Company lists · Data refreshed November 2026

Top 25 Sustainable heating solution providers based in the United Kingdom

RevenueBase identified 2,167 company matches for sustainable heating solution providers associated with the United Kingdom as of November 2026 and tracks 20,737 professional contacts across them, including 7,048 with verified work emails. London is the largest hub.

This list covers company matches for sustainable heating solution providers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
2,167Companies
20,737Contacts tracked
7,048Verified emails
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The 25 largest sustainable heating solution providers based in the United Kingdom

Ranked by team size
Top 25 of 2,167 company matches for sustainable heating solution providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWarwick, United KingdomHQ recorded Nov 6, 20261,001-5,000865 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
2Exact matchBlackburn, United KingdomHQ recorded Nov 6, 2026501-1,000771 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
3Exact matchSyston, United KingdomHQ recorded Nov 6, 20261,001-5,000657 contacts →

Exact match

“At Flogas we do things right.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHull, United KingdomHQ recorded Nov 6, 2026501-1,000310 contacts →

Exact match

“The UK’s leading heating manufacturer, providing reliable, sustainable warmth through boilers, heat pumps and controls Rated Excellent on Trustpilot Award-winning Keeping Homes…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDartford, United KingdomHQ recorded Nov 6, 2026201-500206 contacts →

Exact match

“Sureserve Compliance South (SCS) is a leading provider of compliance and energy services across over social housing properties in London and the South East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBelper, United KingdomHQ recorded Nov 6, 2026501-1,000195 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
7Exact matchShipley, United KingdomHQ recorded Nov 6, 2026201-500162 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
8Exact matchSittingbourne, United KingdomHQ recorded Nov 6, 2026201-500153 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
9Exact matchCarlisle, United KingdomHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“Together to Zero.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTruro, United KingdomHQ recorded Nov 6, 202651-200134 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
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“We are Bring Energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew Malden, United KingdomHQ recorded Nov 6, 2026201-500128 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
13Exact matchBournemouth, United KingdomHQ recorded Nov 6, 202651-200125 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
14Exact matchSwindon, United KingdomHQ recorded Nov 6, 202651-200123 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
15Exact matchEnfield, United KingdomHQ recorded Nov 6, 2026201-500123 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
16Exact matchAndover, United KingdomHQ recorded Nov 6, 2026201-500120 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
17Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500119 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
18Exact matchBristol, United KingdomHQ recorded Nov 6, 2026201-500117 contacts →

Exact match

“We are a leading provider of retrofit residential decarbonisation across the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCramlington, United KingdomHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“Daikin Applied (UK) Ltd (formerly McQuay UK Ltd) is the market leader in energy-efficient end-to-end HVAC solutions, including AHU and chiller products, heat pumps, service and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWoking, United KingdomHQ recorded Nov 6, 202651-20099 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
21Exact matchKeighley, United KingdomHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Your industrial boiler is at the heart of your operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCardiff, United KingdomHQ recorded Nov 6, 202651-20097 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
23Exact matchLeeds, United KingdomHQ recorded Nov 6, 202651-20093 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
24Exact matchHoughton-le-spring, United KingdomHQ recorded Nov 6, 2026201-50092 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
25Exact matchMaidenhead, United KingdomHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Fully funded solar solutions specialising in Commercial and Residential Solar with Battery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,167 sustainable heating solution providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,048 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable heating solution providers based in the United Kingdom at a glance

As of Nov 6, 2026
34.0%Verified-email coverage
9.6Average contacts per company
1-10Median size (employees)
5.9%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,118
11-50
711
51-200
174
201-500
36
501-1,000
10
1,001-5,000
10
5,001-10,000
3
10001+
4

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 2,167 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 solution providers” 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 7,048 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sustainable heating solution providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable heating solution providers are there based in the United Kingdom?

RevenueBase identified 2,167 company matches for sustainable heating solution providers 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 solution providers?

London leads with 128 company records, followed by Glasgow (37) and Bristol (31).

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 7,048 professional contacts with verified work emails tracked across these 2,167 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.

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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.