Company lists · Data refreshed September 2026

Top 25 District heating companies based in the United Kingdom

RevenueBase identified 90 company matches for district heating companies associated with the United Kingdom as of September 2026 and tracks 2,898 professional contacts across them, including 1,421 with verified work emails. London is the largest hub.

This list covers company matches for district heating 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 19, 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 Sep 19, 2026 How this list was built
90Companies
2,898Contacts tracked
1,421Verified emails
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The 25 largest district heating companies based in the United Kingdom

Ranked by team size
Top 25 of 90 company matches for district heating companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 Sep 19, 20261,001-5,000850 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 19, 2026 · View company records in RevenueBase
2Exact matchBlackburn, United KingdomHQ recorded Sep 19, 2026501-1,000709 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 19, 2026 · View company records in RevenueBase
3Exact matchShipley, United KingdomHQ recorded Sep 19, 2026201-500140 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 19, 2026 · View company records in RevenueBase
4Exact matchCarlisle, United KingdomHQ recorded Sep 19, 202651-200139 contacts →

Exact match

“Together to Zero.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 19, 202651-200125 contacts →

Exact match

“We are Bring Energy.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 19, 202651-200115 contacts →

Exact match

“If you are operating a heat network, or planning a new heat network, then FairHeat can ensure that you get maximum efficiency from your heat networks while reducing operating and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchSwindon, United KingdomHQ recorded Sep 19, 202651-200115 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 19, 2026 · View company records in RevenueBase
8Exact matchPeterborough, United KingdomHQ recorded Sep 19, 202651-20076 contacts →

Exact match

“Heat network services that put you and your residents first.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchBirchanger, United KingdomHQ recorded Sep 19, 202611-5033 contacts →

Exact match

“DMG Delta is a leading provider of heat networks, maintenance, engineering and energy solutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchBristol, United KingdomHQ recorded Sep 19, 202651-20030 contacts →

Exact match

“ThermaMech is one of the UK’s fastest growing businesses within the District Heating Installation market, currently employing around 30 people in the UK.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchUnited KingdomHQ recorded Sep 19, 202611-5026 contacts →

Exact match

“Ener-Vate is a market-leading commercial consultancy firm with an extensive portfolio of low-carbon district heating and large scale energy infrastructure projects spanning the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchHorsham, United KingdomHQ recorded Sep 19, 202651-20024 contacts →

Exact match

“Because it is an efficient process, using far more of the available energy in a fuel than either traditional power or heat generation methods, CHP is inherently better for the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchWirral, United KingdomHQ recorded Sep 19, 202611-5023 contacts →

Exact match

“energysecurity #energytransition #onsitedecarbonisation #combinedheatandpower Celebrating 20+ years of successful business growth in the power generation and renewable energy…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchDoncaster, United KingdomHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“MCL Energy has been providing innovative site energy solutions for almost three decades to many different sectors but with one common goal – to provide competent, cost-effective…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchLincoln, United KingdomHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“We are a Midlands based business, that recommends and installs the right equipment to improves your business's profitability and carbon usage.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchTiverton, United KingdomHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchPeterborough, United KingdomHQ recorded Sep 19, 202611-5020 contacts →

Exact match

“Process Installations & Maintenance Ltd Our work focuses around Energy Solutions working within Energy Centres, Steam Boiler Houses and Associated CHP Plant.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchRamsgate, United KingdomHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“Offering holistic end-to-end energy services Watkins Energy specialises in the design, construction, and ongoing operation and maintenance of both small and large-scale heat…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 19, 202611-5013 contacts →

Exact match

“Gren finances, develops and operates district energy systems: bringing low carbon generation to towns and communities and then distributing that energy through power and heat…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 19, 20261-1013 contacts →

Exact match

“Energetik is a limited company that has been set up and is wholly owned by Enfield Council.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchBarking, United KingdomHQ recorded Sep 19, 20261-1011 contacts →

Exact match

“B&D Energy Ltd is provider of District Energy and Electricity in the Barking and Dagenham area.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchLiverpool, United KingdomHQ recorded Sep 19, 2026201-50011 contacts →

Exact match

“Communal Energy Partners are established key players in the communal and district heating industry with over 10 years experience.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchWoking, United KingdomHQ recorded Sep 19, 202611-509 contacts →

Exact match

“At New Heat Solutions, we are revolutionising heating technology for homes and businesses, offering smarter, more sustainable solutions that prioritise energy efficiency, cost…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchTowcester, United KingdomHQ recorded Sep 19, 202611-507 contacts →

Exact match

“Eneteq Services Ltd specialises in the design, installation and maintenance of heat networks.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchSudbury, United KingdomHQ recorded Sep 19, 20261-106 contacts →

Exact match

“Welcome to Heatweb Solutions LTD, where we're masters of commercial heating system design and optimisation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 90 district heating companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,421 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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District heating companies based in the United Kingdom at a glance

As of Sep 19, 2026
49.0%Verified-email coverage
32.2Average contacts per company
11-50Median size (employees)
12.2%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
37
11-50
33
51-200
14
201-500
3
501-1,000
1
1,001-5,000
2

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 90 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 “district heating 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 1,421 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 19, 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 “district heating companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many district heating companies are there based in the United Kingdom?

RevenueBase identified 90 company matches for district heating 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 district heating companies?

London leads with 11 company records, followed by Blackburn (2) and Horsham (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,421 professional contacts with verified work emails tracked across these 90 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 19, 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.