Solutionsforbes-solutions.co.uk HQ: Aberdeen, United KingdomReported employees: 1-10 | Aberdeen, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We specialise in home retrofit - insulation upgraded and air tightness using a wide variety of products to achieve the best solution for the customer.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aerobarrierukaerobarrieruk.co.uk HQ: Hereford, United KingdomReported employees: 1-10 | Hereford, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Exceed airtightness requirements every time.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Okohaus UK Limitedokohaus.co.ukHQ: Woolverstone, United KingdomReported employees: 1-10 | Woolverstone, United Kingdom | 1-10 | Exact match | 2 contacts → |
“okoHaus was founded on a belief that it is possible to offer leading customer service whilst focused on sustainable products and processes, thereby doing our bit to help the…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Alpha Insulation Limitedalphainsulation.co.ukHQ: County Tyrone, United KingdomReported employees: 1-10 | County Tyrone, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Based in Dungannon we provide expert installation and advice for Cavity Wall Insulation, Spray Foam Insulation, Loft Insulation and Airtightness products for homes and businesses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  IES Limitedindoorenv.comHQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Indoor environmental systems are specialists in the installation of comfort cooling/heating and ventilation systems and pride ourselves on the service we provide.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  RJ Energy Consultants LTDrjenergy.co.ukHQ: Aberdeen, United KingdomReported employees: 1-10 | Aberdeen, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Welcome to RJ Energy.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 43 company matches
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Airtight building specialists: dataset insights
September 30, 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
42 records in the displayed employee bands.
1 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 43 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: September 30, 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 airtight building specialists?
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 airtight building specialists did RevenueBase find based in the United Kingdom?
The saved snapshot records 43 matching company records, 279 tracked contacts and 125 verified emails. The public preview displays 21 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: September 30, 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
Airtight building specialists by geography
- Airtight building specialists based in Belgium
- Airtight building specialists based in Canada
- Airtight building specialists based in France
- Airtight building specialists based in Germany
- Airtight building specialists based in the Netherlands
- Airtight building specialists based in Switzerland
- Airtight building specialists based in the United States
Cite this list
RevenueBase Data Team. Top 21 airtight building specialists based in the United Kingdom. Snapshot: September 30, 2026. https://revenuebase.ai/companies/airtight-building-specialists/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
- Airtight building specialists based in Belgium
- Airtight building specialists based in Canada
- Airtight building specialists based in France
- Airtight building specialists based in Germany
- Airtight building specialists based in the Netherlands
- Airtight building specialists based in Switzerland
Company intelligence · public preview
Top 21 airtight building specialists based in the United Kingdom
RevenueBase records 43 matching company records for airtight building specialists based in the United Kingdom, with 279 tracked contacts and 125 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 21 airtight building specialists 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 | 21 Degrees21degrees.com HQ: Nationwide, United KingdomReported employees: 201-500 | Nationwide, United Kingdom | 201-500 | Exact match | 65 contacts → |
“At 21 Degrees, we believe buildings should be designed for lower energy use, healthier spaces and better comfort.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | A.Proctor Group LTDproctorgroup.com HQ: Blairgowrie, United KingdomReported employees: 51-200 | Blairgowrie, United Kingdom | 51-200 | Exact match | 58 contacts → |
“A.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Outerspace Group LTDouterspacegroup.com HQ: Wrexham, United KingdomReported employees: 11-50 | Wrexham, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Outerspace Group Ltd creates energy‑efficient spaces that support how people live, rest, and perform.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Total Home Environment LTDtotalhome.co.uk HQ: Moreton In Marsh, United KingdomReported employees: 11-50 | Moreton In Marsh, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Total Home Environment can plan, select and install heat recovery ventilation, heat pump ventilation, compact service units and central vacuum systems to achieve the healthiest…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Condensation Solutionscondensationsolutions.co.uk HQ: Castlewellan, United KingdomReported employees: 1-10 | Castlewellan, United Kingdom | 1-10 | Exact match | 12 contacts → |
“At Condensation Solutions, we are dedicated to improving indoor air quality and creating healthier living environments across Northern Ireland.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Indoor Climate Systems UK LTDindoorclimate.co.uk HQ: Lapworth, United KingdomReported employees: 11-50 | Lapworth, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Indoor Climate Systems specialise in creating the ideal controlled environment.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AIR Craft Southern LTDacsouthern.com HQ: Christchurch, United KingdomReported employees: 11-50 | Christchurch, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Air Craft are Leading experts in creating renewable home comfort solutions to your new build or renovation project.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Greenheart Sustainable Construction LTDgreenheartuk.com HQ: Bristol, United KingdomReported employees: 1-10 | Bristol, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Sustainable Design & Build in Bristol and the South West, specialising in Passive House construction.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Clean AIR Environmentalcleanairenvironmental.co.uk HQ: Sutton Coldfield, United KingdomReported employees: 1-10 | Sutton Coldfield, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Specialists in air movement, ventilation and extraction.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Heat Recovery Directheatrecoverydirect.com HQ: Enniskillen, United KingdomReported employees: 1-10 | Enniskillen, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Heat Recovery Direct provides high-performance energy solutions across the UK & Ireland.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MDL Seal LTDmdlseal.co.uk HQ: Rayleigh, United KingdomReported employees: 11-50 | Rayleigh, United Kingdom | 11-50 | Exact match | 4 contacts → |
“MDL SEAL LTD is a Company specialising in Sealant Application, Air Tightness Testing and Sound Insulation Testing.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kishorn Insulations Limitedkishornltd.co.uk HQ: Kishorn, United KingdomReported employees: 11-50 | Kishorn, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Kishorn Insulations has had to meet the strict quality criteria to become an approved partner of Icynene, and we are proud to have been accepted into the Icynene Family.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Casaventcasavent.co.uk HQ: Long Crendon, United KingdomReported employees: 1-10 | Long Crendon, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We are CASAVENT - Residential Ventilation Specialists Our expert team offer independent advice and guidance on all types of residential ventilation systems.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mcveigh Offsite LTDmcveighoffsite.com HQ: Stalybridge, United KingdomReported employees: 1-10 | Stalybridge, United Kingdom | 1-10 | Exact match | 2 contacts → |
“McVeigh Offsite is a business of integrity that consistently and passionately delivers quality and value to our customers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Forbes Solutionsforbes-solutions.co.uk HQ: Aberdeen, United KingdomReported employees: 1-10 | Aberdeen, United Kingdom | 1-10 | Exact match | 2 contacts → |
“We specialise in home retrofit - insulation upgraded and air tightness using a wide variety of products to achieve the best solution for the customer.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aerobarrierukaerobarrieruk.co.uk HQ: Hereford, United KingdomReported employees: 1-10 | Hereford, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Exceed airtightness requirements every time.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Okohaus UK Limitedokohaus.co.uk HQ: Woolverstone, United KingdomReported employees: 1-10 | Woolverstone, United Kingdom | 1-10 | Exact match | 2 contacts → |
“okoHaus was founded on a belief that it is possible to offer leading customer service whilst focused on sustainable products and processes, thereby doing our bit to help the…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alpha Insulation Limitedalphainsulation.co.uk HQ: County Tyrone, United KingdomReported employees: 1-10 | County Tyrone, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Based in Dungannon we provide expert installation and advice for Cavity Wall Insulation, Spray Foam Insulation, Loft Insulation and Airtightness products for homes and businesses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | IES Limitedindoorenv.com HQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Indoor environmental systems are specialists in the installation of comfort cooling/heating and ventilation systems and pride ourselves on the service we provide.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | RJ Energy Consultants LTDrjenergy.co.uk HQ: Aberdeen, United KingdomReported employees: 1-10 | Aberdeen, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Welcome to RJ Energy.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 43 company matches
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Airtight building specialists: dataset insights
September 30, 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
42 records in the displayed employee bands.
1 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 43 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: September 30, 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 airtight building specialists?
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 airtight building specialists did RevenueBase find based in the United Kingdom?
The saved snapshot records 43 matching company records, 279 tracked contacts and 125 verified emails. The public preview displays 21 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: September 30, 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.
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Cite this list
RevenueBase Data Team. Top 21 airtight building specialists based in the United Kingdom. Snapshot: September 30, 2026. https://revenuebase.ai/companies/airtight-building-specialists/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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- Airtight building specialists based in Belgium
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