Company lists · Data refreshed October 2026
Top 25 Boiler contractors based in the United Kingdom
RevenueBase identified 1,004 company matches for boiler contractors associated with the United Kingdom as of October 2026 and tracks 4,031 professional contacts across them, including 824 with verified work emails. London is the largest hub.
This list covers company matches for boiler contractors associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 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 boiler contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 129 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 119 contacts → | ||||
Exact match “Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 95 contacts → | ||||
Exact match “Your industrial boiler is at the heart of your operations.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 91 contacts → | ||||
Exact match “JBC Industrial Services is the leading name in Industrial Boiler and Burner service, maintenance, and repair.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 59 contacts → | ||||
Exact match “Heating - Pipework - Process - Maintenance.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 52 contacts → | ||||
Exact match “Dunphy Combustion Ltd design, manufacture, install and maintain a range of combustion equipment, digital control solutions and turnkey prefabricated, packaged boiler houses.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 48 contacts → | ||||
Exact match “The company specialises in being able to provide a bespoke service to the homeowners, landlords, managing agents and the commercial sectors.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 42 contacts → | ||||
Exact match “Plumbing & Gas Solutions Ltd are a Constructionline and CHAS accredited Commercial Plumbing & Heating contractor based in Milton Keynes.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 41 contacts → | ||||
Exact match “The UK's trusted boiler, aircon and renewable installers.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 39 contacts → | ||||
Exact match “TISSOT Industrie | Tailored industrial excellence since 1942.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 36 contacts → | ||||
Exact match “Fulton Ltd specialises in the design and manufacture of steam, hot water, thermal fluid boilers, packaged plant rooms and skid-mounted systems for industrial, commercial and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 35 contacts → | ||||
Exact match “Babcock Wanson offers a complete range of products and services for your boiler house.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 32 contacts → | ||||
Exact match “BUILT TO LAST ATAG truly is a unique company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 30 contacts → | ||||
Exact match “Diamond Power – Boiler cleaning systems From sootblowers and replacement parts to automated boiler cleaning systems The robust Diamond Power portfolio, backed by ANDRITZ’s global…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 27 contacts → | ||||
Exact match “H Clarke & Sons Ltd was first established in 1920 and has grown to become one of the most renowned independent heating and plumbing companies in the region.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 24 contacts → | ||||
Exact match “GlenFarrow UK Ltd are engineering specialists offering 50 years worth of experience in the field.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 24 contacts → | ||||
Exact match “Welcome to Edinburgh Boiler Company, your local energy specialist.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 24 contacts → | ||||
Exact match “McQuillan Boiler Services was established in 1989 with the intention of offering our loyal customers reliable support and servicing with both their industrial and commercial steam…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match “BBSM Ltd is an independent biomass boiler service and maintenance company providing specialist services including re-commissioning, repairs, breakdown response, servicing and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 23 contacts → | ||||
Exact match “MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “iHeat is a new way to purchase your new boiler online.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 19 contacts → | ||||
Exact match “We offer a complete service from the supply, delivery, offloading and installation of a boiler to the ongoing maintenance with 24 hour breakdown cover.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “Established in 1987, James Paterson & Sons are a professional contractor providing all aspects of plumbing and heating services across Scotland.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 17 contacts → | ||||
Exact match “At UK GS we are your trusted home service partner.” Recorded in the RevenueBase company graph · Oct 9, 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 “boiler contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,004 boiler contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 824 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Boiler contractors based in the United Kingdom at a glance
As of Oct 9, 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 1,004 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 “boiler contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 824 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 October 9, 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 “boiler contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many boiler contractors are there based in the United Kingdom?
RevenueBase identified 1,004 company matches for boiler contractors associated with the United Kingdom as of October 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?
Swale Heating Part Of Sureserve tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most boiler contractors?
London leads with 57 company records, followed by Leeds (17) and Norwich (15).
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 824 professional contacts with verified work emails tracked across these 1,004 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 October 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,004 boiler contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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- Boiler contractors based in Germany
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- Boiler contractors based in the Netherlands
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Browse the directory
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 boiler contractors based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,004 matching company records for boiler contractors based in the United Kingdom, with 4,031 tracked contacts and 824 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: October 9, 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 boiler contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Swale Heating Part Of Sureserveswaleheating.comHQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cochrancochran.co.uk HQ: Annan, United KingdomReported employees: 201-500 | Annan, United Kingdom | 201-500 | Exact match | 119 contacts → |
“Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Byworth Boilers Limitedbyworth.co.uk HQ: Keighley, United KingdomReported employees: 51-200 | Keighley, United Kingdom | 51-200 | Exact match | 95 contacts → |
“Your industrial boiler is at the heart of your operations.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | JBCjbcindserv.co.uk HQ: Normanton, United KingdomReported employees: 51-200 | Normanton, United Kingdom | 51-200 | Exact match | 91 contacts → |
“JBC Industrial Services is the leading name in Industrial Boiler and Burner service, maintenance, and repair.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  James Ramsayjamesramsayltd.co.ukHQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Heating - Pipework - Process - Maintenance.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Dunphy Combustion Limiteddunphy.co.ukHQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Dunphy Combustion Ltd design, manufacture, install and maintain a range of combustion equipment, digital control solutions and turnkey prefabricated, packaged boiler houses.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gas-Elec Groupgas-elec.co.uk HQ: Bury St. Edmunds, United KingdomReported employees: 51-200 | Bury St. Edmunds, United Kingdom | 51-200 | Exact match | 48 contacts → |
“The company specialises in being able to provide a bespoke service to the homeowners, landlords, managing agents and the commercial sectors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Plumbing & GAS Solutions LTDpgsolutions.co.uk HQ: Milton Keynes, United KingdomReported employees: 11-50 | Milton Keynes, United Kingdom | 11-50 | Exact match | 42 contacts → |
“Plumbing & Gas Solutions Ltd are a Constructionline and CHAS accredited Commercial Plumbing & Heating contractor based in Milton Keynes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Heatableheatable.co.uk HQ: Warrington, United KingdomReported employees: 11-50 | Warrington, United Kingdom | 11-50 | Exact match | 41 contacts → |
“The UK's trusted boiler, aircon and renewable installers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Tissot Industry UKtissot.comHQ: Croydon, United KingdomReported employees: 51-200 | Croydon, United Kingdom | 51-200 | Exact match | 39 contacts → |
“TISSOT Industrie | Tailored industrial excellence since 1942.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Lochinvar, UKlochinvar.ltd.uk HQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fulton Boiler Works GB Limitedfulton.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Fulton Ltd specialises in the design and manufacture of steam, hot water, thermal fluid boilers, packaged plant rooms and skid-mounted systems for industrial, commercial and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Babcock Wanson UK LTDbabcock-wanson.co.ukHQ: Borehamwood, United KingdomReported employees: 51-200 | Borehamwood, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Babcock Wanson offers a complete range of products and services for your boiler house.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Atag Heating Technology UK Limitedinstallerdirect.co.uk HQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 32 contacts → |
“BUILT TO LAST ATAG truly is a unique company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Diamond Power Specialty Limitedandritz.comHQ: Dumbarton, United KingdomReported employees: 51-200 | Dumbarton, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Diamond Power – Boiler cleaning systems From sootblowers and replacement parts to automated boiler cleaning systems The robust Diamond Power portfolio, backed by ANDRITZ’s global…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HCS Mechanical Serviceshcsmechanical.co.uk HQ: Skipton, United KingdomReported employees: 51-200 | Skipton, United Kingdom | 51-200 | Exact match | 27 contacts → |
“H Clarke & Sons Ltd was first established in 1920 and has grown to become one of the most renowned independent heating and plumbing companies in the region.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Glen Farrow UK LTDglenfarrow.co.uk HQ: Spalding, United KingdomReported employees: 11-50 | Spalding, United Kingdom | 11-50 | Exact match | 24 contacts → |
“GlenFarrow UK Ltd are engineering specialists offering 50 years worth of experience in the field.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | The Edinburgh Boiler Companytheedinburghboilercompany.com HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Welcome to Edinburgh Boiler Company, your local energy specialist.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mcquillan Boiler Services LTDmcquillanboilers.co.uk HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 24 contacts → |
“McQuillan Boiler Services was established in 1989 with the intention of offering our loyal customers reliable support and servicing with both their industrial and commercial steam…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bbsm LTDbbsm.co.uk HQ: Tiverton, United KingdomReported employees: 11-50 | Tiverton, United Kingdom | 11-50 | Exact match | 24 contacts → |
“BBSM Ltd is an independent biomass boiler service and maintenance company providing specialist services including re-commissioning, repairs, breakdown response, servicing and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Macbrookgas LTDmacbrookgas.co.uk HQ: Banham, United KingdomReported employees: 51-200 | Banham, United Kingdom | 51-200 | Exact match | 23 contacts → |
“MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IHEATiheat.co.uk HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 21 contacts → |
“iHeat is a new way to purchase your new boiler online.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Geoff Castles Boiler Services Limitedgeoffcastles.co.uk HQ: Carrickfergus, United KingdomReported employees: 51-200 | Carrickfergus, United Kingdom | 51-200 | Exact match | 19 contacts → |
“We offer a complete service from the supply, delivery, offloading and installation of a boiler to the ongoing maintenance with 24 hour breakdown cover.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | James Paterson & Sons Plumbing And Heating Limitedjamespaterson.co.uk HQ: Denny, United KingdomReported employees: 51-200 | Denny, United Kingdom | 51-200 | Exact match | 19 contacts → |
“Established in 1987, James Paterson & Sons are a professional contractor providing all aspects of plumbing and heating services across Scotland.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | UK GAS Services LTDukgs.uk HQ: Leicester, United KingdomReported employees: 51-200 | Leicester, United Kingdom | 51-200 | Exact match | 17 contacts → |
“At UK GS we are your trusted home service partner.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,004 company matches
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Boiler contractors: dataset insights
October 9, 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
951 records in the displayed employee bands.
53 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 1,004 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: October 9, 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 boiler contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many boiler contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,004 matching company records, 4,031 tracked contacts and 824 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: October 9, 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
Boiler contractors by geography
- Boiler contractors based in Australia
- Boiler contractors based in Belgium
- Boiler contractors based in Brazil
- Boiler contractors based in Canada
- Boiler contractors based in France
- Boiler contractors based in Germany
- Boiler contractors based in India
- Boiler contractors based in Italy
- Boiler contractors based in the Netherlands
- Boiler contractors based in South Africa
- Boiler contractors based in Spain
- Boiler contractors based in Türkiye
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 boiler contractors based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/boiler-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 boiler contractors based in the United Kingdom
RevenueBase records 1,004 matching company records for boiler contractors based in the United Kingdom, with 4,031 tracked contacts and 824 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: October 9, 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 boiler contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Swale Heating Part Of Sureserveswaleheating.com HQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cochrancochran.co.uk HQ: Annan, United KingdomReported employees: 201-500 | Annan, United Kingdom | 201-500 | Exact match | 119 contacts → |
“Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Byworth Boilers Limitedbyworth.co.uk HQ: Keighley, United KingdomReported employees: 51-200 | Keighley, United Kingdom | 51-200 | Exact match | 95 contacts → |
“Your industrial boiler is at the heart of your operations.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | JBCjbcindserv.co.uk HQ: Normanton, United KingdomReported employees: 51-200 | Normanton, United Kingdom | 51-200 | Exact match | 91 contacts → |
“JBC Industrial Services is the leading name in Industrial Boiler and Burner service, maintenance, and repair.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | James Ramsayjamesramsayltd.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Heating - Pipework - Process - Maintenance.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dunphy Combustion Limiteddunphy.co.uk HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Dunphy Combustion Ltd design, manufacture, install and maintain a range of combustion equipment, digital control solutions and turnkey prefabricated, packaged boiler houses.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gas-Elec Groupgas-elec.co.uk HQ: Bury St. Edmunds, United KingdomReported employees: 51-200 | Bury St. Edmunds, United Kingdom | 51-200 | Exact match | 48 contacts → |
“The company specialises in being able to provide a bespoke service to the homeowners, landlords, managing agents and the commercial sectors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Plumbing & GAS Solutions LTDpgsolutions.co.uk HQ: Milton Keynes, United KingdomReported employees: 11-50 | Milton Keynes, United Kingdom | 11-50 | Exact match | 42 contacts → |
“Plumbing & Gas Solutions Ltd are a Constructionline and CHAS accredited Commercial Plumbing & Heating contractor based in Milton Keynes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Heatableheatable.co.uk HQ: Warrington, United KingdomReported employees: 11-50 | Warrington, United Kingdom | 11-50 | Exact match | 41 contacts → |
“The UK's trusted boiler, aircon and renewable installers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tissot Industry UKtissot.com HQ: Croydon, United KingdomReported employees: 51-200 | Croydon, United Kingdom | 51-200 | Exact match | 39 contacts → |
“TISSOT Industrie | Tailored industrial excellence since 1942.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Lochinvar, UKlochinvar.ltd.uk HQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fulton Boiler Works GB Limitedfulton.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Fulton Ltd specialises in the design and manufacture of steam, hot water, thermal fluid boilers, packaged plant rooms and skid-mounted systems for industrial, commercial and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Babcock Wanson UK LTDbabcock-wanson.co.uk HQ: Borehamwood, United KingdomReported employees: 51-200 | Borehamwood, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Babcock Wanson offers a complete range of products and services for your boiler house.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Atag Heating Technology UK Limitedinstallerdirect.co.uk HQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 32 contacts → |
“BUILT TO LAST ATAG truly is a unique company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Diamond Power Specialty Limitedandritz.com HQ: Dumbarton, United KingdomReported employees: 51-200 | Dumbarton, United Kingdom | 51-200 | Exact match | 30 contacts → |
“Diamond Power – Boiler cleaning systems From sootblowers and replacement parts to automated boiler cleaning systems The robust Diamond Power portfolio, backed by ANDRITZ’s global…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HCS Mechanical Serviceshcsmechanical.co.uk HQ: Skipton, United KingdomReported employees: 51-200 | Skipton, United Kingdom | 51-200 | Exact match | 27 contacts → |
“H Clarke & Sons Ltd was first established in 1920 and has grown to become one of the most renowned independent heating and plumbing companies in the region.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Glen Farrow UK LTDglenfarrow.co.uk HQ: Spalding, United KingdomReported employees: 11-50 | Spalding, United Kingdom | 11-50 | Exact match | 24 contacts → |
“GlenFarrow UK Ltd are engineering specialists offering 50 years worth of experience in the field.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | The Edinburgh Boiler Companytheedinburghboilercompany.com HQ: Edinburgh, United KingdomReported employees: 11-50 | Edinburgh, United Kingdom | 11-50 | Exact match | 24 contacts → |
“Welcome to Edinburgh Boiler Company, your local energy specialist.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mcquillan Boiler Services LTDmcquillanboilers.co.uk HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 24 contacts → |
“McQuillan Boiler Services was established in 1989 with the intention of offering our loyal customers reliable support and servicing with both their industrial and commercial steam…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bbsm LTDbbsm.co.uk HQ: Tiverton, United KingdomReported employees: 11-50 | Tiverton, United Kingdom | 11-50 | Exact match | 24 contacts → |
“BBSM Ltd is an independent biomass boiler service and maintenance company providing specialist services including re-commissioning, repairs, breakdown response, servicing and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Macbrookgas LTDmacbrookgas.co.uk HQ: Banham, United KingdomReported employees: 51-200 | Banham, United Kingdom | 51-200 | Exact match | 23 contacts → |
“MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | IHEATiheat.co.uk HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 21 contacts → |
“iHeat is a new way to purchase your new boiler online.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Geoff Castles Boiler Services Limitedgeoffcastles.co.uk HQ: Carrickfergus, United KingdomReported employees: 51-200 | Carrickfergus, United Kingdom | 51-200 | Exact match | 19 contacts → |
“We offer a complete service from the supply, delivery, offloading and installation of a boiler to the ongoing maintenance with 24 hour breakdown cover.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | James Paterson & Sons Plumbing And Heating Limitedjamespaterson.co.uk HQ: Denny, United KingdomReported employees: 51-200 | Denny, United Kingdom | 51-200 | Exact match | 19 contacts → |
“Established in 1987, James Paterson & Sons are a professional contractor providing all aspects of plumbing and heating services across Scotland.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | UK GAS Services LTDukgs.uk HQ: Leicester, United KingdomReported employees: 51-200 | Leicester, United Kingdom | 51-200 | Exact match | 17 contacts → |
“At UK GS we are your trusted home service partner.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,004 company matches
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Boiler contractors: dataset insights
October 9, 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
951 records in the displayed employee bands.
53 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 1,004 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: October 9, 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 boiler contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many boiler contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,004 matching company records, 4,031 tracked contacts and 824 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: October 9, 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.
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Cite this list
RevenueBase Data Team. Top 25 boiler contractors based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/boiler-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗