Company lists · Data refreshed November 2026

Top 25 Heating system installation services based in the United Kingdom

Name: Heating system installation services based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 2,931 companies tracked

RevenueBase identified 2,931 company matches for heating system installation services associated with the United Kingdom as of November 2026 and tracks 16,798 professional contacts across them, including 4,475 with verified work emails. London is the largest hub.

This list covers company matches for heating system installation services 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

2,931Companies

16,798Contacts tracked

4,475Verified emails

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The 25 largest heating system installation services based in the United Kingdom

Ranked by team size

Top 25 of 2,931 company matches for heating system installation services 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	BAXI	Exact match	Warwick, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	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	Space Engineering Services LTD	Exact match	Bristol, United KingdomHQ recorded Nov 6, 2026	201-500	325 contacts →
	Exact match “Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Vaillant UK	Exact match	Belper, United KingdomHQ recorded Nov 6, 2026	501-1,000	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
4	Swegon Uk&i	Exact match	Ashby-de-la-zouch, United KingdomHQ recorded Nov 6, 2026	501-1,000	154 contacts →
	Exact match “Swegon is a market leading supplier of energy efficient indoor climate, cooling and life safety systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Swale Heating Part Of Sureserve	Exact match	Sittingbourne, United KingdomHQ recorded Nov 6, 2026	201-500	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
6	Sale Group	Exact match	Cheam, United KingdomHQ recorded Nov 6, 2026	51-200	150 contacts →
	Exact match “We are a building services company specialised in Mechanical and Public Health sectors, carrying out heating, air conditioning, plumbing and domestic services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Adcock Refrigeration And AIR Conditioning	Exact match	Cambridge, United KingdomHQ recorded Nov 6, 2026	201-500	146 contacts →
	Exact match “Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Smith & Byford	Exact match	Cheam, United KingdomHQ recorded Nov 6, 2026	201-500	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
9	Sureserve Compliance Central	Exact match	Unit 5-6 Boudicca Road, United KingdomHQ recorded Nov 6, 2026	501-1,000	136 contacts →
	Exact match “With over 40 years of successful delivery experience in the domestic and commercial markets you can trust Sureserve Compliance Central with all your heating needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Airco Refrigeration And AIR Conditioning LTD	Exact match	Hull, United KingdomHQ recorded Nov 6, 2026	51-200	120 contacts →
	Exact match “Neil Fisher started Airco in 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Correct Contract Services CCS	Exact match	Andover, United KingdomHQ recorded Nov 6, 2026	201-500	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
12	BSW Heating Limited	Exact match	Kenley, United KingdomHQ recorded Nov 6, 2026	201-500	120 contacts →
	Exact match “We are a domestic and commercial heating servicing, maintenance and installations contractor working across the South East.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Hometree	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	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
14	TF Solutions	Exact match	Burton Upon Trent, United KingdomHQ recorded Nov 6, 2026	51-200	114 contacts →
	Exact match “TF Solutions first opened its doors in 2001 with a passion and ambition to do the right thing, the right way.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Homeserve Emea	Exact match	Walsall, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	113 contacts →
	Exact match “HomeServe EMEA makes home repairs and improvements easy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Daikin Applied UK LTD	Exact match	Cramlington, United KingdomHQ recorded Nov 6, 2026	51-200	106 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
17	Aircon Group	Exact match	Stockton-on-tees, United KingdomHQ recorded Nov 6, 2026	51-200	94 contacts →
	Exact match “At Aircon Group, we’re dedicated to providing exceptional levels of customer service in Air Conditioning, Refrigeration, and Air-Source Heating Services, which we have done for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	BOXT	Exact match	Leeds, United KingdomHQ recorded Nov 6, 2026	51-200	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
19	0800 Repair	Exact match	Houghton-le-spring, United KingdomHQ recorded Nov 6, 2026	201-500	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
20	CPS Building Services LTD	Exact match	Cambridge, United KingdomHQ recorded Nov 6, 2026	51-200	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
21	Purdy Part Of Sureserve	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	85 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	ECO Approach	Exact match	Beckenham, United KingdomHQ recorded Nov 6, 2026	51-200	67 contacts →
	Exact match “We’re a leading nationwide property services company established in 2013.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	LCM	Exact match	Padiham, United KingdomHQ recorded Nov 6, 2026	51-200	66 contacts →
	Exact match “Keep the Lights On with LCM Environmental Since 1987, LCM Environmental has been the backbone of critical infrastructure, ensuring everything runs smoothly behind the scenes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Aston Group	Exact match	Romford, United KingdomHQ recorded Nov 6, 2026	51-200	63 contacts →
	Exact match “Aston Group is a leading Building Services and Facilities Maintenance Company for Commercial and Residential clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	BTU Installation & Maintenance LTD	Exact match	Guildford, United KingdomHQ recorded Nov 6, 2026	51-200	62 contacts →
	Exact match “BTU (Installation and Maintenance) Ltd, is a privately owned business based in Guildford, Surrey.” 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 “heating system installation services”. 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 2,931 heating system installation services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,475 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heating system installation services based in the United Kingdom at a glance

As of Nov 6, 2026

26.6%Verified-email coverage

5.7Average contacts per company

1-10Median size (employees)

6.7%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

1,773

11-50

743

51-200

135

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,931 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 “heating system installation services” 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 4,475 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.

Heating system installation services 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 “heating system installation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heating system installation services are there based in the United Kingdom?

RevenueBase identified 2,931 company matches for heating system installation services 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 heating system installation services?

London leads with 196 company records, followed by Leeds (41) and Glasgow (35).

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 4,475 professional contacts with verified work emails tracked across these 2,931 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.