Company lists · Data refreshed September 2026
Top 25 Geothermal system installers based in the United Kingdom
RevenueBase identified 549 company matches for geothermal system installers associated with the United Kingdom as of September 2026 and tracks 4,394 professional contacts across them, including 1,329 with verified work emails. London is the largest hub.
This list covers company matches for geothermal system installers 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 20, 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 geothermal system installers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 850 contacts → | ||||
Exact match “We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 125 contacts → | ||||
Exact match “We are Bring Energy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 116 contacts → | ||||
Exact match “We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 112 contacts → | ||||
Exact match “As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 110 contacts → | ||||
Exact match “Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 85 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 70 contacts → | ||||
Exact match “As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 60 contacts → | ||||
Exact match “Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 60 contacts → | ||||
Exact match “Hello.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 55 contacts → | ||||
Exact match “Renewable Energy Experts: For over 25 years, Ecolution have been at the forefront of renewable energy services, using our award-winning expertise, to help our clients innovate and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 54 contacts → | ||||
Exact match “With over 30 years of expertise, Cooltherm delivers sustainable HVAC solutions across healthcare, education, construction, data centres, factories & manufacturing, and warehouse &…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 39 contacts → | ||||
Exact match “We are a purpose driven engineering business, passionate about our people and the environment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 38 contacts → | ||||
Exact match “At Golden Globe Merchants, we deliver high-performance, energy-efficient solutions designed to future-proof UK homes.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 37 contacts → | ||||
Exact match “As commercial and industrial heat pump and solar PV specialists, Pure Renewables are here to help you invest in your energy future.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 31 contacts → | ||||
Exact match “Artus Air is an Air Tech company dedicated to improving the way buildings are cooled and heated, globally by reducing carbon impact and improving the comfort of occupants.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 30 contacts → | ||||
Exact match “The Reina Group was founded in 2003 and through our core company values, expertise and impassioned commitment to provide the best renewable, sustainable, viable and efficient…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 30 contacts → | ||||
Exact match “We know about Low carbon heat and power Award Winning Low Carbon system Design / Installation / Servicing If you have a need save energy cost or carbon, regardless of your…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 24 contacts → | ||||
Exact match “Ensuring a better indoor climate without damaging the outdoor climate.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 21 contacts → | ||||
Exact match “We are a Midlands based business, that recommends and installs the right equipment to improves your business's profitability and carbon usage.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 21 contacts → | ||||
Exact match “We provide Complete Mechanical, Electrical and Renewable Energy Solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 20 contacts → | ||||
Exact match “The number one choice for all heating, plumbing and renewable energy solutions in both domestic and commercial properties.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 19 contacts → | ||||
Exact match “MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 19 contacts → | ||||
Exact match “Welcome to Edinburgh Boiler Company, your local energy specialist.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 18 contacts → | ||||
Exact match “R.G.Evans Plumbing and Heating is part of the Evans Group, a family run business operating throughout South East England since 1948.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 18 contacts → | ||||
Exact match “Eco Systems Group has been delivering high-quality insulation, retrofit, solar solutions & air source heat pumps across the commercial and residential sectors for over 13 years.” Recorded in the RevenueBase company graph · Sep 20, 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 “geothermal system installers”. 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 549 geothermal system installers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,329 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Geothermal system installers 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 549 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 “geothermal system installers” 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 1,329 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 20, 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 “geothermal system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal system installers are there based in the United Kingdom?
RevenueBase identified 549 company matches for geothermal system installers 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?
BAXI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal system installers?
London leads with 34 company records, followed by Glasgow (8) and Bristol (7).
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 1,329 professional contacts with verified work emails tracked across these 549 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 549 geothermal system installers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Geothermal system installers by geography
- Geothermal system installers based in Australia
- Geothermal system installers based in Austria
- Geothermal system installers based in Belgium
- Geothermal system installers based in Canada
- Geothermal system installers based in Czechia
- Geothermal system installers based in Denmark
- Geothermal system installers based in Finland
- Geothermal system installers based in France
- Geothermal system installers based in Germany
- Geothermal system installers based in Ireland
- Geothermal system installers based in Italy
- Geothermal system installers based in the Netherlands
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
- Geothermal system installers based in Australia
- Geothermal system installers based in Austria
- Geothermal system installers based in Belgium
- Geothermal system installers based in Canada
- Geothermal system installers based in Czechia
- Geothermal system installers based in Denmark
Company intelligence · public preview
Top 25 geothermal system installers 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 549 matching company records for geothermal system installers based in the United Kingdom, with 4,394 tracked contacts and 1,329 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: September 20, 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 geothermal system installers 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 |  BAXIbaxi.co.ukHQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 850 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bring Energybringenergy.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 125 contacts → |
“We are Bring Energy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  BOXTboxt.co.ukHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 116 contacts → |
“We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  AESaes-smart.xyzHQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 112 contacts → |
“As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Glow Greenglowgreenltd.comHQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Purdy Part Of Sureservepurdycontracts.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 85 contacts → |
“Who are we?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Nu-Heat Underfloor Heating & Renewablesnu-heat.co.ukHQ: Honiton, United KingdomReported employees: 51-200 | Honiton, United Kingdom | 51-200 | Exact match | 70 contacts → |
“As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rendescorendesco.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Hello.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ecolution Groupecolutiongroup.comHQ: Trottiscliffe, United KingdomReported employees: 51-200 | Trottiscliffe, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Renewable Energy Experts: For over 25 years, Ecolution have been at the forefront of renewable energy services, using our award-winning expertise, to help our clients innovate and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Coolthermcooltherm.co.ukHQ: Bridgeyate, United KingdomReported employees: 51-200 | Bridgeyate, United Kingdom | 51-200 | Exact match | 54 contacts → |
“With over 30 years of expertise, Cooltherm delivers sustainable HVAC solutions across healthcare, education, construction, data centres, factories & manufacturing, and warehouse &…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  B-Engineering Group Certified B Corpb-enggroup.co.ukHQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 39 contacts → |
“We are a purpose driven engineering business, passionate about our people and the environment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Golden Globe Merchants LTDgoldenglobeltd.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 38 contacts → |
“At Golden Globe Merchants, we deliver high-performance, energy-efficient solutions designed to future-proof UK homes.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Pure Renewablespurerenewables.comHQ: Hull, United KingdomReported employees: 11-50 | Hull, United Kingdom | 11-50 | Exact match | 37 contacts → |
“As commercial and industrial heat pump and solar PV specialists, Pure Renewables are here to help you invest in your energy future.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Artus AIRartusair.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Artus Air is an Air Tech company dedicated to improving the way buildings are cooled and heated, globally by reducing carbon impact and improving the comfort of occupants.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | REINAreinagroup.co.uk HQ: Folkestone, United KingdomReported employees: 51-200 | Folkestone, United Kingdom | 51-200 | Exact match | 30 contacts → |
“The Reina Group was founded in 2003 and through our core company values, expertise and impassioned commitment to provide the best renewable, sustainable, viable and efficient…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Myriad Heat And Power Productsmyriadproducts.co.ukHQ: Melton Mowbray, United KingdomReported employees: 11-50 | Melton Mowbray, United Kingdom | 11-50 | Exact match | 30 contacts → |
“We know about Low carbon heat and power Award Winning Low Carbon system Design / Installation / Servicing If you have a need save energy cost or carbon, regardless of your…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Jaga UKjaga.comHQ: Ledbury, United KingdomReported employees: 11-50 | Ledbury, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Ensuring a better indoor climate without damaging the outdoor climate.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Nerg LTDnerg.co.ukHQ: Lincoln, United KingdomReported employees: 11-50 | Lincoln, United Kingdom | 11-50 | Exact match | 21 contacts → |
“We are a Midlands based business, that recommends and installs the right equipment to improves your business's profitability and carbon usage.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Essex, United KingdomReported employees: 51-200 | Essex, United Kingdom | 51-200 | Exact match | 21 contacts → |
“We provide Complete Mechanical, Electrical and Renewable Energy Solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mcinnes Group LTDmcinnesgroup.co.uk HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 20 contacts → |
“The number one choice for all heating, plumbing and renewable energy solutions in both domestic and commercial properties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Macbrookgas LTDmacbrookgas.co.uk HQ: Banham, United KingdomReported employees: 51-200 | Banham, United Kingdom | 51-200 | Exact match | 19 contacts → |
“MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Edinburgh Boiler Companytheedinburghboilercompany.com HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Welcome to Edinburgh Boiler Company, your local energy specialist.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | R.G.Evans Plumbing And Heatingrgevans.co.uk HQ: Bourne End, United KingdomReported employees: 51-200 | Bourne End, United Kingdom | 51-200 | Exact match | 18 contacts → |
“R.G.Evans Plumbing and Heating is part of the Evans Group, a family run business operating throughout South East England since 1948.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ECO Systems Group LTDecosystemsgroup.co.uk HQ: Harold Wood, United KingdomReported employees: 51-200 | Harold Wood, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Eco Systems Group has been delivering high-quality insulation, retrofit, solar solutions & air source heat pumps across the commercial and residential sectors for over 13 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 549 company matches
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Geothermal system installers: dataset insights
September 20, 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
537 records in the displayed employee bands.
12 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 549 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 20, 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 geothermal system installers?
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 geothermal system installers did RevenueBase find based in the United Kingdom?
The saved snapshot records 549 matching company records, 4,394 tracked contacts and 1,329 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: September 20, 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
Geothermal system installers by geography
- Geothermal system installers based in Australia
- Geothermal system installers based in Austria
- Geothermal system installers based in Belgium
- Geothermal system installers based in Canada
- Geothermal system installers based in Czechia
- Geothermal system installers based in Denmark
- Geothermal system installers based in Finland
- Geothermal system installers based in France
- Geothermal system installers based in Germany
- Geothermal system installers based in Ireland
- Geothermal system installers based in Italy
- Geothermal system installers based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 geothermal system installers based in the United Kingdom. Snapshot: September 20, 2026. https://revenuebase.ai/companies/geothermal-system-installers/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
- Geothermal system installers based in Australia
- Geothermal system installers based in Austria
- Geothermal system installers based in Belgium
- Geothermal system installers based in Canada
- Geothermal system installers based in Czechia
- Geothermal system installers based in Denmark
Company intelligence · public preview
Top 25 geothermal system installers based in the United Kingdom
RevenueBase records 549 matching company records for geothermal system installers based in the United Kingdom, with 4,394 tracked contacts and 1,329 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: September 20, 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 geothermal system installers 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 | BAXIbaxi.co.uk HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 850 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bring Energybringenergy.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 125 contacts → |
“We are Bring Energy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | BOXTboxt.co.uk HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 116 contacts → |
“We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | AESaes-smart.xyz HQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 112 contacts → |
“As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Glow Greenglowgreenltd.com HQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 110 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Purdy Part Of Sureservepurdycontracts.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 85 contacts → |
“Who are we?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Nu-Heat Underfloor Heating & Renewablesnu-heat.co.uk HQ: Honiton, United KingdomReported employees: 51-200 | Honiton, United Kingdom | 51-200 | Exact match | 70 contacts → |
“As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rendescorendesco.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Scis Groupscisltd.co.uk HQ: Fareham, United KingdomReported employees: 51-200 | Fareham, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Hello.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ecolution Groupecolutiongroup.com HQ: Trottiscliffe, United KingdomReported employees: 51-200 | Trottiscliffe, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Renewable Energy Experts: For over 25 years, Ecolution have been at the forefront of renewable energy services, using our award-winning expertise, to help our clients innovate and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Coolthermcooltherm.co.uk HQ: Bridgeyate, United KingdomReported employees: 51-200 | Bridgeyate, United Kingdom | 51-200 | Exact match | 54 contacts → |
“With over 30 years of expertise, Cooltherm delivers sustainable HVAC solutions across healthcare, education, construction, data centres, factories & manufacturing, and warehouse &…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | B-Engineering Group Certified B Corpb-enggroup.co.uk HQ: Warrington, United KingdomReported employees: 51-200 | Warrington, United Kingdom | 51-200 | Exact match | 39 contacts → |
“We are a purpose driven engineering business, passionate about our people and the environment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Golden Globe Merchants LTDgoldenglobeltd.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 38 contacts → |
“At Golden Globe Merchants, we deliver high-performance, energy-efficient solutions designed to future-proof UK homes.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Pure Renewablespurerenewables.com HQ: Hull, United KingdomReported employees: 11-50 | Hull, United Kingdom | 11-50 | Exact match | 37 contacts → |
“As commercial and industrial heat pump and solar PV specialists, Pure Renewables are here to help you invest in your energy future.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Artus AIRartusair.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Artus Air is an Air Tech company dedicated to improving the way buildings are cooled and heated, globally by reducing carbon impact and improving the comfort of occupants.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | REINAreinagroup.co.uk HQ: Folkestone, United KingdomReported employees: 51-200 | Folkestone, United Kingdom | 51-200 | Exact match | 30 contacts → |
“The Reina Group was founded in 2003 and through our core company values, expertise and impassioned commitment to provide the best renewable, sustainable, viable and efficient…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Myriad Heat And Power Productsmyriadproducts.co.uk HQ: Melton Mowbray, United KingdomReported employees: 11-50 | Melton Mowbray, United Kingdom | 11-50 | Exact match | 30 contacts → |
“We know about Low carbon heat and power Award Winning Low Carbon system Design / Installation / Servicing If you have a need save energy cost or carbon, regardless of your…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Jaga UKjaga.com HQ: Ledbury, United KingdomReported employees: 11-50 | Ledbury, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Ensuring a better indoor climate without damaging the outdoor climate.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nerg LTDnerg.co.uk HQ: Lincoln, United KingdomReported employees: 11-50 | Lincoln, United Kingdom | 11-50 | Exact match | 21 contacts → |
“We are a Midlands based business, that recommends and installs the right equipment to improves your business's profitability and carbon usage.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Essex, United KingdomReported employees: 51-200 | Essex, United Kingdom | 51-200 | Exact match | 21 contacts → |
“We provide Complete Mechanical, Electrical and Renewable Energy Solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mcinnes Group LTDmcinnesgroup.co.uk HQ: Inverness, United KingdomReported employees: 11-50 | Inverness, United Kingdom | 11-50 | Exact match | 20 contacts → |
“The number one choice for all heating, plumbing and renewable energy solutions in both domestic and commercial properties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Macbrookgas LTDmacbrookgas.co.uk HQ: Banham, United KingdomReported employees: 51-200 | Banham, United Kingdom | 51-200 | Exact match | 19 contacts → |
“MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Edinburgh Boiler Companytheedinburghboilercompany.com HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Welcome to Edinburgh Boiler Company, your local energy specialist.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | R.G.Evans Plumbing And Heatingrgevans.co.uk HQ: Bourne End, United KingdomReported employees: 51-200 | Bourne End, United Kingdom | 51-200 | Exact match | 18 contacts → |
“R.G.Evans Plumbing and Heating is part of the Evans Group, a family run business operating throughout South East England since 1948.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ECO Systems Group LTDecosystemsgroup.co.uk HQ: Harold Wood, United KingdomReported employees: 51-200 | Harold Wood, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Eco Systems Group has been delivering high-quality insulation, retrofit, solar solutions & air source heat pumps across the commercial and residential sectors for over 13 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 549 company matches
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Geothermal system installers: dataset insights
September 20, 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
537 records in the displayed employee bands.
12 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 549 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 20, 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 geothermal system installers?
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 geothermal system installers did RevenueBase find based in the United Kingdom?
The saved snapshot records 549 matching company records, 4,394 tracked contacts and 1,329 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: September 20, 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
Geothermal system installers by geography
- Geothermal system installers based in Australia
- Geothermal system installers based in Austria
- Geothermal system installers based in Belgium
- Geothermal system installers based in Canada
- Geothermal system installers based in Czechia
- Geothermal system installers based in Denmark
- Geothermal system installers based in Finland
- Geothermal system installers based in France
- Geothermal system installers based in Germany
- Geothermal system installers based in Ireland
- Geothermal system installers based in Italy
- Geothermal system installers based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 geothermal system installers based in the United Kingdom. Snapshot: September 20, 2026. https://revenuebase.ai/companies/geothermal-system-installers/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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- Geothermal system installers based in Australia
- Geothermal system installers based in Austria
- Geothermal system installers based in Belgium
- Geothermal system installers based in Canada
- Geothermal system installers based in Czechia
- Geothermal system installers based in Denmark