Company lists · Data refreshed October 2026
Top 25 Geothermal retrofit contractors based in the United Kingdom
RevenueBase identified 136 company matches for geothermal retrofit contractors associated with the United Kingdom as of October 2026 and tracks 806 professional contacts across them, including 258 with verified work emails. London is the largest hub.
This list covers company matches for geothermal retrofit contractors associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 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 retrofit contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 42 contacts → | ||||
Exact match “At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 23 contacts → | ||||
Exact match “MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 22 contacts → | ||||
Exact match “RetrofitWorks is a ‘not for private profit’ co-operative, matching communities & homeowners who want to retrofit their homes, with local, quality assured SME assessors and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 21 contacts → | ||||
Exact match “Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 18 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 17 contacts → | ||||
Exact match “Over the past 25 years JK (Janssen & Krop) has acquired more than one million square meters of knowledge and experience of in-ground underfloor heating in many European countries.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 16 contacts → | ||||
Exact match “Paynes has been established since 1982, as plumbing and heating specialists.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “At Value Optimised Retrofit (VOR), we are committed to empowering communities and businesses with affordable and sustainable retrofit solutions, transforming the built environment…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 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 · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “From our humble beginnings in the heart of Lancashire, to becoming one of the UK’s most trusted retrofit advisors and installers, we are fully licensed, accredited and meet all…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “Having previously worked for a large national mechanical electrical contractor in the renewable energy department, we saw a gap in the renewable energy market for quality ground…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Wise Green Energy are a renewable energy installer based in Norwich, our team have over 26 years industry knowledge in all areas of the renewable energy sector.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “Home Efficient is a UK-based retrofit installer delivering PAS 2035–compliant whole-house energy efficiency upgrades.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 11 contacts → | ||||
Exact match “Solaris Energy was formed in January 2017 with the core of our business being focused solely on the design and installation of ground and air source heat pumps.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “The team at Genius Energy Lab have been designing Ground Source Heat Pump systems for over 20 years and consider ourselves the best at what we do.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “We are a not-for-profit retrofit service in North West England, offering clear, independent advice and support to help plan, procure and deliver householder retrofit projects to a…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 10 contacts → | ||||
Exact match “Smart, sustainable heating and cooling, powered by the earth.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “JKN Renewables are specialists in the installation of low energy heating, cooling and hot water systems.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “Eco Efficient Home Solutions (EEH Solutions) is a trusted provider of energy efficiency and retrofit services, specializing in sustainable solutions that meet the highest industry…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “We specialise in Geothermal Ground Source Boreholes and Water Boreholes up to 300m.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “With a combined experience of over 30 years, GRS ECO provide an end-to-end retrofit service from initial enquiry through to survey, coordination and installation giving households…” Recorded in the RevenueBase company graph · Oct 13, 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 retrofit contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 136 geothermal retrofit contractors based in the United Kingdom
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Geothermal retrofit contractors based in the United Kingdom at a glance
As of Oct 13, 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 136 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 retrofit contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 258 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 13, 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 retrofit contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal retrofit contractors are there based in the United Kingdom?
RevenueBase identified 136 company matches for geothermal retrofit contractors associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Green Home Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal retrofit contractors?
London leads with 13 company records, followed by Manchester (3) and Aberdeen (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 258 professional contacts with verified work emails tracked across these 136 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 136 geothermal retrofit contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Geothermal retrofit contractors by geography
- Geothermal retrofit contractors based in Belgium
- Geothermal retrofit contractors based in Canada
- Geothermal retrofit contractors based in Finland
- Geothermal retrofit contractors based in France
- Geothermal retrofit contractors based in Germany
- Geothermal retrofit contractors based in Ireland
- Geothermal retrofit contractors based in Italy
- Geothermal retrofit contractors based in the Netherlands
- Geothermal retrofit contractors based in Spain
- Geothermal retrofit contractors based in Switzerland
- Geothermal retrofit contractors based in the United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal retrofit contractors based in Belgium
- Geothermal retrofit contractors based in Canada
- Geothermal retrofit contractors based in Finland
- Geothermal retrofit contractors based in France
- Geothermal retrofit contractors based in Germany
- Geothermal retrofit contractors based in Ireland
Company intelligence · public preview
Top 25 geothermal retrofit contractors based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 136 matching company records for geothermal retrofit contractors based in the United Kingdom, with 806 tracked contacts and 258 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 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 retrofit contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Green Home Systemsgreenhomesystems.co.uk HQ: Irvine, United KingdomReported employees: 51-200 | Irvine, United Kingdom | 51-200 | Exact match | 42 contacts → |
“At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Macbrookgas LTDmacbrookgas.co.uk HQ: Banham, United KingdomReported employees: 51-200 | Banham, United Kingdom | 51-200 | Exact match | 23 contacts → |
“MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Retrofitworks Co-Operativeretrofitworks.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“RetrofitWorks is a ‘not for private profit’ co-operative, matching communities & homeowners who want to retrofit their homes, with local, quality assured SME assessors and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nicholls Boreholes & Ground Sourcenichollsboreholes.co.uk HQ: Kirdford, United KingdomReported employees: 51-200 | Kirdford, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HEX Energy LTDhexenergy.co.uk HQ: Nuneaton, United KingdomReported employees: 11-50 | Nuneaton, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Our aim is to provide renewable energy systems for properties that would clearly benefit from them.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | JK Floorheating United Kingdomjk-gb.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“Over the past 25 years JK (Janssen & Krop) has acquired more than one million square meters of knowledge and experience of in-ground underfloor heating in many European countries.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bayview Contracts LTDbayviewcontracts.com HQ: Newry, United KingdomReported employees: 11-50 | Newry, United Kingdom | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Value Optimised Retrofitvorgroup.co.uk HQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At Value Optimised Retrofit (VOR), we are committed to empowering communities and businesses with affordable and sustainable retrofit solutions, transforming the built environment…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Euro Energy Groupeuroenergygroup.co.uk HQ: Accrington, United KingdomReported employees: 11-50 | Accrington, United Kingdom | 11-50 | Exact match | 13 contacts → |
“From our humble beginnings in the heart of Lancashire, to becoming one of the UK’s most trusted retrofit advisors and installers, we are fully licensed, accredited and meet all…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Renewable Heat Installations And Servicingrenewableheat.com HQ: Falkirk, United KingdomReported employees: 11-50 | Falkirk, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Having previously worked for a large national mechanical electrical contractor in the renewable energy department, we saw a gap in the renewable energy market for quality ground…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wise Green Energy LTDwisegreenenergy.co.uk HQ: Norwich, United KingdomReported employees: 11-50 | Norwich, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Wise Green Energy are a renewable energy installer based in Norwich, our team have over 26 years industry knowledge in all areas of the renewable energy sector.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Home Efficient LTDhomeefficient.co.uk HQ: Luton, United KingdomReported employees: 11-50 | Luton, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Home Efficient is a UK-based retrofit installer delivering PAS 2035–compliant whole-house energy efficiency upgrades.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Solaris Energysolaris-energy.co.uk HQ: Canterbury, United KingdomReported employees: 11-50 | Canterbury, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Solaris Energy was formed in January 2017 with the core of our business being focused solely on the design and installation of ground and air source heat pumps.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Genius Energy LAB Ground Source Heat Pump System And Heat Network Designersgeniusenergylab.com HQ: Market Bosworth, United KingdomReported employees: 11-50 | Market Bosworth, United Kingdom | 11-50 | Exact match | 10 contacts → |
“The team at Genius Energy Lab have been designing Ground Source Heat Pump systems for over 20 years and consider ourselves the best at what we do.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | People Powered Retrofitretrofit.coop HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are a not-for-profit retrofit service in North West England, offering clear, independent advice and support to help plan, procure and deliver householder retrofit projects to a…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Erda Energyerdaenergy.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“Smart, sustainable heating and cooling, powered by the earth.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | JKN Renewables LTDjknrenewables.co.uk HQ: Doncaster, United KingdomReported employees: 1-10 | Doncaster, United Kingdom | 1-10 | Exact match | 10 contacts → |
“JKN Renewables are specialists in the installation of low energy heating, cooling and hot water systems.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  EEH Solutionseeh-s.comHQ: Harlow, United KingdomReported employees: 11-50 | Harlow, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Eco Efficient Home Solutions (EEH Solutions) is a trusted provider of energy efficiency and retrofit services, specializing in sustainable solutions that meet the highest industry…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Synergy Boreholes LTDsynergyboreholes.co.uk HQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 9 contacts → |
“We specialise in Geothermal Ground Source Boreholes and Water Boreholes up to 300m.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | GRS ECOgrs-eco.co.uk HQ: Colwyn Bay, United KingdomReported employees: 1-10 | Colwyn Bay, United Kingdom | 1-10 | Exact match | 8 contacts → |
“With a combined experience of over 30 years, GRS ECO provide an end-to-end retrofit service from initial enquiry through to survey, coordination and installation giving households…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 136 company matches
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Geothermal retrofit contractors: dataset insights
October 13, 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
134 records in the displayed employee bands.
2 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 136 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 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 retrofit contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many geothermal retrofit contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 136 matching company records, 806 tracked contacts and 258 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 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 retrofit contractors by geography
- Geothermal retrofit contractors based in Belgium
- Geothermal retrofit contractors based in Canada
- Geothermal retrofit contractors based in Finland
- Geothermal retrofit contractors based in France
- Geothermal retrofit contractors based in Germany
- Geothermal retrofit contractors based in Ireland
- Geothermal retrofit contractors based in Italy
- Geothermal retrofit contractors based in the Netherlands
- Geothermal retrofit contractors based in Spain
- Geothermal retrofit contractors based in Switzerland
- Geothermal retrofit contractors based in the United States
Cite this list
RevenueBase Data Team. Top 25 geothermal retrofit contractors based in the United Kingdom. Snapshot: October 13, 2026. https://revenuebase.ai/companies/geothermal-retrofit-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal retrofit contractors based in Belgium
- Geothermal retrofit contractors based in Canada
- Geothermal retrofit contractors based in Finland
- Geothermal retrofit contractors based in France
- Geothermal retrofit contractors based in Germany
- Geothermal retrofit contractors based in Ireland
Company intelligence · public preview
Top 25 geothermal retrofit contractors based in the United Kingdom
RevenueBase records 136 matching company records for geothermal retrofit contractors based in the United Kingdom, with 806 tracked contacts and 258 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 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 retrofit contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Green Home Systemsgreenhomesystems.co.uk HQ: Irvine, United KingdomReported employees: 51-200 | Irvine, United Kingdom | 51-200 | Exact match | 42 contacts → |
“At Green Home Systems, we deliver whole-house retrofit solutions that make homes warmer, more energy efficient, and lower cost to run.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Macbrookgas LTDmacbrookgas.co.uk HQ: Banham, United KingdomReported employees: 51-200 | Banham, United Kingdom | 51-200 | Exact match | 23 contacts → |
“MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Retrofitworks Co-Operativeretrofitworks.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“RetrofitWorks is a ‘not for private profit’ co-operative, matching communities & homeowners who want to retrofit their homes, with local, quality assured SME assessors and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nicholls Boreholes & Ground Sourcenichollsboreholes.co.uk HQ: Kirdford, United KingdomReported employees: 51-200 | Kirdford, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Nicholls Boreholes & Ground Source is an established, industry leading, family-run, specialist drilling company.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HEX Energy LTDhexenergy.co.uk HQ: Nuneaton, United KingdomReported employees: 11-50 | Nuneaton, United Kingdom | 11-50 | Exact match | 18 contacts → |
“Our aim is to provide renewable energy systems for properties that would clearly benefit from them.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | JK Floorheating United Kingdomjk-gb.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“Over the past 25 years JK (Janssen & Krop) has acquired more than one million square meters of knowledge and experience of in-ground underfloor heating in many European countries.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bayview Contracts LTDbayviewcontracts.com HQ: Newry, United KingdomReported employees: 11-50 | Newry, United Kingdom | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Value Optimised Retrofitvorgroup.co.uk HQ: Bristol, United KingdomReported employees: 11-50 | Bristol, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At Value Optimised Retrofit (VOR), we are committed to empowering communities and businesses with affordable and sustainable retrofit solutions, transforming the built environment…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Euro Energy Groupeuroenergygroup.co.uk HQ: Accrington, United KingdomReported employees: 11-50 | Accrington, United Kingdom | 11-50 | Exact match | 13 contacts → |
“From our humble beginnings in the heart of Lancashire, to becoming one of the UK’s most trusted retrofit advisors and installers, we are fully licensed, accredited and meet all…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Renewable Heat Installations And Servicingrenewableheat.com HQ: Falkirk, United KingdomReported employees: 11-50 | Falkirk, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Having previously worked for a large national mechanical electrical contractor in the renewable energy department, we saw a gap in the renewable energy market for quality ground…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wise Green Energy LTDwisegreenenergy.co.uk HQ: Norwich, United KingdomReported employees: 11-50 | Norwich, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Wise Green Energy are a renewable energy installer based in Norwich, our team have over 26 years industry knowledge in all areas of the renewable energy sector.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Home Efficient LTDhomeefficient.co.uk HQ: Luton, United KingdomReported employees: 11-50 | Luton, United Kingdom | 11-50 | Exact match | 12 contacts → |
“Home Efficient is a UK-based retrofit installer delivering PAS 2035–compliant whole-house energy efficiency upgrades.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Solaris Energysolaris-energy.co.uk HQ: Canterbury, United KingdomReported employees: 11-50 | Canterbury, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Solaris Energy was formed in January 2017 with the core of our business being focused solely on the design and installation of ground and air source heat pumps.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Genius Energy LAB Ground Source Heat Pump System And Heat Network Designersgeniusenergylab.com HQ: Market Bosworth, United KingdomReported employees: 11-50 | Market Bosworth, United Kingdom | 11-50 | Exact match | 10 contacts → |
“The team at Genius Energy Lab have been designing Ground Source Heat Pump systems for over 20 years and consider ourselves the best at what we do.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | People Powered Retrofitretrofit.coop HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 10 contacts → |
“We are a not-for-profit retrofit service in North West England, offering clear, independent advice and support to help plan, procure and deliver householder retrofit projects to a…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Erda Energyerdaenergy.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 10 contacts → |
“Smart, sustainable heating and cooling, powered by the earth.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | JKN Renewables LTDjknrenewables.co.uk HQ: Doncaster, United KingdomReported employees: 1-10 | Doncaster, United Kingdom | 1-10 | Exact match | 10 contacts → |
“JKN Renewables are specialists in the installation of low energy heating, cooling and hot water systems.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | EEH Solutionseeh-s.com HQ: Harlow, United KingdomReported employees: 11-50 | Harlow, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Eco Efficient Home Solutions (EEH Solutions) is a trusted provider of energy efficiency and retrofit services, specializing in sustainable solutions that meet the highest industry…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Synergy Boreholes LTDsynergyboreholes.co.uk HQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 9 contacts → |
“We specialise in Geothermal Ground Source Boreholes and Water Boreholes up to 300m.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | GRS ECOgrs-eco.co.uk HQ: Colwyn Bay, United KingdomReported employees: 1-10 | Colwyn Bay, United Kingdom | 1-10 | Exact match | 8 contacts → |
“With a combined experience of over 30 years, GRS ECO provide an end-to-end retrofit service from initial enquiry through to survey, coordination and installation giving households…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 136 company matches
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Geothermal retrofit contractors: dataset insights
October 13, 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
134 records in the displayed employee bands.
2 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 136 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 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 retrofit contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many geothermal retrofit contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 136 matching company records, 806 tracked contacts and 258 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 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 retrofit contractors by geography
- Geothermal retrofit contractors based in Belgium
- Geothermal retrofit contractors based in Canada
- Geothermal retrofit contractors based in Finland
- Geothermal retrofit contractors based in France
- Geothermal retrofit contractors based in Germany
- Geothermal retrofit contractors based in Ireland
- Geothermal retrofit contractors based in Italy
- Geothermal retrofit contractors based in the Netherlands
- Geothermal retrofit contractors based in Spain
- Geothermal retrofit contractors based in Switzerland
- Geothermal retrofit contractors based in the United States
Cite this list
RevenueBase Data Team. Top 25 geothermal retrofit contractors based in the United Kingdom. Snapshot: October 13, 2026. https://revenuebase.ai/companies/geothermal-retrofit-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Geothermal retrofit contractors based in Belgium
- Geothermal retrofit contractors based in Canada
- Geothermal retrofit contractors based in Finland
- Geothermal retrofit contractors based in France
- Geothermal retrofit contractors based in Germany
- Geothermal retrofit contractors based in Ireland