Company lists · Data refreshed November 2026
Top 25 Sustainable heating system contractors based in the United Kingdom
RevenueBase identified 2,339 company matches for sustainable heating system contractors associated with the United Kingdom as of November 2026 and tracks 17,368 professional contacts across them, including 5,519 with verified work emails. London is the largest hub.
This list covers company matches for sustainable heating system 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 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 sustainable heating system contractors 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 | 771 contacts → | ||||
Exact match “Our 30+ years’ experience have involved us in the creation of major UK district heating networks in areas such as Sheffield, Nottingham and London.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 261 contacts → | ||||
Exact match “Sureserve aim to be the trusted partner of choice to the social housing and related public sector in delivering essential and affordable heating, energy savings, and compliance…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 162 contacts → | ||||
Exact match “Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for residential heat networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 153 contacts → | ||||
Exact match “As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 144 contacts → | ||||
Exact match “Smith & Byford is a family-owned and operated building services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 132 contacts → | ||||
Exact match “We are Bring Energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 128 contacts → | ||||
Exact match “Robert Heath Heating is a leading provider of heating, hot water and electrical solutions for the social housing sector and private clients in the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 125 contacts → | ||||
Exact match “Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 123 contacts → | ||||
Exact match “As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 120 contacts → | ||||
Exact match “Neil Fisher started Airco in 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 120 contacts → | ||||
Exact match “CCS provides professional compliance, energy and retrofit services to the social housing sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 119 contacts → | ||||
Exact match “Hometree is a home energy services company on a mission to accelerate the transition to net zero.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 99 contacts → | ||||
Exact match “SAV Systems is an established provider of energy-efficient heating and ventilation solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 97 contacts → | ||||
Exact match “At City Energy Network, we help households across the UK improve energy efficiency, cut bills, and reduce carbon emissions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 93 contacts → | ||||
Exact match “We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 92 contacts → | ||||
Exact match “We specialise in a whole range of professional, gas, heating and boiler services, as well as home insulation and PV throughout UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 87 contacts → | ||||
Exact match “CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 85 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 79 contacts → | ||||
Exact match “Established in 2016, we have grown to become one of the most reputable and reliable specialists within the renewable, heating, and insulation sectors in the United Kingdom.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 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 | |||||
| 25 | 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 | |||||
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 “sustainable heating system 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 2,339 sustainable heating system contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 5,519 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sustainable heating system contractors 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 2,339 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 “sustainable heating system 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 5,519 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.
Sustainable heating system contractors by metro
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 “sustainable heating system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sustainable heating system contractors are there based in the United Kingdom?
RevenueBase identified 2,339 company matches for sustainable heating system contractors 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 sustainable heating system contractors?
London leads with 131 company records, followed by Glasgow (35) and Bristol (34).
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 5,519 professional contacts with verified work emails tracked across these 2,339 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 2,339 sustainable heating system contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Sustainable heating system contractors by geography
- Sustainable heating system contractors based in Berlin, Germany
- Sustainable heating system contractors based in Bristol, United Kingdom
- Sustainable heating system contractors based in Glasgow, United Kingdom
- Sustainable heating system contractors based in London, United Kingdom
- Sustainable heating system contractors based in Australia
- Sustainable heating system contractors based in Austria
- Sustainable heating system contractors based in Belgium
- Sustainable heating system contractors based in Brazil
- Sustainable heating system contractors based in Canada
- Sustainable heating system contractors based in Czechia
- Sustainable heating system contractors based in Denmark
- Sustainable heating system contractors based in Finland
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
- Sustainable heating system contractors based in Berlin, Germany
- Sustainable heating system contractors based in Bristol, United Kingdom
- Sustainable heating system contractors based in Glasgow, United Kingdom
- Sustainable heating system contractors based in London, United Kingdom
- Sustainable heating system contractors based in Australia
- Sustainable heating system contractors based in Austria
Company intelligence · public preview
Top 25 sustainable heating system 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 2,339 matching company records for sustainable heating system contractors based in the United Kingdom, with 17,368 tracked contacts and 5,519 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 sustainable heating system 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 |  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 |  Vital Energivitalenergi.co.ukHQ: Blackburn, United KingdomReported employees: 501-1,000 | Blackburn, United Kingdom | 501-1,000 | Exact match | 771 contacts → |
“Our 30+ years’ experience have involved us in the creation of major UK district heating networks in areas such as Sheffield, Nottingham and London.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sureservesureserve.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 261 contacts → |
“Sureserve aim to be the trusted partner of choice to the social housing and related public sector in delivering essential and affordable heating, energy savings, and compliance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  Switch2 Energy Limitedswitch2.co.ukHQ: Shipley, United KingdomReported employees: 201-500 | Shipley, United Kingdom | 201-500 | Exact match | 162 contacts → |
“Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for residential heat networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Swale Heating Part Of Sureserveswaleheating.comHQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 153 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Smith & Byfordsmithandbyford.comHQ: Cheam, United KingdomReported employees: 201-500 | Cheam, United Kingdom | 201-500 | Exact match | 144 contacts → |
“Smith & Byford is a family-owned and operated building services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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. | |||||
| 9 |  Bring Energybringenergy.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 132 contacts → |
“We are Bring Energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Robert Heath Heatingrobertheath.co.ukHQ: New Malden, United KingdomReported employees: 201-500 | New Malden, United Kingdom | 201-500 | Exact match | 128 contacts → |
“Robert Heath Heating is a leading provider of heating, hot water and electrical solutions for the social housing sector and private clients in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Glow Greenglowgreenltd.comHQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 125 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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. | |||||
| 13 |  AESaes-smart.xyzHQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 123 contacts → |
“As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Airco Refrigeration And AIR Conditioning LTDairco.co.ukHQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Correct Contract Services CCScorrectcs.co.ukHQ: Andover, United KingdomReported employees: 201-500 | Andover, United Kingdom | 201-500 | Exact match | 120 contacts → |
“CCS provides professional compliance, energy and retrofit services to the social housing sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hometreehometree.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 119 contacts → |
“Hometree is a home energy services company on a mission to accelerate the transition to net zero.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  SAV Systemssav-systems.comHQ: Woking, United KingdomReported employees: 51-200 | Woking, United Kingdom | 51-200 | Exact match | 99 contacts → |
“SAV Systems is an established provider of energy-efficient heating and ventilation solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  City Energy Networkcityenergy.co.ukHQ: Cardiff, United KingdomReported employees: 51-200 | Cardiff, United Kingdom | 51-200 | Exact match | 97 contacts → |
“At City Energy Network, we help households across the UK improve energy efficiency, cut bills, and reduce carbon emissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  BOXTboxt.co.ukHQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 93 contacts → |
“We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  0800 Repair0800repair.comHQ: Houghton-le-spring, United KingdomReported employees: 201-500 | Houghton-le-spring, United Kingdom | 201-500 | Exact match | 92 contacts → |
“We specialise in a whole range of professional, gas, heating and boiler services, as well as home insulation and PV throughout UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CPS Building Services LTDcpsbuildingservices.co.ukHQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 87 contacts → |
“CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Purdy Part Of Sureservepurdycontracts.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 85 contacts → |
“Who are we?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Next Energynextenergyuk.co.ukHQ: Knowsley, United KingdomReported employees: 51-200 | Knowsley, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Established in 2016, we have grown to become one of the most reputable and reliable specialists within the renewable, heating, and insulation sectors in the United Kingdom.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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. | |||||
| 25 |  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. | |||||
Showing 25 of 2,339 company matches
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Sustainable heating system contractors: 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
2,207 records in the displayed employee bands.
132 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 2,339 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 ↗
Sustainable heating system contractors by metro
Questions about this company list
What does Exact match mean for sustainable heating system 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 sustainable heating system contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,339 matching company records, 17,368 tracked contacts and 5,519 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
Sustainable heating system contractors by geography
- Sustainable heating system contractors based in Berlin, Germany
- Sustainable heating system contractors based in Bristol, United Kingdom
- Sustainable heating system contractors based in Glasgow, United Kingdom
- Sustainable heating system contractors based in London, United Kingdom
- Sustainable heating system contractors based in Australia
- Sustainable heating system contractors based in Austria
- Sustainable heating system contractors based in Belgium
- Sustainable heating system contractors based in Brazil
- Sustainable heating system contractors based in Canada
- Sustainable heating system contractors based in Czechia
- Sustainable heating system contractors based in Denmark
- Sustainable heating system contractors based in Finland
Cite this list
RevenueBase Data Team. Top 25 sustainable heating system contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/sustainable-heating-system-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
- Sustainable heating system contractors based in Berlin, Germany
- Sustainable heating system contractors based in Bristol, United Kingdom
- Sustainable heating system contractors based in Glasgow, United Kingdom
- Sustainable heating system contractors based in London, United Kingdom
- Sustainable heating system contractors based in Australia
- Sustainable heating system contractors based in Austria
Company intelligence · public preview
Top 25 sustainable heating system contractors based in the United Kingdom
RevenueBase records 2,339 matching company records for sustainable heating system contractors based in the United Kingdom, with 17,368 tracked contacts and 5,519 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 sustainable heating system 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 | 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 | Vital Energivitalenergi.co.uk HQ: Blackburn, United KingdomReported employees: 501-1,000 | Blackburn, United Kingdom | 501-1,000 | Exact match | 771 contacts → |
“Our 30+ years’ experience have involved us in the creation of major UK district heating networks in areas such as Sheffield, Nottingham and London.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sureservesureserve.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 261 contacts → |
“Sureserve aim to be the trusted partner of choice to the social housing and related public sector in delivering essential and affordable heating, energy savings, and compliance…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Switch2 Energy Limitedswitch2.co.uk HQ: Shipley, United KingdomReported employees: 201-500 | Shipley, United Kingdom | 201-500 | Exact match | 162 contacts → |
“Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for residential heat networks.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Swale Heating Part Of Sureserveswaleheating.com HQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 153 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Smith & Byfordsmithandbyford.com HQ: Cheam, United KingdomReported employees: 201-500 | Cheam, United Kingdom | 201-500 | Exact match | 144 contacts → |
“Smith & Byford is a family-owned and operated building services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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. | |||||
| 9 | Bring Energybringenergy.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 132 contacts → |
“We are Bring Energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Robert Heath Heatingrobertheath.co.uk HQ: New Malden, United KingdomReported employees: 201-500 | New Malden, United Kingdom | 201-500 | Exact match | 128 contacts → |
“Robert Heath Heating is a leading provider of heating, hot water and electrical solutions for the social housing sector and private clients in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Glow Greenglowgreenltd.com HQ: Bournemouth, United KingdomReported employees: 51-200 | Bournemouth, United Kingdom | 51-200 | Exact match | 125 contacts → |
“Glow Green is one of the UK's leading installers of Solar Panels, Battery Storage, Heat Pumps, Boilers, AC Units, & EV Chargers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | AESaes-smart.xyz HQ: Enfield, United KingdomReported employees: 201-500 | Enfield, United Kingdom | 201-500 | Exact match | 123 contacts → |
“As renewable energy technology experts, we have the knowledge and skills to help commercial clients switch to a greener, lower cost and more independent energy source.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Airco Refrigeration And AIR Conditioning LTDairco.co.uk HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Correct Contract Services CCScorrectcs.co.uk HQ: Andover, United KingdomReported employees: 201-500 | Andover, United Kingdom | 201-500 | Exact match | 120 contacts → |
“CCS provides professional compliance, energy and retrofit services to the social housing sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hometreehometree.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 119 contacts → |
“Hometree is a home energy services company on a mission to accelerate the transition to net zero.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SAV Systemssav-systems.com HQ: Woking, United KingdomReported employees: 51-200 | Woking, United Kingdom | 51-200 | Exact match | 99 contacts → |
“SAV Systems is an established provider of energy-efficient heating and ventilation solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | City Energy Networkcityenergy.co.uk HQ: Cardiff, United KingdomReported employees: 51-200 | Cardiff, United Kingdom | 51-200 | Exact match | 97 contacts → |
“At City Energy Network, we help households across the UK improve energy efficiency, cut bills, and reduce carbon emissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | BOXTboxt.co.uk HQ: Leeds, United KingdomReported employees: 51-200 | Leeds, United Kingdom | 51-200 | Exact match | 93 contacts → |
“We started out as a trailblazing boiler installation company in 2017 – the first to offer everything effortlessly online.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 0800 Repair0800repair.com HQ: Houghton-le-spring, United KingdomReported employees: 201-500 | Houghton-le-spring, United Kingdom | 201-500 | Exact match | 92 contacts → |
“We specialise in a whole range of professional, gas, heating and boiler services, as well as home insulation and PV throughout UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CPS Building Services LTDcpsbuildingservices.co.uk HQ: Cambridge, United KingdomReported employees: 51-200 | Cambridge, United Kingdom | 51-200 | Exact match | 87 contacts → |
“CPS Building Services Ltd are experts in design, installation and maintenance of all mechanical and electrical services including renewables.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Purdy Part Of Sureservepurdycontracts.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 85 contacts → |
“Who are we?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Next Energynextenergyuk.co.uk HQ: Knowsley, United KingdomReported employees: 51-200 | Knowsley, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Established in 2016, we have grown to become one of the most reputable and reliable specialists within the renewable, heating, and insulation sectors in the United Kingdom.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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. | |||||
| 25 | 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. | |||||
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Sustainable heating system contractors: 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
2,207 records in the displayed employee bands.
132 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 2,339 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 ↗
Sustainable heating system contractors by metro
Questions about this company list
What does Exact match mean for sustainable heating system 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 sustainable heating system contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 2,339 matching company records, 17,368 tracked contacts and 5,519 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
Sustainable heating system contractors by geography
- Sustainable heating system contractors based in Berlin, Germany
- Sustainable heating system contractors based in Bristol, United Kingdom
- Sustainable heating system contractors based in Glasgow, United Kingdom
- Sustainable heating system contractors based in London, United Kingdom
- Sustainable heating system contractors based in Australia
- Sustainable heating system contractors based in Austria
- Sustainable heating system contractors based in Belgium
- Sustainable heating system contractors based in Brazil
- Sustainable heating system contractors based in Canada
- Sustainable heating system contractors based in Czechia
- Sustainable heating system contractors based in Denmark
- Sustainable heating system contractors based in Finland
Cite this list
RevenueBase Data Team. Top 25 sustainable heating system contractors based in the United Kingdom. Snapshot: November 6, 2026. https://revenuebase.ai/companies/sustainable-heating-system-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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