Company lists · Data refreshed November 2026
Top 25 Thermal systems integrators based in the United Kingdom
RevenueBase identified 764 company matches for thermal systems integrators associated with the United Kingdom as of November 2026 and tracks 14,262 professional contacts across them, including 4,099 with verified work emails. London is the largest hub.
This list covers company matches for thermal systems integrators 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 5, 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 thermal systems integrators based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 629 contacts → | ||||
Exact match “The FES Group is one of the largest independent technical services companies in the UK over 60 years of experience providing building services solutions to a wide range of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 517 contacts → | ||||
Exact match “Imtech has rebranded to Dalkia UK.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 389 contacts → | ||||
Exact match “Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 358 contacts → | ||||
Exact match “Darchem Engineering Limited is a world class Engineering Company providing products and services primarily to meet the needs of its customers for engineered solutions to high…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 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 5, 2026 · View company records in RevenueBase | |||||
| 6 | 317 contacts → | ||||
Exact match “Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 166 contacts → | ||||
Exact match “Imagine what’s possible… That’s the question that drives us to push the boundaries of thermal management – delivering the highest levels of performance, efficiency, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 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 5, 2026 · View company records in RevenueBase | |||||
| 9 | 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 5, 2026 · View company records in RevenueBase | |||||
| 10 | 129 contacts → | ||||
Exact match “As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 120 contacts → | ||||
Exact match “Neil Fisher started Airco in 1991.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 98 contacts → | ||||
Exact match “Why are we here?” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 95 contacts → | ||||
Exact match “As a System Integrator for over 37 years, Adsyst (Automation) Ltd has been providing complex Control Systems for Process Control, Automation and Telemetry to customers worldwide.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 93 contacts → | ||||
Exact match “Mansfield Pollard designs and manufactures industrial air handling units, advanced data centre cooling systems and customised enclosures for mission critical infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 90 contacts → | ||||
Exact match “Key Integrated Services (KEYIS) is one of the UK’s fastest-growing turnkey engineering partners, delivering design, build, installation, commissioning and maintenance across…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 83 contacts → | ||||
Exact match “Nucore Group is a provider of integrated engineering solutions specialising in hazardous environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 83 contacts → | ||||
Exact match “At Aqua we consult, design, install and service a wide range of innovative temperature control solutions for purchase or hire across the UK and further afield.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 73 contacts → | ||||
Exact match “Powrmatic is a leading manufacturer and solution provider of advanced HVAC systems, including warm air heating, radiant heating, electric and water-based systems, as well as…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 71 contacts → | ||||
Exact match “Ormandy Rycroft Engineering aims to be a market leading provider of world class heat transfer and packaged solutions through our integrated portfolio of products, and our…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 63 contacts → | ||||
Exact match “PREAH Building Services: Redefining Excellence in Mechanical & Electrical Engineering Founded in 2014, PREAH Building Services stands at the forefront of the M&E sector across…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 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 5, 2026 · View company records in RevenueBase | |||||
| 22 | 60 contacts → | ||||
Exact match “Heating - Pipework - Process - Maintenance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 60 contacts → | ||||
Exact match “SURE Solutions is a dynamic business with a primary focus to deliver quality, innovative and energy efficient solutions to our customers in all aspects of industrial refrigeration.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 59 contacts → | ||||
Exact match “Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 59 contacts → | ||||
Exact match “Weatherite Group provides air conditioning and entrance solutions to a range of customers nationally and internationally.” Recorded in the RevenueBase company graph · Nov 5, 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 “thermal systems integrators”. 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 764 thermal systems integrators based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 4,099 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Thermal systems integrators based in the United Kingdom at a glance
As of Nov 5, 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 764 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 “thermal systems integrators” 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 4,099 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 5, 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.
Thermal systems integrators 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 “thermal systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many thermal systems integrators are there based in the United Kingdom?
RevenueBase identified 764 company matches for thermal systems integrators 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?
FES Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most thermal systems integrators?
London leads with 52 company records, followed by Manchester (16) and Bristol (14).
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 4,099 professional contacts with verified work emails tracked across these 764 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 764 thermal systems integrators based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Thermal systems integrators by geography
- Thermal systems integrators based in Sao Paulo, Brazil
- Thermal systems integrators based in Calgary, Canada
- Thermal systems integrators based in Bogota, Colombia
- Thermal systems integrators based in Berlin, Germany
- Thermal systems integrators based in Chennai, India
- Thermal systems integrators based in Pune, India
- Thermal systems integrators based in Milan, Italy
- Thermal systems integrators based in Bucharest, Romania
- Thermal systems integrators based in Istanbul, Türkiye
- Thermal systems integrators based in Dubai, United Arab Emirates
- Thermal systems integrators based in London, United Kingdom
- Thermal systems integrators based in Houston, United States
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Thermal systems integrators based in Sao Paulo, Brazil
- Thermal systems integrators based in Calgary, Canada
- Thermal systems integrators based in Bogota, Colombia
- Thermal systems integrators based in Berlin, Germany
- Thermal systems integrators based in Chennai, India
- Thermal systems integrators based in Pune, India
Company intelligence · public preview
Top 25 thermal systems integrators 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 764 matching company records for thermal systems integrators based in the United Kingdom, with 14,262 tracked contacts and 4,099 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: November 5, 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 thermal systems integrators 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 |  FES Groupfes-group.co.ukHQ: Stirling, United KingdomReported employees: 501-1,000 | Stirling, United Kingdom | 501-1,000 | Exact match | 629 contacts → |
“The FES Group is one of the largest independent technical services companies in the UK over 60 years of experience providing building services solutions to a wide range of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Imtechdalkia.co.ukHQ: Staines-upon-thames, United KingdomReported employees: 1,001-5,000 | Staines-upon-thames, United Kingdom | 1,001-5,000 | Exact match | 517 contacts → |
“Imtech has rebranded to Dalkia UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Trinity Fire & Security Systemstrinityfireandsecurity.comHQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 389 contacts → |
“Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Darchem Engineeringdarchem.comHQ: Stillington, United KingdomReported employees: 501-1,000 | Stillington, United Kingdom | 501-1,000 | Exact match | 358 contacts → |
“Darchem Engineering Limited is a world class Engineering Company providing products and services primarily to meet the needs of its customers for engineered solutions to high…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Space Engineering Services LTDspace-engineering.co.ukHQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 325 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Star Refrigerationstar-ref.co.ukHQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 317 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Grayson Thermal Systemsgraysonts.comHQ: Tyseley, United KingdomReported employees: 201-500 | Tyseley, United Kingdom | 201-500 | Exact match | 166 contacts → |
“Imagine what’s possible… That’s the question that drives us to push the boundaries of thermal management – delivering the highest levels of performance, efficiency, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Swegon Uk&iswegon.comHQ: Ashby-de-la-zouch, United KingdomReported employees: 501-1,000 | Ashby-de-la-zouch, United Kingdom | 501-1,000 | Exact match | 154 contacts → |
“Swegon is a market leading supplier of energy efficient indoor climate, cooling and life safety systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Adcock Refrigeration And AIR Conditioningadcock.co.ukHQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 146 contacts → |
“Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Unitbirwelcounitbirwelco.comHQ: Elba Crescent, United KingdomReported employees: 201-500 | Elba Crescent, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Airco Refrigeration And AIR Conditioning LTDairco.co.ukHQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Spirax Sarco UK And Irelandspiraxsarco.comHQ: Cheltenham, United KingdomReported employees: 1,001-5,000 | Cheltenham, United Kingdom | 1,001-5,000 | Exact match | 98 contacts → |
“Why are we here?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Adsyst Automation Limitedadsyst.co.ukHQ: Yateley, United KingdomReported employees: 51-200 | Yateley, United Kingdom | 51-200 | Exact match | 95 contacts → |
“As a System Integrator for over 37 years, Adsyst (Automation) Ltd has been providing complex Control Systems for Process Control, Automation and Telemetry to customers worldwide.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Mansfield Pollard & CO LTDmansfieldpollard.co.ukHQ: Bradford, United KingdomReported employees: 51-200 | Bradford, United Kingdom | 51-200 | Exact match | 93 contacts → |
“Mansfield Pollard designs and manufactures industrial air handling units, advanced data centre cooling systems and customised enclosures for mission critical infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  KEY Integrated Serviceskeyis.comHQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 90 contacts → |
“Key Integrated Services (KEYIS) is one of the UK’s fastest-growing turnkey engineering partners, delivering design, build, installation, commissioning and maintenance across…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nucore Groupnucore-group.comHQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Nucore Group is a provider of integrated engineering solutions specialising in hazardous environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Aqua Cooling LTDaquacooling.co.ukHQ: Eastleigh, United KingdomReported employees: 51-200 | Eastleigh, United Kingdom | 51-200 | Exact match | 83 contacts → |
“At Aqua we consult, design, install and service a wide range of innovative temperature control solutions for purchase or hire across the UK and further afield.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Powrmatic Limitedpowrmatic.co.ukHQ: Ilminster, United KingdomReported employees: 51-200 | Ilminster, United Kingdom | 51-200 | Exact match | 73 contacts → |
“Powrmatic is a leading manufacturer and solution provider of advanced HVAC systems, including warm air heating, radiant heating, electric and water-based systems, as well as…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ormandy Rycroft Engineeringormandygroup.comHQ: Bradford, United KingdomReported employees: 51-200 | Bradford, United Kingdom | 51-200 | Exact match | 71 contacts → |
“Ormandy Rycroft Engineering aims to be a market leading provider of world class heat transfer and packaged solutions through our integrated portfolio of products, and our…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Preah Building Servicespreah.co.ukHQ: Newhouse, United KingdomReported employees: 51-200 | Newhouse, United Kingdom | 51-200 | Exact match | 63 contacts → |
“PREAH Building Services: Redefining Excellence in Mechanical & Electrical Engineering Founded in 2014, PREAH Building Services stands at the forefront of the M&E sector across…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  BTU Installation & Maintenance LTDbtu-group.comHQ: Guildford, United KingdomReported employees: 51-200 | Guildford, United Kingdom | 51-200 | Exact match | 62 contacts → |
“BTU (Installation and Maintenance) Ltd, is a privately owned business based in Guildford, Surrey.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  James Ramsayjamesramsayltd.co.ukHQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Heating - Pipework - Process - Maintenance.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sure Solutionssuresol.co.ukHQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 60 contacts → |
“SURE Solutions is a dynamic business with a primary focus to deliver quality, innovative and energy efficient solutions to our customers in all aspects of industrial refrigeration.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  AIR Technology Systemsatsclimate.comHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Weatherite Groupweatheritegroup.comHQ: West Bromwich, United KingdomReported employees: 51-200 | West Bromwich, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Weatherite Group provides air conditioning and entrance solutions to a range of customers nationally and internationally.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 764 company matches
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Thermal systems integrators: dataset insights
November 5, 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
733 records in the displayed employee bands.
31 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 764 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: November 5, 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 ↗
Thermal systems integrators by metro
Questions about this company list
What does Exact match mean for thermal systems integrators?
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 thermal systems integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 764 matching company records, 14,262 tracked contacts and 4,099 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: November 5, 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
Thermal systems integrators by geography
- Thermal systems integrators based in Sao Paulo, Brazil
- Thermal systems integrators based in Calgary, Canada
- Thermal systems integrators based in Bogota, Colombia
- Thermal systems integrators based in Berlin, Germany
- Thermal systems integrators based in Chennai, India
- Thermal systems integrators based in Pune, India
- Thermal systems integrators based in Milan, Italy
- Thermal systems integrators based in Bucharest, Romania
- Thermal systems integrators based in Istanbul, Türkiye
- Thermal systems integrators based in Dubai, United Arab Emirates
- Thermal systems integrators based in London, United Kingdom
- Thermal systems integrators based in Houston, United States
Cite this list
RevenueBase Data Team. Top 25 thermal systems integrators based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/thermal-systems-integrators/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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Thermal systems integrators based in Sao Paulo, Brazil
- Thermal systems integrators based in Calgary, Canada
- Thermal systems integrators based in Bogota, Colombia
- Thermal systems integrators based in Berlin, Germany
- Thermal systems integrators based in Chennai, India
- Thermal systems integrators based in Pune, India
Company intelligence · public preview
Top 25 thermal systems integrators based in the United Kingdom
RevenueBase records 764 matching company records for thermal systems integrators based in the United Kingdom, with 14,262 tracked contacts and 4,099 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: November 5, 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 thermal systems integrators 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 | FES Groupfes-group.co.uk HQ: Stirling, United KingdomReported employees: 501-1,000 | Stirling, United Kingdom | 501-1,000 | Exact match | 629 contacts → |
“The FES Group is one of the largest independent technical services companies in the UK over 60 years of experience providing building services solutions to a wide range of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Imtechdalkia.co.uk HQ: Staines-upon-thames, United KingdomReported employees: 1,001-5,000 | Staines-upon-thames, United Kingdom | 1,001-5,000 | Exact match | 517 contacts → |
“Imtech has rebranded to Dalkia UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Trinity Fire & Security Systemstrinityfireandsecurity.com HQ: Exeter, United KingdomReported employees: 501-1,000 | Exeter, United Kingdom | 501-1,000 | Exact match | 389 contacts → |
“Trinity’s mission statement is simple - to provide high quality design, installation, commissioning and long term after care of Fire Detection, Fire Suppression, Life Safety and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Darchem Engineeringdarchem.com HQ: Stillington, United KingdomReported employees: 501-1,000 | Stillington, United Kingdom | 501-1,000 | Exact match | 358 contacts → |
“Darchem Engineering Limited is a world class Engineering Company providing products and services primarily to meet the needs of its customers for engineered solutions to high…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Space Engineering Services LTDspace-engineering.co.uk HQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 325 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Star Refrigerationstar-ref.co.uk HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 317 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Grayson Thermal Systemsgraysonts.com HQ: Tyseley, United KingdomReported employees: 201-500 | Tyseley, United Kingdom | 201-500 | Exact match | 166 contacts → |
“Imagine what’s possible… That’s the question that drives us to push the boundaries of thermal management – delivering the highest levels of performance, efficiency, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Swegon Uk&iswegon.com HQ: Ashby-de-la-zouch, United KingdomReported employees: 501-1,000 | Ashby-de-la-zouch, United Kingdom | 501-1,000 | Exact match | 154 contacts → |
“Swegon is a market leading supplier of energy efficient indoor climate, cooling and life safety systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Adcock Refrigeration And AIR Conditioningadcock.co.uk HQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 146 contacts → |
“Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Unitbirwelcounitbirwelco.com HQ: Elba Crescent, United KingdomReported employees: 201-500 | Elba Crescent, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As a leading expert in thermal equipment, UnitBirwelco is dedicated to delivering excellence in design, project management, manufacturing, fabrication, construction, and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Airco Refrigeration And AIR Conditioning LTDairco.co.uk HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 120 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Spirax Sarco UK And Irelandspiraxsarco.com HQ: Cheltenham, United KingdomReported employees: 1,001-5,000 | Cheltenham, United Kingdom | 1,001-5,000 | Exact match | 98 contacts → |
“Why are we here?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Adsyst Automation Limitedadsyst.co.uk HQ: Yateley, United KingdomReported employees: 51-200 | Yateley, United Kingdom | 51-200 | Exact match | 95 contacts → |
“As a System Integrator for over 37 years, Adsyst (Automation) Ltd has been providing complex Control Systems for Process Control, Automation and Telemetry to customers worldwide.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Mansfield Pollard & CO LTDmansfieldpollard.co.uk HQ: Bradford, United KingdomReported employees: 51-200 | Bradford, United Kingdom | 51-200 | Exact match | 93 contacts → |
“Mansfield Pollard designs and manufactures industrial air handling units, advanced data centre cooling systems and customised enclosures for mission critical infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | KEY Integrated Serviceskeyis.com HQ: Manchester, United KingdomReported employees: 201-500 | Manchester, United Kingdom | 201-500 | Exact match | 90 contacts → |
“Key Integrated Services (KEYIS) is one of the UK’s fastest-growing turnkey engineering partners, delivering design, build, installation, commissioning and maintenance across…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nucore Groupnucore-group.com HQ: Aberdeen, United KingdomReported employees: 51-200 | Aberdeen, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Nucore Group is a provider of integrated engineering solutions specialising in hazardous environments.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aqua Cooling LTDaquacooling.co.uk HQ: Eastleigh, United KingdomReported employees: 51-200 | Eastleigh, United Kingdom | 51-200 | Exact match | 83 contacts → |
“At Aqua we consult, design, install and service a wide range of innovative temperature control solutions for purchase or hire across the UK and further afield.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Powrmatic Limitedpowrmatic.co.uk HQ: Ilminster, United KingdomReported employees: 51-200 | Ilminster, United Kingdom | 51-200 | Exact match | 73 contacts → |
“Powrmatic is a leading manufacturer and solution provider of advanced HVAC systems, including warm air heating, radiant heating, electric and water-based systems, as well as…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ormandy Rycroft Engineeringormandygroup.com HQ: Bradford, United KingdomReported employees: 51-200 | Bradford, United Kingdom | 51-200 | Exact match | 71 contacts → |
“Ormandy Rycroft Engineering aims to be a market leading provider of world class heat transfer and packaged solutions through our integrated portfolio of products, and our…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Preah Building Servicespreah.co.uk HQ: Newhouse, United KingdomReported employees: 51-200 | Newhouse, United Kingdom | 51-200 | Exact match | 63 contacts → |
“PREAH Building Services: Redefining Excellence in Mechanical & Electrical Engineering Founded in 2014, PREAH Building Services stands at the forefront of the M&E sector across…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | BTU Installation & Maintenance LTDbtu-group.com HQ: Guildford, United KingdomReported employees: 51-200 | Guildford, United Kingdom | 51-200 | Exact match | 62 contacts → |
“BTU (Installation and Maintenance) Ltd, is a privately owned business based in Guildford, Surrey.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | James Ramsayjamesramsayltd.co.uk HQ: Glasgow, United KingdomReported employees: 51-200 | Glasgow, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Heating - Pipework - Process - Maintenance.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sure Solutionssuresol.co.uk HQ: Birkenhead, United KingdomReported employees: 51-200 | Birkenhead, United Kingdom | 51-200 | Exact match | 60 contacts → |
“SURE Solutions is a dynamic business with a primary focus to deliver quality, innovative and energy efficient solutions to our customers in all aspects of industrial refrigeration.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AIR Technology Systemsatsclimate.com HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Weatherite Groupweatheritegroup.com HQ: West Bromwich, United KingdomReported employees: 51-200 | West Bromwich, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Weatherite Group provides air conditioning and entrance solutions to a range of customers nationally and internationally.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Thermal systems integrators: dataset insights
November 5, 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
733 records in the displayed employee bands.
31 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 764 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: November 5, 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 ↗
Thermal systems integrators by metro
Questions about this company list
What does Exact match mean for thermal systems integrators?
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 thermal systems integrators did RevenueBase find based in the United Kingdom?
The saved snapshot records 764 matching company records, 14,262 tracked contacts and 4,099 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: November 5, 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
Thermal systems integrators by geography
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- Thermal systems integrators based in Istanbul, Türkiye
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Cite this list
RevenueBase Data Team. Top 25 thermal systems integrators based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/thermal-systems-integrators/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Thermal systems integrators based in Sao Paulo, Brazil
- Thermal systems integrators based in Calgary, Canada
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