HVAC Companies Using Duda in the UK: 97 Active Firms (2026)
HVAC firms using a detected website platform provide heating, ventilation, air conditioning and refrigeration services across the UK.
For HVAC and refrigeration operators, a hosted website platform mainly supports service-area pages, enquiry capture, quote requests and basic content publishing rather than product-led software delivery. Adoption tends to signal a direct-channel posture: the business wants a maintained public site, local-search visibility and a route for domestic or commercial prospects to submit work requests. The buying centre is usually owner-management, operations or a small marketing function, often with an external web agency involved. Engagements are likely to be modest compared with enterprise software projects, but they still imply recurring spend on hosting, content updates, analytics and lead routing.
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The UK adoption picture is narrow but observable: 97 actively trading HVAC and refrigeration firms in this list run the platform. Reported employment totals 1,195 people, which points to a mix of micro and small operators with a few larger service businesses. Within the sector’s detected CMS mix, the platform ranks sixth, with a 3.6% share of a 2,718-site comparison group. Registered-region skew is led by the South East (14.4%), followed by the East of England (12.4%), North West (11.3%), London (10.3%) and Scotland (9.3%).
Procurement is likely to be practical rather than formal: the website stack supports lead capture, service messaging and proof of coverage for customers comparing contractors. Privacy and consent obligations matter where forms collect names, contact details, building information or maintenance requirements, especially if enquiries are routed through external agencies. Commercial facilities customers may also expect the site to evidence service scope, maintenance capability and response processes before a supplier conversation. The vendor ecosystem appears agency-led, with the platform functioning as a managed web presence rather than a core operational system.
Adoption appears likely to remain tied to local-search competition and agency packaging rather than internal digital-product strategy. HVAC and refrigeration contractors tend to need visible service pages, enquiry forms and evidence of coverage, but many have limited appetite for bespoke web development. That favours hosted platforms when the buyer wants predictable upkeep and a simple publishing workflow. Movement away from the stack may come where firms consolidate marketing, booking and customer-management systems under one supplier, while smaller contractors may keep agency-managed sites for long periods.
Adoption by company size
Adoption of Duda rises with company size across the trading UK HVAC companies in this cohort. 0.3% of the 23,256 companies with under 10 employees run Duda (72 detected). 2% of the 1,144 companies with 10–50 employees run Duda (23 detected). 1.2% of the 83 companies with over 50 employees run Duda (1 detected). That is a 0.9% gap between the over 50 employees and under 10 employees bands.
97
Active firms
2026
3.6%
Of detected CMS share
UK HVAC
6
Median headcount
Filed accounts
194
Verified contacts
Across this cohort
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Key facts
About 2% of the trading cohort reports turnover above £5M (2 of 97 firms) — the rest sits below that revenue band.
3% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
Detected CMS use in HVAC is concentrated: the largest system accounts for 69.8% (1,896 of 2,718), while the website platform used by this cohort accounts for 3.6% (97).
Registered addresses are spread across the South East 14.4% (14), East of England 12.4% (12), North West 11.3% (11), London 10.3% (10) and Scotland 9.3% (9).
Measurement and content tags are present on a minority of sites: 27.8% (27) have an analytics tag, 17.5% (17) have tag management and 13.4% (13) have video embeds.
Sector tags overlap with adjacent contractor markets, including Construction at 34.0% (33), Renewable Energy at 8.2% (8) and Testing, Inspection & Certification at 3.1% (3).
Financial-health flags leave a visible risk tail: 19.6% (19) are weak, 4.1% (4) distressed and 2.1% (2) have insufficient history.
CMS market share among UK HVAC
Share of the 2,718 UK HVAC with a detectable system. As of June 2026.
What else do Duda-running HVAC run?
Share of the 97 Duda-running UK companies where each technology was also detected. As of June 2026.
Where Duda HVAC are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
6
Median headcount
£686.1K
Median UK turnover
2.1%
Above £5M turnover
3
Incorporated since 2022
194 verified decision-maker contacts
across these 97 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK HVAC using Duda
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 4 filingsProvides design, installation and maintenance of commercial and industrial refrigeration systems, air conditioning and ventilation equipment. Also carries out repairs, servicing and maintenance…
Serves retail, catering and industrial businesses needing refrigeration, air conditioning and ventilation, plus residential customers needing heating and cooling, across South West England.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, supplies, installs and maintains commercial refrigeration systems and air conditioning or heat pump equipment. Provides servicing, repairs and emergency call‑outs for businesses including…
Serves commercial and light industrial clients across the South West, including food processors, local authority suppliers, hospitals, hotels, pubs, restaurants, catering businesses and retail trades.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides installation, maintenance, and repair of air conditioning, heat pump, and refrigeration systems for domestic and commercial properties. Also conducts system inspections and servicing to…
Serves homeowners, domestic residents, commercial property owners and business occupiers across the UK, including organisations operating air conditioning equipment subject to F-Gas and TM44…
Financial Health
WeakWeak · Hiring · 22% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides heating, ventilation, air conditioning and refrigeration services for commercial, industrial and residential facilities, including system design and installation, preventative maintenance,…
Serves facilities managers, businesses and property owners across domestic, commercial and industrial sites, including manufacturing/process sites, education, leisure, healthcare and residential…
Financial Health
StrongStrong · Growing, Hiring · 44% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains commercial refrigeration and air conditioning systems, including display cabinets, coldrooms, blast chillers and industrial freezers. Provides planned maintenance,…
Serves B2B customers needing refrigeration and air conditioning, including food retailers, food manufacturers, agricultural producers, abattoirs, cold storage operators and mortuary facilities.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDesigns and installs commercial refrigeration and air conditioning systems, including produce cooling, cold rooms, and heat pumps. Provides equipment supply, system installation, maintenance,…
Sells primarily to businesses needing commercial and industrial refrigeration or air conditioning, including produce-related operations and other industries requiring cold storage, cooling systems…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides sales, hire, installation, servicing and maintenance of commercial refrigerated cabinets, coldstores, refrigeration and air conditioning systems. Also offers refurbishment, spare parts,…
Serves B2B customers in food retail, wholesale, distribution and industrial sectors across the UK, particularly organisations operating commercial refrigerated cabinets, coldstores and food supply…
Financial Health
HealthyHealthy · -89% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, repair, servicing and maintenance of air conditioning and refrigeration systems for commercial premises. Supplies equipment, carries out fault finding, and offers ventilation…
Serves commercial clients across London, the Home Counties, Hertfordshire and Essex, including NHS organisations, schools and colleges, food producers, breweries, hospitality businesses, and retail…
Financial Health
WeakWeak · -68% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsInstalls and services commercial and industrial refrigeration, air conditioning and HVAC systems. Provides electrical installation, testing and commissioning, plus maintenance contracts and breakdown…
Serves UK retail, hospitality, commercial and industrial customers, ranging from small sites with beer cooler systems to large distribution centres, plus domestic electrical clients.
Financial Health
WeakWeak · Hiring · 5% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides commercial HVAC services including installation, servicing and maintenance of air conditioning, refrigeration, boiler and ventilation systems. Also offers diagnostics, plant optimisation,…
Serves commercial and industrial organisations, plus public sector bodies including local authorities, educational establishments and government organisations. Targets clients responsible for HVAC…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsInstalls, services and repairs air conditioning and refrigeration systems for residential and commercial customers. Also supplies and hires portable air conditioning units, installs ventilation…
Serves homeowners and businesses needing air conditioning, refrigeration, ventilation and heat pump support across Wiltshire, Somerset and Bristol.
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, servicing and maintenance of commercial and domestic gas plumbing, heating and HVAC systems. Services include inspection of gas appliances and pipework, plantroom asset…
Serves domestic homeowners, restaurants, care homes, hotels, factories, retail sites, industrial premises and public sector organisations across the country needing gas, plumbing, heating or HVAC…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains air conditioning and mechanical building services for commercial buildings. Provides HVAC, heating, ventilation, electrical, plumbing, building management systems,…
Serves B2B clients across Greater London, the Home Counties and south of England, including architects, main contractors, engineers, surveyors and end users needing building engineering and…
Financial Health
HealthyHealthy · -69% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDesigns, installs and services air conditioning, refrigeration, and ventilation systems for commercial and industrial premises. Provides planned maintenance and fresh air systems for sectors…
Serves B2B customers, including offices, commercial and industrial premises, retailers, leisure venues and medical-sector organisations, mainly around Bath, Bristol and surrounding areas with…
Financial Health
WeakWeak · -18% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs, repairs and maintains chillers, heat pumps and HVAC systems for industrial and commercial facilities. Provides retrofit projects, monitoring systems, spare parts supply, and…
Serves B2B and public-sector buyers responsible for industrial and commercial buildings, including councils, healthcare organisations, charities, government bodies, non-profits and private…
Financial Health
WeakWeak · -1% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides installation, maintenance and repair of commercial and industrial mechanical and electrical systems, including air conditioning, ventilation, heating, refrigeration, electrical installations…
Serves commercial and industrial businesses, especially facilities teams in factories and food production sites such as bakeries and fish processing plants.
Financial Health
StableStable · -88% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsInstalls and services air conditioning and refrigeration systems for residential, commercial and industrial premises. Provides consultation and installation of air source heat pumps and handles F-Gas…
Serves residential, commercial and industrial customers, including homeowners and businesses with premises requiring air conditioning, refrigeration or heat pump systems.
Financial Health
WeakWeak · -7% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsProvides design and installation of HVAC and refrigeration systems, including split and VRF air conditioning, heat recovery systems, water chillers, air handling units, ventilation and air…
Serves business customers, building owners and facilities managers responsible for commercial premises requiring HVAC, refrigeration, electrical and ductwork installations.
Financial Health
WeakWeak · -9% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides design, installation, repair and maintenance of heating, air conditioning, refrigeration and ventilation systems. Offers planned maintenance contracts and emergency call-out services,…
Serves businesses needing building systems support, including large hotel and restaurant chains and private sector companies, primarily across Scotland and the North of England.
Financial Health
HealthyHealthy · -68% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsInstalls, maintains and repairs air conditioning and refrigeration systems for residential and commercial properties. Services include system design and installation, routine servicing, breakdown…
Serves domestic homeowners and commercial customers with residential or commercial premises across Ormskirk, Lancashire and the North West of England.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, repair and maintenance of air conditioning, refrigeration, chiller and ventilation systems. Offers mechanical engineering and HVAC services for residential and commercial…
Serves commercial and residential customers across the UK, with emphasis on retail sites, facilities managers and other businesses needing air conditioning, refrigeration and ventilation support.
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides sales, installation, maintenance and repair of commercial refrigeration and cooling systems, including cold rooms, cellar cooling and air conditioning. Supplies refrigerated catering…
Serves B2B customers including foodservice and catering operators, pubs and bars, florists, and other commercial premises across Merseyside and mainland UK with refrigeration needs.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides installation, maintenance, and repair of commercial air conditioning, heating, ventilation, and refrigeration systems. Also delivers building services including plumbing, electrical work,…
Serves businesses and organisations across the Midlands, including offices, industrial sites, leisure centres and other commercial premises needing building services support.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsDesigns, installs and maintains air conditioning systems for commercial and residential premises. Provides repair, servicing and 24‑hour support, and works with brands such as Daikin and Mitsubishi.…
Serves businesses and homeowners across Central Scotland, including retail outlets, restaurants, offices and computer room operators.
Financial Health
HealthyHealthy
Location
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Computed from 5 filingsInstalls, services and repairs air conditioning systems for domestic and commercial premises, and sells, maintains and repairs commercial refrigeration equipment including fridges, cold rooms and ice…
Serves homeowners and commercial premises across Essex and London, including offices, restaurants, shops and schools with air conditioning or commercial refrigeration needs.
Financial Health
WeakWeak · -67% CAGR over 4y
Location
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Computed from 3 filingsDesigns, supplies and installs commercial and industrial heating systems, including warm air heating and hot water systems. Provides site surveys, bespoke system design, appliance servicing, and…
Serves businesses of all sizes needing commercial or industrial heating, including factories, warehouses, workshops, garages, hotels, campsites, retail/showrooms, sports halls and indoor…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
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Computed from 5 filingsDesigns, supplies, installs and maintains air conditioning systems for commercial and residential properties. Provides servicing to ensure efficient operation and compliance with F‑Gas regulations,…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides servicing, repair and planned maintenance of bulk milk tanks and refrigeration equipment. Supplies and installs milk cooling tanks, commercial refrigeration, air conditioning systems, and…
Sells to agricultural and commercial customers, especially dairy farms needing bulk milk tanks, milk cooling and hot water systems, plus businesses requiring refrigeration and office air conditioning…
Financial Health
StrongStrong · -11% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides heating, ventilation and air conditioning (HVAC) installation, maintenance and repair services for commercial buildings, including system design and engineering support for climate control…
Serves businesses in Northern Ireland needing heating, ventilation and air conditioning support for commercial projects.
Financial Health
HealthyHealthy · 1% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, maintenance and repair of air-conditioning and refrigeration systems, including heat pumps and large chillers, and offers 24-hour emergency call-out services to address…
Serves households and businesses needing air conditioning and refrigeration support, from small heat pump users to organisations operating large chillers, including customers requiring emergency…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains refrigeration and cold storage systems for agricultural, commercial and industrial use. Provides air conditioning installation, heat pump servicing and repairs, and…
Serves agricultural, commercial and industrial organisations needing refrigeration or cold storage, plus domestic and commercial property owners with air conditioning, heat pump and swimming pool…
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsSupplies and installs commercial refrigeration, air conditioning and renewable heating systems. Provides sales of refrigeration equipment, equipment hire, and maintenance and servicing for cooling,…
Serves commercial customers in the Aberdeen area that require refrigeration, air conditioning, pumps or renewable heating equipment, including ongoing service and maintenance buyers.
Financial Health
StableStable · -15% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, servicing and repair of heating, ventilation and air conditioning systems. Also offers boiler servicing, plumbing repairs, water hygiene services, gas testing and purging, TMV…
Serves homeowners and landlords in South Wales, plus commercial and industrial clients across the UK, including blue-chip property operators along the M4 corridor.
Financial Health
HealthyHealthy · -16% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsInstalls, repairs and maintains air conditioning, refrigeration and ventilation systems for residential, commercial and industrial buildings. Supplies and fits wall‑mounted, cassette, ducted,…
Serves homeowners, commercial businesses and industrial clients needing air conditioning services across Kent, London and the South East.
Financial Health
WeakWeak · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides design, installation, and maintenance of commercial refrigeration systems. Offers air conditioning and climate control services, insulated panelling, and repair and servicing of…
Serves commercial refrigeration users across the North East, including businesses such as ice cream manufacturers and public-sector or healthcare sites such as local hospitals.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsSupplies, installs, maintains and repairs commercial refrigeration units and air conditioning systems for businesses. Provides servicing and engineering support for cooling equipment, including…
Serves businesses needing commercial refrigeration and air conditioning across South Wales and nearby areas including Bristol, Bath, Gloucester, Taunton, Swindon, Cheltenham and Hereford.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 2 filingsProvides mechanical building services including design, fabrication and installation of industrial and commercial pipework, plumbing, ventilation and HVAC systems. Also delivers off‑site manufactured…
Serves B2B and public sector clients, including university and hospital estates teams, councils, care homes, hospitality and leisure operators, factories, process-system sites, and some domestic…
Financial Health
StableStable · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 3 filingsProvides domestic and commercial gas and heating services including boiler installation, servicing and repairs. Installs and maintains air conditioning systems and heat pumps, and offers emergency…
Serves UK homeowners and businesses needing domestic or commercial heating, cooling, boiler, plumbing and renewable energy support, including emergency callouts and planned installations.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides maintenance, servicing and repair of commercial catering equipment including cooking, food preparation, warewashing and refrigeration systems. Also designs, supplies and installs commercial…
Serves commercial catering and refrigeration users, including local authorities, hospitals, hotels, prisons, police authorities, restaurants, schools, universities and visitor attractions across…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsSupplies, installs, services and repairs air conditioning systems for domestic, commercial and public sector clients. Provides maintenance, breakdown repair and equipment hire, and installs cooling…
Serves businesses of all sizes, public sector organisations and domestic customers across Nottingham, Derby, Leicester and the East Midlands, including homeowners, offices, shops and server room…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, repair and maintenance of commercial refrigeration and air conditioning systems, including emergency callouts. Serves businesses such as restaurants, supermarkets, bars and…
Serves commercial clients across Greater London and beyond, including restaurants, supermarkets, bars and retail shops needing refrigeration and air conditioning support.
Financial Health
WeakWeak · -4% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides engineering services for lifting systems and refrigeration equipment, including installation, maintenance and testing of tail lifts, passenger access lifts, hoists and ramps, along with…
Serves B2B and public-sector customers, including road, rail and marine transport operators, food processing and catering businesses, industrial and commercial sites, utilities, military…
Financial Health
StableStable · Hiring · 4% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides commercial gas and oil heating services including boiler servicing and maintenance, plant room inspections, gas safety testing, boiler and heating system installation, plumbing, gas booster…
Serves commercial, industrial and public-sector sites in Surrey, Hampshire and South London, including care homes, private and state schools, prisons, hospitals, army barracks, universities, fire…
Financial Health
HealthyHealthy · -7% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsSupplies and installs air conditioning systems for domestic and commercial properties, including split, multi‑split, ducted and cassette units. Provides system design, maintenance, servicing, fault…
Serves homeowners, domestic customers, small offices and larger commercial clients across Leicester and surrounding Leicestershire towns.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides design, installation and maintenance of electrical and mechanical building services, including HVAC, gas, heating, ventilation, lighting, power distribution, and fire and security systems…
Serves commercial property developers, education and healthcare organisations, housing associations, PRS/student accommodation developers, and industrial clients including data centres, manufacturers…
Financial Health
StrongStrong · Growing, Hiring · 62% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides heating, air conditioning and plumbing services including installation, maintenance and repair of HVAC systems, A/C units and plumbing fixtures. Offers emergency call-outs and undertakes…
Serves residential homeowners, commercial organisations and industrial clients seeking heating, air conditioning and plumbing contractors.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, repair and maintenance of air conditioning and commercial refrigeration systems. Supplies and fits units for homes and businesses, including bars, restaurants, shops and…
Serves both B2C and B2B customers, including homeowners and business owners. Targets commercial clients such as bars, restaurants, shops and grocery businesses needing refrigeration or air…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides mechanical and electrical building services including design and installation of power distribution, lighting, fire alarms, ventilation, heating, air conditioning, and water systems for…
Serves B2B and public sector clients on £1m–£10m building projects, including main contractors, local authorities and organisations in commercial, education, healthcare, industrial, retail, telecom,…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides building engineering services including mechanical and electrical installations, HVAC and plumbing, fire alarms and security systems, water treatment and Legionella compliance, data cabling,…
Serves public-sector bodies, housing associations, education and healthcare estates, commercial developers, main contractors and building managers needing compliant building services support.
Financial Health
HealthyHealthy · -2% CAGR over 4y
Location
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Computed from 5 filingsSupplies, installs, services and repairs commercial catering equipment and refrigeration. Provides equipment design and supply, mechanical and electrical servicing, maintenance contracts, inspection…
Serves B2B customers operating commercial kitchens, including catering and hospitality organisations that use commercial catering equipment and refrigeration and require planned maintenance and…
Financial Health
StableStable · -6% CAGR over 4y
Location
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How Duda usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling. HVAC companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of HVAC companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
Duda is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK HVAC by CMS
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Frequently asked questions
How many UK HVAC companies use Duda?
What share of UK HVAC companies run Duda?
How is Duda usage detected?
What size HVAC companies use Duda in the UK?
What do Duda-running HVAC companies also run?
Can I get contact details for these companies?
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