Company lists · Data refreshed September 2026
Top 25 Waste-to-heat companies based in the United Kingdom
RevenueBase identified 461 company matches for waste-to-heat companies associated with the United Kingdom as of September 2026 and tracks 9,926 professional contacts across them, including 4,348 with verified work emails. London is the largest hub.
This list covers company matches for waste-to-heat companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 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 waste-to-heat companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 850 contacts → | ||||
Exact match “We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 817 contacts → | ||||
Exact match “FCC Environment is one of the UK’s leading recycling and waste management companies.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 709 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 624 contacts → | ||||
Exact match “Greenergy is a leading supplier of waste-based renewables and transportation fuels with a proven track record of delivering highly reliable customer service.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 456 contacts → | ||||
Exact match “TWMA is the world’s drilling waste specialist; pioneering the best solutions & technology to turn waste into value.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 312 contacts → | ||||
Exact match “Olleco is one of the UK’s most progressive circular economy companies, leading the way for the food and hospitality industries to embrace a more sustainable future.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 264 contacts → | ||||
Exact match “Augean specialises in managing hard to handle wastes.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 235 contacts → | ||||
Exact match “Every day enfinium transforms waste into energy to help power homes, businesses and the circular economy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 191 contacts → | ||||
Exact match “LondonEnergy is the second-largest waste contract in the UK, handling and processing nearly tonnes of London’s waste every year.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 145 contacts → | ||||
Exact match “The NWH Group is a second-generation family business headquartered in Midlothian.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 140 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 139 contacts → | ||||
Exact match “Together to Zero.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 125 contacts → | ||||
Exact match “We are Bring Energy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 115 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 114 contacts → | ||||
Exact match “We are Seras, the sustainable fuel specialists.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 90 contacts → | ||||
Exact match “We are a leading renewable energy company specialising in organic waste recycling and the largest producer of renewable energy from food waste in the UK.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 88 contacts → | ||||
Exact match “We are the biggest waste management company in North Yorkshire.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 79 contacts → | ||||
Exact match “Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 72 contacts → | ||||
Exact match “Green’s is one of Europe’s largest providers of boiler pressure part equipment.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 65 contacts → | ||||
Exact match “ReFood is the European market leader in the field of disposal of organic waste from kitchens, canteens and retailers.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 63 contacts → | ||||
Exact match “Bio Capital owns and operates Anaerobic Digestion plants in the UK with a growing and diverse portfolio.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 60 contacts → | ||||
Exact match “Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 57 contacts → | ||||
Exact match “SAACKE is your qualified partner when it comes to highly efficient, reliable combustion plants with low emissions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 56 contacts → | ||||
Exact match “Malary Ltd specialize in the recycling of hazardous waste and the production of Processed Fuel Oil We operate 7 recycling plants from our licensed 3 acre treatment centre based in…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 54 contacts → | ||||
Exact match “2G Energy Ltd is the UK subsidiary of 2G Energy AG, a globally leading manufacturer of combined heat and power (CHP) plants.” Recorded in the RevenueBase company graph · Sep 22, 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 “waste-to-heat companies”. 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 461 waste-to-heat companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 4,348 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Waste-to-heat companies based in the United Kingdom at a glance
As of Sep 22, 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 461 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 “waste-to-heat companies” 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 4,348 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 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 “waste-to-heat companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many waste-to-heat companies are there based in the United Kingdom?
RevenueBase identified 461 company matches for waste-to-heat companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
BAXI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most waste-to-heat companies?
London leads with 61 company records, followed by Manchester (10) and Bristol (8).
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 4,348 professional contacts with verified work emails tracked across these 461 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 461 waste-to-heat companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Waste-to-heat companies by geography
- Waste-to-heat companies based in Australia
- Waste-to-heat companies based in Austria
- Waste-to-heat companies based in Belgium
- Waste-to-heat companies based in Brazil
- Waste-to-heat companies based in Canada
- Waste-to-heat companies based in Chile
- Waste-to-heat companies based in Czechia
- Waste-to-heat companies based in Denmark
- Waste-to-heat companies based in Finland
- Waste-to-heat companies based in France
- Waste-to-heat companies based in Germany
- Waste-to-heat companies based in India
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
Company intelligence · public preview
Top 25 waste-to-heat companies 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 461 matching company records for waste-to-heat companies based in the United Kingdom, with 9,926 tracked contacts and 4,348 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 waste-to-heat companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  BAXIbaxi.co.ukHQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 850 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  FCC Environmentfccenvironment.co.ukHQ: Doncaster, United KingdomReported employees: 1,001-5,000 | Doncaster, United Kingdom | 1,001-5,000 | Exact match | 817 contacts → |
“FCC Environment is one of the UK’s leading recycling and waste management companies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Vital Energi Utilities Limitedvitalenergi.co.ukHQ: Blackburn, United KingdomReported employees: 501-1,000 | Blackburn, United Kingdom | 501-1,000 | Exact match | 709 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Greenergygreenergy.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 624 contacts → |
“Greenergy is a leading supplier of waste-based renewables and transportation fuels with a proven track record of delivering highly reliable customer service.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  TWMAtwma.comHQ: Dyce, United KingdomReported employees: 501-1,000 | Dyce, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“TWMA is the world’s drilling waste specialist; pioneering the best solutions & technology to turn waste into value.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ollecoolleco.co.ukHQ: Northampton, United KingdomReported employees: 501-1,000 | Northampton, United Kingdom | 501-1,000 | Exact match | 312 contacts → |
“Olleco is one of the UK’s most progressive circular economy companies, leading the way for the food and hospitality industries to embrace a more sustainable future.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Augeanaugean.co.ukHQ: Wetherby, United KingdomReported employees: 501-1,000 | Wetherby, United Kingdom | 501-1,000 | Exact match | 264 contacts → |
“Augean specialises in managing hard to handle wastes.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Enfiniumenfinium.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 235 contacts → |
“Every day enfinium transforms waste into energy to help power homes, businesses and the circular economy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Londonenergylondonenergyltd.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 191 contacts → |
“LondonEnergy is the second-largest waste contract in the UK, handling and processing nearly tonnes of London’s waste every year.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  The NWH Groupnwhgroup.co.ukHQ: Dalkeith, United KingdomReported employees: 201-500 | Dalkeith, United Kingdom | 201-500 | Exact match | 145 contacts → |
“The NWH Group is a second-generation family business headquartered in Midlothian.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Switch2 Energy Limitedswitch2.co.uk HQ: Shipley, United KingdomReported employees: 201-500 | Shipley, United Kingdom | 201-500 | Exact match | 140 contacts → |
“Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for residential heat networks.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hemikohemiko.com HQ: Carlisle, United KingdomReported employees: 51-200 | Carlisle, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Together to Zero.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bring Energybringenergy.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 125 contacts → |
“We are Bring Energy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Grant Engineering UK LTDgrantuk.com HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 115 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Seras UKseras.co.ukHQ: Widnes, United KingdomReported employees: 201-500 | Widnes, United Kingdom | 201-500 | Exact match | 114 contacts → |
“We are Seras, the sustainable fuel specialists.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Severn Trent Green Powerstgreenpower.co.ukHQ: Chipping Norton, United KingdomReported employees: 51-200 | Chipping Norton, United Kingdom | 51-200 | Exact match | 90 contacts → |
“We are a leading renewable energy company specialising in organic waste recycling and the largest producer of renewable energy from food waste in the UK.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Yorwaste LTDyorwaste.co.ukHQ: Northallerton, United KingdomReported employees: 201-500 | Northallerton, United Kingdom | 201-500 | Exact match | 88 contacts → |
“We are the biggest waste management company in North Yorkshire.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Boustead International Heatersbihl.com HQ: Burgess Hill, United KingdomReported employees: 51-200 | Burgess Hill, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Green'sgreenspower.co.uk HQ: Wakefield, United KingdomReported employees: 51-200 | Wakefield, United Kingdom | 51-200 | Exact match | 72 contacts → |
“Green’s is one of Europe’s largest providers of boiler pressure part equipment.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Refood UKrefood.co.ukHQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 65 contacts → |
“ReFood is the European market leader in the field of disposal of organic waste from kitchens, canteens and retailers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  BIO Capitalbio-capital.co.ukHQ: Buntingford, United KingdomReported employees: 51-200 | Buntingford, United Kingdom | 51-200 | Exact match | 63 contacts → |
“Bio Capital owns and operates Anaerobic Digestion plants in the UK with a growing and diverse portfolio.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Rendescorendesco.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Saacke Combustion Services LTDsaacke.comHQ: Havant, United KingdomReported employees: 51-200 | Havant, United Kingdom | 51-200 | Exact match | 57 contacts → |
“SAACKE is your qualified partner when it comes to highly efficient, reliable combustion plants with low emissions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Malary LTDmalary.co.ukHQ: Cottenham, United KingdomReported employees: 51-200 | Cottenham, United Kingdom | 51-200 | Exact match | 56 contacts → |
“Malary Ltd specialize in the recycling of hazardous waste and the production of Processed Fuel Oil We operate 7 recycling plants from our licensed 3 acre treatment centre based in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  2g Energy LTD2-g.comHQ: Runcorn, United KingdomReported employees: 501-1,000 | Runcorn, United Kingdom | 501-1,000 | Exact match | 54 contacts → |
“2G Energy Ltd is the UK subsidiary of 2G Energy AG, a globally leading manufacturer of combined heat and power (CHP) plants.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 461 company matches
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Waste-to-heat companies: dataset insights
September 22, 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
455 records in the displayed employee bands.
6 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 461 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 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 waste-to-heat companies?
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 waste-to-heat companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 461 matching company records, 9,926 tracked contacts and 4,348 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 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
Waste-to-heat companies by geography
- Waste-to-heat companies based in Australia
- Waste-to-heat companies based in Austria
- Waste-to-heat companies based in Belgium
- Waste-to-heat companies based in Brazil
- Waste-to-heat companies based in Canada
- Waste-to-heat companies based in Chile
- Waste-to-heat companies based in Czechia
- Waste-to-heat companies based in Denmark
- Waste-to-heat companies based in Finland
- Waste-to-heat companies based in France
- Waste-to-heat companies based in Germany
- Waste-to-heat companies based in India
Cite this list
RevenueBase Data Team. Top 25 waste-to-heat companies based in the United Kingdom. Snapshot: September 22, 2026. https://revenuebase.ai/companies/waste-to-heat-companies/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
Company intelligence · public preview
Top 25 waste-to-heat companies based in the United Kingdom
RevenueBase records 461 matching company records for waste-to-heat companies based in the United Kingdom, with 9,926 tracked contacts and 4,348 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 waste-to-heat companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | BAXIbaxi.co.uk HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 850 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | FCC Environmentfccenvironment.co.uk HQ: Doncaster, United KingdomReported employees: 1,001-5,000 | Doncaster, United Kingdom | 1,001-5,000 | Exact match | 817 contacts → |
“FCC Environment is one of the UK’s leading recycling and waste management companies.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vital Energi Utilities Limitedvitalenergi.co.uk HQ: Blackburn, United KingdomReported employees: 501-1,000 | Blackburn, United Kingdom | 501-1,000 | Exact match | 709 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Greenergygreenergy.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 624 contacts → |
“Greenergy is a leading supplier of waste-based renewables and transportation fuels with a proven track record of delivering highly reliable customer service.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | TWMAtwma.com HQ: Dyce, United KingdomReported employees: 501-1,000 | Dyce, United Kingdom | 501-1,000 | Exact match | 456 contacts → |
“TWMA is the world’s drilling waste specialist; pioneering the best solutions & technology to turn waste into value.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ollecoolleco.co.uk HQ: Northampton, United KingdomReported employees: 501-1,000 | Northampton, United Kingdom | 501-1,000 | Exact match | 312 contacts → |
“Olleco is one of the UK’s most progressive circular economy companies, leading the way for the food and hospitality industries to embrace a more sustainable future.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Augeanaugean.co.uk HQ: Wetherby, United KingdomReported employees: 501-1,000 | Wetherby, United Kingdom | 501-1,000 | Exact match | 264 contacts → |
“Augean specialises in managing hard to handle wastes.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enfiniumenfinium.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 235 contacts → |
“Every day enfinium transforms waste into energy to help power homes, businesses and the circular economy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Londonenergylondonenergyltd.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 191 contacts → |
“LondonEnergy is the second-largest waste contract in the UK, handling and processing nearly tonnes of London’s waste every year.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The NWH Groupnwhgroup.co.uk HQ: Dalkeith, United KingdomReported employees: 201-500 | Dalkeith, United Kingdom | 201-500 | Exact match | 145 contacts → |
“The NWH Group is a second-generation family business headquartered in Midlothian.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Switch2 Energy Limitedswitch2.co.uk HQ: Shipley, United KingdomReported employees: 201-500 | Shipley, United Kingdom | 201-500 | Exact match | 140 contacts → |
“Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for residential heat networks.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hemikohemiko.com HQ: Carlisle, United KingdomReported employees: 51-200 | Carlisle, United Kingdom | 51-200 | Exact match | 139 contacts → |
“Together to Zero.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bring Energybringenergy.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 125 contacts → |
“We are Bring Energy.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Grant Engineering UK LTDgrantuk.com HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 115 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Seras UKseras.co.uk HQ: Widnes, United KingdomReported employees: 201-500 | Widnes, United Kingdom | 201-500 | Exact match | 114 contacts → |
“We are Seras, the sustainable fuel specialists.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Severn Trent Green Powerstgreenpower.co.uk HQ: Chipping Norton, United KingdomReported employees: 51-200 | Chipping Norton, United Kingdom | 51-200 | Exact match | 90 contacts → |
“We are a leading renewable energy company specialising in organic waste recycling and the largest producer of renewable energy from food waste in the UK.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Yorwaste LTDyorwaste.co.uk HQ: Northallerton, United KingdomReported employees: 201-500 | Northallerton, United Kingdom | 201-500 | Exact match | 88 contacts → |
“We are the biggest waste management company in North Yorkshire.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Boustead International Heatersbihl.com HQ: Burgess Hill, United KingdomReported employees: 51-200 | Burgess Hill, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Green'sgreenspower.co.uk HQ: Wakefield, United KingdomReported employees: 51-200 | Wakefield, United Kingdom | 51-200 | Exact match | 72 contacts → |
“Green’s is one of Europe’s largest providers of boiler pressure part equipment.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Refood UKrefood.co.uk HQ: Doncaster, United KingdomReported employees: 51-200 | Doncaster, United Kingdom | 51-200 | Exact match | 65 contacts → |
“ReFood is the European market leader in the field of disposal of organic waste from kitchens, canteens and retailers.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | BIO Capitalbio-capital.co.uk HQ: Buntingford, United KingdomReported employees: 51-200 | Buntingford, United Kingdom | 51-200 | Exact match | 63 contacts → |
“Bio Capital owns and operates Anaerobic Digestion plants in the UK with a growing and diverse portfolio.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Rendescorendesco.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Saacke Combustion Services LTDsaacke.com HQ: Havant, United KingdomReported employees: 51-200 | Havant, United Kingdom | 51-200 | Exact match | 57 contacts → |
“SAACKE is your qualified partner when it comes to highly efficient, reliable combustion plants with low emissions.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Malary LTDmalary.co.uk HQ: Cottenham, United KingdomReported employees: 51-200 | Cottenham, United Kingdom | 51-200 | Exact match | 56 contacts → |
“Malary Ltd specialize in the recycling of hazardous waste and the production of Processed Fuel Oil We operate 7 recycling plants from our licensed 3 acre treatment centre based in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 2g Energy LTD2-g.com HQ: Runcorn, United KingdomReported employees: 501-1,000 | Runcorn, United Kingdom | 501-1,000 | Exact match | 54 contacts → |
“2G Energy Ltd is the UK subsidiary of 2G Energy AG, a globally leading manufacturer of combined heat and power (CHP) plants.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 461 company matches
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Waste-to-heat companies: dataset insights
September 22, 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
455 records in the displayed employee bands.
6 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 461 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 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 waste-to-heat companies?
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 waste-to-heat companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 461 matching company records, 9,926 tracked contacts and 4,348 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 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
Waste-to-heat companies by geography
- Waste-to-heat companies based in Australia
- Waste-to-heat companies based in Austria
- Waste-to-heat companies based in Belgium
- Waste-to-heat companies based in Brazil
- Waste-to-heat companies based in Canada
- Waste-to-heat companies based in Chile
- Waste-to-heat companies based in Czechia
- Waste-to-heat companies based in Denmark
- Waste-to-heat companies based in Finland
- Waste-to-heat companies based in France
- Waste-to-heat companies based in Germany
- Waste-to-heat companies based in India
Cite this list
RevenueBase Data Team. Top 25 waste-to-heat companies based in the United Kingdom. Snapshot: September 22, 2026. https://revenuebase.ai/companies/waste-to-heat-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗