Company lists · Data refreshed November 2026
Top 25 Geothermal system suppliers based in the United Kingdom
RevenueBase identified 376 company matches for geothermal system suppliers associated with the United Kingdom as of November 2026 and tracks 3,371 professional contacts across them, including 919 with verified work emails. London is the largest hub.
This list covers company matches for geothermal system suppliers 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 November 6, 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 suppliers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 865 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 195 contacts → | ||||
Exact match “What does it take to deliver confidence at every stage of the heating journey?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 134 contacts → | ||||
Exact match “The UK’s heating system is stuck in the past, costing people and the planet too much.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 123 contacts → | ||||
Exact match “We are a leading supplier of sustainable heating systems, including HVO boilers, air source heat pumps, solar thermal, hot water storage cylinders, aluminium radiators and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 69 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 42 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 30 contacts → | ||||
Exact match “Oceanair is an award-winning distributor of air conditioning and heating products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 29 contacts → | ||||
Exact match “As a market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 26 contacts → | ||||
Exact match “Ensuring a better indoor climate without damaging the outdoor climate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 24 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 23 contacts → | ||||
Exact match “Thermal Earth is a leading UK distributor of renewable heating technologies incorporating wood biomass boilers, heat pumps and solar thermal systems based in South Wales.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 22 contacts → | ||||
Exact match “Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 20 contacts → | ||||
Exact match “Our aim is to provide renewable energy systems for properties that would clearly benefit from them.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 18 contacts → | ||||
Exact match “H&I (Home & Industrial) Heating was established in 1972 as a sole trader/partnership for the Heating Industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 17 contacts → | ||||
Exact match “The Schwank Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 17 contacts → | ||||
Exact match “Jet Environmental designs, manufactures, installs and maintains heating, ventilation and cooling systems for large volume, industrial, commercial warehouses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 16 contacts → | ||||
Exact match “Genuinely Independent distributors of renewable products throughout the UK and Ireland for over 25 years!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 16 contacts → | ||||
Exact match “Paynes has been established since 1982, as plumbing and heating specialists.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 16 contacts → | ||||
Exact match “We are an award-winning geothermal company based in Edinburgh, Scotland and a leading specialist in all aspects of the UK’s geothermal resources.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 15 contacts → | ||||
Exact match “IMS Heat Pumps designs and installs air source, ground source and water source heat pump systems for self-build, renovation, retrofit, custom-build and new-build projects across…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “Better Planet was founded in 2004 with a vision to make it easier and more affordable to use green alternatives for heating and electricity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “At Premier Heating Solutions, we provide homeowners across Berkshire, South Oxfordshire, and North Hampshire with reliable, energy-efficient plumbing, heating and electrical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “At Cinergi, we bring over 50 years of combined expertise in both domestic and commercial energy sectors, upheld by a team of highly-accredited engineers.” Recorded in the RevenueBase company graph · Nov 6, 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 suppliers”. 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 376 geothermal system suppliers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 919 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Geothermal system suppliers based in the United Kingdom at a glance
As of Nov 6, 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 376 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 suppliers” 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 919 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 November 6, 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 suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal system suppliers are there based in the United Kingdom?
RevenueBase identified 376 company matches for geothermal system suppliers associated with the United Kingdom as of November 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 suppliers?
London leads with 26 company records, followed by Exeter (6) and Bristol (5).
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 919 professional contacts with verified work emails tracked across these 376 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 376 geothermal system suppliers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Geothermal system suppliers by geography
- Geothermal system suppliers based in Australia
- Geothermal system suppliers based in Austria
- Geothermal system suppliers based in Belgium
- Geothermal system suppliers based in Canada
- Geothermal system suppliers based in Czechia
- Geothermal system suppliers based in Denmark
- Geothermal system suppliers based in Finland
- Geothermal system suppliers based in France
- Geothermal system suppliers based in Germany
- Geothermal system suppliers based in Ireland
- Geothermal system suppliers based in Italy
- Geothermal system suppliers 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 suppliers based in Australia
- Geothermal system suppliers based in Austria
- Geothermal system suppliers based in Belgium
- Geothermal system suppliers based in Canada
- Geothermal system suppliers based in Czechia
- Geothermal system suppliers based in Denmark
Company intelligence · public preview
Top 25 geothermal system suppliers 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 376 matching company records for geothermal system suppliers based in the United Kingdom, with 3,371 tracked contacts and 919 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: November 6, 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 suppliers 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 | 865 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Vaillant UKvaillant.co.ukHQ: Belper, United KingdomReported employees: 501-1,000 | Belper, United Kingdom | 501-1,000 | Exact match | 195 contacts → |
“What does it take to deliver confidence at every stage of the heating journey?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  KENSAkensa.co.ukHQ: Truro, United KingdomReported employees: 51-200 | Truro, United Kingdom | 51-200 | Exact match | 134 contacts → |
“The UK’s heating system is stuck in the past, costing people and the planet too much.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Grant Engineering UK LTDgrantuk.comHQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 123 contacts → |
“We are a leading supplier of sustainable heating systems, including HVO boilers, air source heat pumps, solar thermal, hot water storage cylinders, aluminium radiators and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Rendescorendesco.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 69 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Pure Renewablespurerenewables.comHQ: Hull, United KingdomReported employees: 11-50 | Hull, United Kingdom | 11-50 | Exact match | 42 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Oceanair UK LTDoceanairuk.comHQ: Mansfield, United KingdomReported employees: 11-50 | Mansfield, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Oceanair is an award-winning distributor of air conditioning and heating products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Johnson & Starley LTDjohnsonandstarley.co.ukHQ: Northampton, United KingdomReported employees: 51-200 | Northampton, United Kingdom | 51-200 | Exact match | 29 contacts → |
“As a market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Jaga UKjaga.comHQ: Ledbury, United KingdomReported employees: 11-50 | Ledbury, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Ensuring a better indoor climate without damaging the outdoor climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Nerg LTDnerg.co.ukHQ: Lincoln, United KingdomReported employees: 11-50 | Lincoln, United Kingdom | 11-50 | Exact match | 24 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Thermal Earth Limitedthermalearth.co.ukHQ: Ammanford, United KingdomReported employees: 11-50 | Ammanford, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Thermal Earth is a leading UK distributor of renewable heating technologies incorporating wood biomass boilers, heat pumps and solar thermal systems based in South Wales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Nicholls Boreholes & Ground Sourcenichollsboreholes.co.ukHQ: Kirdford, United KingdomReported employees: 51-200 | Kirdford, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  HEX Energy LTDhexenergy.co.ukHQ: Nuneaton, United KingdomReported employees: 11-50 | Nuneaton, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Our aim is to provide renewable energy systems for properties that would clearly benefit from them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Home & Industrial Heating Services Limitedhomeindgroup.co.ukHQ: Eastleigh, United KingdomReported employees: 11-50 | Eastleigh, United Kingdom | 11-50 | Exact match | 18 contacts → |
“H&I (Home & Industrial) Heating was established in 1972 as a sole trader/partnership for the Heating Industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Schwank UKschwank.co.ukHQ: Doncaster, United KingdomReported employees: 11-50 | Doncaster, United Kingdom | 11-50 | Exact match | 17 contacts → |
“The Schwank Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  JET Environmental Systems LTDjetenvironmental.comHQ: Solihull, United KingdomReported employees: 11-50 | Solihull, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Jet Environmental designs, manufactures, installs and maintains heating, ventilation and cooling systems for large volume, industrial, commercial warehouses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Secon Renewablesseconrenewables.comHQ: Sunderland, United KingdomReported employees: 11-50 | Sunderland, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Genuinely Independent distributors of renewable products throughout the UK and Ireland for over 25 years!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Payne's Heating & Plumbing Services LTDpaynes-heating.co.ukHQ: Uckfield, United KingdomReported employees: 51-200 | Uckfield, United Kingdom | 51-200 | Exact match | 16 contacts → |
“Paynes has been established since 1982, as plumbing and heating specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Townrock Energytownrock.comHQ: Edinburgh City, United KingdomReported employees: 11-50 | Edinburgh City, United Kingdom | 11-50 | Exact match | 16 contacts → |
“We are an award-winning geothermal company based in Edinburgh, Scotland and a leading specialist in all aspects of the UK’s geothermal resources.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  IMS Heat Pumps Limitedimsheatpumps.co.ukHQ: Perth, United KingdomReported employees: 11-50 | Perth, United Kingdom | 11-50 | Exact match | 15 contacts → |
“IMS Heat Pumps designs and installs air source, ground source and water source heat pump systems for self-build, renovation, retrofit, custom-build and new-build projects across…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Better Planetbetterplanet.co.ukHQ: Potters Bar, United KingdomReported employees: 11-50 | Potters Bar, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Better Planet was founded in 2004 with a vision to make it easier and more affordable to use green alternatives for heating and electricity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Premier Heating Solutionspremierheatingsolutions.co.ukHQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At Premier Heating Solutions, we provide homeowners across Berkshire, South Oxfordshire, and North Hampshire with reliable, energy-efficient plumbing, heating and electrical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Cinergicinergi.co.ukHQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At Cinergi, we bring over 50 years of combined expertise in both domestic and commercial energy sectors, upheld by a team of highly-accredited engineers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 376 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Geothermal system suppliers: dataset insights
November 6, 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
360 records in the displayed employee bands.
16 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 376 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: November 6, 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 suppliers?
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 suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 376 matching company records, 3,371 tracked contacts and 919 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: November 6, 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 suppliers by geography
- Geothermal system suppliers based in Australia
- Geothermal system suppliers based in Austria
- Geothermal system suppliers based in Belgium
- Geothermal system suppliers based in Canada
- Geothermal system suppliers based in Czechia
- Geothermal system suppliers based in Denmark
- Geothermal system suppliers based in Finland
- Geothermal system suppliers based in France
- Geothermal system suppliers based in Germany
- Geothermal system suppliers based in Ireland
- Geothermal system suppliers based in Italy
- Geothermal system suppliers based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 geothermal system suppliers based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/geothermal-system-suppliers/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 suppliers based in Australia
- Geothermal system suppliers based in Austria
- Geothermal system suppliers based in Belgium
- Geothermal system suppliers based in Canada
- Geothermal system suppliers based in Czechia
- Geothermal system suppliers based in Denmark
Company intelligence · public preview
Top 25 geothermal system suppliers based in the United Kingdom
RevenueBase records 376 matching company records for geothermal system suppliers based in the United Kingdom, with 3,371 tracked contacts and 919 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: November 6, 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 suppliers 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 | 865 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vaillant UKvaillant.co.uk HQ: Belper, United KingdomReported employees: 501-1,000 | Belper, United Kingdom | 501-1,000 | Exact match | 195 contacts → |
“What does it take to deliver confidence at every stage of the heating journey?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | KENSAkensa.co.uk HQ: Truro, United KingdomReported employees: 51-200 | Truro, United Kingdom | 51-200 | Exact match | 134 contacts → |
“The UK’s heating system is stuck in the past, costing people and the planet too much.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Grant Engineering UK LTDgrantuk.com HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 123 contacts → |
“We are a leading supplier of sustainable heating systems, including HVO boilers, air source heat pumps, solar thermal, hot water storage cylinders, aluminium radiators and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Rendescorendesco.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 69 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Pure Renewablespurerenewables.com HQ: Hull, United KingdomReported employees: 11-50 | Hull, United Kingdom | 11-50 | Exact match | 42 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Oceanair UK LTDoceanairuk.com HQ: Mansfield, United KingdomReported employees: 11-50 | Mansfield, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Oceanair is an award-winning distributor of air conditioning and heating products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Johnson & Starley LTDjohnsonandstarley.co.uk HQ: Northampton, United KingdomReported employees: 51-200 | Northampton, United Kingdom | 51-200 | Exact match | 29 contacts → |
“As a market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Jaga UKjaga.com HQ: Ledbury, United KingdomReported employees: 11-50 | Ledbury, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Ensuring a better indoor climate without damaging the outdoor climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nerg LTDnerg.co.uk HQ: Lincoln, United KingdomReported employees: 11-50 | Lincoln, United Kingdom | 11-50 | Exact match | 24 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Thermal Earth Limitedthermalearth.co.uk HQ: Ammanford, United KingdomReported employees: 11-50 | Ammanford, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Thermal Earth is a leading UK distributor of renewable heating technologies incorporating wood biomass boilers, heat pumps and solar thermal systems based in South Wales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nicholls Boreholes & Ground Sourcenichollsboreholes.co.uk HQ: Kirdford, United KingdomReported employees: 51-200 | Kirdford, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HEX Energy LTDhexenergy.co.uk HQ: Nuneaton, United KingdomReported employees: 11-50 | Nuneaton, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Our aim is to provide renewable energy systems for properties that would clearly benefit from them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Home & Industrial Heating Services Limitedhomeindgroup.co.uk HQ: Eastleigh, United KingdomReported employees: 11-50 | Eastleigh, United Kingdom | 11-50 | Exact match | 18 contacts → |
“H&I (Home & Industrial) Heating was established in 1972 as a sole trader/partnership for the Heating Industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Schwank UKschwank.co.uk HQ: Doncaster, United KingdomReported employees: 11-50 | Doncaster, United Kingdom | 11-50 | Exact match | 17 contacts → |
“The Schwank Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | JET Environmental Systems LTDjetenvironmental.com HQ: Solihull, United KingdomReported employees: 11-50 | Solihull, United Kingdom | 11-50 | Exact match | 17 contacts → |
“Jet Environmental designs, manufactures, installs and maintains heating, ventilation and cooling systems for large volume, industrial, commercial warehouses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Secon Renewablesseconrenewables.com HQ: Sunderland, United KingdomReported employees: 11-50 | Sunderland, United Kingdom | 11-50 | Exact match | 16 contacts → |
“Genuinely Independent distributors of renewable products throughout the UK and Ireland for over 25 years!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Payne's Heating & Plumbing Services LTDpaynes-heating.co.uk HQ: Uckfield, United KingdomReported employees: 51-200 | Uckfield, United Kingdom | 51-200 | Exact match | 16 contacts → |
“Paynes has been established since 1982, as plumbing and heating specialists.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Townrock Energytownrock.com HQ: Edinburgh City, United KingdomReported employees: 11-50 | Edinburgh City, United Kingdom | 11-50 | Exact match | 16 contacts → |
“We are an award-winning geothermal company based in Edinburgh, Scotland and a leading specialist in all aspects of the UK’s geothermal resources.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IMS Heat Pumps Limitedimsheatpumps.co.uk HQ: Perth, United KingdomReported employees: 11-50 | Perth, United Kingdom | 11-50 | Exact match | 15 contacts → |
“IMS Heat Pumps designs and installs air source, ground source and water source heat pump systems for self-build, renovation, retrofit, custom-build and new-build projects across…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Better Planetbetterplanet.co.uk HQ: Potters Bar, United KingdomReported employees: 11-50 | Potters Bar, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Better Planet was founded in 2004 with a vision to make it easier and more affordable to use green alternatives for heating and electricity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Premier Heating Solutionspremierheatingsolutions.co.uk HQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At Premier Heating Solutions, we provide homeowners across Berkshire, South Oxfordshire, and North Hampshire with reliable, energy-efficient plumbing, heating and electrical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cinergicinergi.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At Cinergi, we bring over 50 years of combined expertise in both domestic and commercial energy sectors, upheld by a team of highly-accredited engineers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 376 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Geothermal system suppliers: dataset insights
November 6, 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
360 records in the displayed employee bands.
16 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 376 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: November 6, 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 suppliers?
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 suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 376 matching company records, 3,371 tracked contacts and 919 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: November 6, 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 suppliers by geography
- Geothermal system suppliers based in Australia
- Geothermal system suppliers based in Austria
- Geothermal system suppliers based in Belgium
- Geothermal system suppliers based in Canada
- Geothermal system suppliers based in Czechia
- Geothermal system suppliers based in Denmark
- Geothermal system suppliers based in Finland
- Geothermal system suppliers based in France
- Geothermal system suppliers based in Germany
- Geothermal system suppliers based in Ireland
- Geothermal system suppliers based in Italy
- Geothermal system suppliers based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 geothermal system suppliers based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/geothermal-system-suppliers/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 suppliers based in Australia
- Geothermal system suppliers based in Austria
- Geothermal system suppliers based in Belgium
- Geothermal system suppliers based in Canada
- Geothermal system suppliers based in Czechia
- Geothermal system suppliers based in Denmark