HVAC Companies Using RankMath SEO in the UK: 120 Active Firms (2026)
HVAC and refrigeration businesses install, maintain and service climate-control systems across the UK while running an SEO plugin on public websites.
For HVAC and refrigeration operators, the plugin is usually an execution layer for location-led demand capture rather than a standalone marketing system: service-area landing pages, maintenance guidance, compliance content and quote forms need titles, metadata, sitemaps and structured snippets kept in order. Adoption tends to signal an owner or small marketing team that treats organic search as a measurable sales channel, with budget for website upkeep and enquiry tracking. The buyer centre is often split between directors, operations managers and outsourced web agencies, because content has to reflect real service coverage as well as keyword demand.
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UK adoption is a small, visible slice of the HVAC and refrigeration web estate: 120 actively trading companies in this list run the plugin on public websites. The group reports 1,859 employees in total, giving it a contractor-heavy profile rather than a pure software or media cohort. Within the sector’s detected SEO tools, the plugin ranks second, with a 9.9% share among 1,215 HVAC and refrigeration sites; the dominant alternative accounts for 80.0%, and the next peer for 9.1%. Registered-office skew is southern but not London-centred: South East 20.0%, South West 12.5%, and East of England, Scotland and West Midlands each at 10.8%.
Procurement is usually part of a wider website-maintenance relationship rather than a standalone software purchase. Every site in the cohort also runs a mainstream content-management system, while analytics tags appear on 60.0% and bot-protection tools on 58.3%; that mix points to enquiry capture, not just brochureware. For contractors handling quote forms, call-back requests and service histories, the practical compliance burden sits around consent wording, retention of contact details and access controls between the contractor and its web agency. Vendor choice appears agency-influenced, with templates, page builders and form plugins shaping which SEO tool remains in place.
Adoption appears tied less to novelty than to website ownership. HVAC and refrigeration contractors tend to keep an SEO plugin when it supports service-area pages, quote capture and maintenance content without forcing a wider platform migration. Pressure may come from agency consolidation, bundling inside site-builder workflows and privacy expectations around tracking scripts. Smaller contractors are likely to remain plugin-led, while more mature regional operators may fold SEO, analytics and call tracking into broader demand-generation processes. The category therefore looks sticky but exposed to substitution when agencies rebuild sites or standardise their preferred stack.
Adoption by company size
Adoption of RankMath SEO 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 RankMath SEO (75 detected). 3.7% of the 1,144 companies with 10–50 employees run RankMath SEO (42 detected). 4.8% of the 83 companies with over 50 employees run RankMath SEO (4 detected). That is a 4.5% gap between the over 50 employees and under 10 employees bands.
120
Active firms
2026
9.9%
Of detected SEO share
UK HVAC
8
Median headcount
Filed accounts
240
Verified contacts
Across this cohort
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Key facts
About 7% of the trading cohort reports turnover above £5M (9 of 120 firms) — the rest sits below that revenue band.
8% of the cohort was incorporated since 2022 (10 firms), so a sizeable share is in its first few filing cycles.
Within HVAC businesses with a detectable SEO system, RankMath SEO accounts for 9.9% (120) of detections, behind Yoast SEO at 80.0% (972) and ahead of All in One SEO at 9.1% (111).
Every RankMath SEO-running HVAC firm also has WordPress detected, while 60.0% (72) also run Google Analytics and 58.3% (70) run reCAPTCHA.
The regional skew is led by the South East at 20.0% (24), followed by the South West at 12.5% (15).
Sector tags overlap: Field Services & Trades covers 100.0% (120), Construction 36.7% (44) and Renewable Energy 15.8% (19).
SEO market share among UK HVAC
Share of the 1,215 UK HVAC with a detectable system. As of June 2026.
What else do RankMath SEO-running HVAC run?
Share of the 120 RankMath SEO-running UK companies where each technology was also detected. As of June 2026.
Where RankMath SEO 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.
8
Median headcount
£700.7K
Median UK turnover
7.5%
Above £5M turnover
10
Incorporated since 2022
240 verified decision-maker contacts
across these 120 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK HVAC using RankMath SEO
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 5 filingsProvides commercial air conditioning, refrigeration, and ventilation services, including system installation, maintenance, repair, efficiency controls, and testing and compliance inspections for…
Serves B2B customers across Yorkshire and the UK, including hospitality venues, pubs and other commercial premises with refrigeration, air conditioning, ventilation and compliance needs.
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 5y
Location
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Financial sub-scores
Computed from 5 filingsProvides commercial HVAC services including design, installation, maintenance and compliance auditing for air conditioning, refrigeration, ventilation and heating systems. Also installs air source…
Serves B2B customers across commercial sectors that operate HVAC, refrigeration, ventilation or heating equipment, including organisations needing to maintain compliant, reliable commercial spaces…
Financial Health
StrongStrong · Growing, Hiring · 33% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides commercial air conditioning and refrigeration services including system design, supply and installation of HVAC systems, chillers and cold rooms, along with repair and planned maintenance…
Serves commercial and industrial organisations across the UK and Ireland, including facilities managers, contractors, warehouses, logistics operations and businesses needing compliant air…
Financial Health
HealthyHealthy · -5% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsSupplies, installs and services commercial refrigeration systems, catering equipment, ventilation canopies and air conditioning units. Provides cold rooms, chillers, climate control systems and…
Serves UK businesses and public-sector organisations needing commercial kitchens, refrigeration or climate control, including hospitality venues, education providers, healthcare/emergency services,…
Financial Health
DistressedDistressed · -7% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsInstalls, services and repairs commercial air conditioning and refrigeration systems, including cold rooms, cellar cooling, server room cooling and bar or restaurant refrigeration equipment, and…
Sells primarily to businesses needing commercial air conditioning and refrigeration, including offices, bars, restaurants, breweries and other premises requiring cellar cooling, cold rooms or server…
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains air conditioning, ventilation and HVAC systems for commercial and industrial premises. Provides system servicing, repair, and mechanical building services including…
Serves commercial and industrial businesses across the UK, including manufacturing, healthcare, hospitality and retail organisations, typically facilities or operations teams responsible for…
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides sales, installation, servicing and repair of refrigeration and air conditioning systems for commercial and industrial clients. Designs and installs systems, maintains equipment, and services…
Serves businesses and homeowners across the UK, including industrial, commercial, retail, leisure and residential customers, as well as organisations requiring ongoing maintenance contracts.
Financial Health
StableStable · 0% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides sales, maintenance, repair and hire of industrial water chillers and cooling systems. Offers emergency breakdown support, planned preventative maintenance, system diagnostics and supply of…
Serves B2B industrial and manufacturing organisations across the UK, including automotive suppliers, plastics and packaging firms, breweries, pharmaceuticals, laboratories, machine tooling,…
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides commercial and industrial HVAC services including design, supply, installation and commissioning of heating, ventilation and air conditioning systems. Also delivers maintenance, breakdown…
Serves commercial and industrial organisations with building and facilities needs, including businesses managing multi-system sites and large projects across London, the South East, South West and…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides design, supply and installation of air conditioning and HVAC systems, including refrigerant systems, heat pumps, ventilation and air purification. Also delivers surveys, specification,…
Serves UK-wide commercial clients and contractors, including fit-out contractors, facilities management teams, healthcare providers, offices, hospitality and leisure venues, education organisations,…
Financial Health
StableStable · Hiring · 20% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides design, installation and maintenance of heating, ventilation and air conditioning (HVAC) systems. Offers air conditioning, heating controls, ventilation systems, and repair and servicing for…
Serves businesses and organisations across the UK in commercial, industrial, healthcare, education, retail, hospitality, leisure, financial services and restaurants, plus high-end residential project…
Financial Health
StableStable · -5% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsInstalls and maintains commercial heating, ventilation and air conditioning systems and gas boilers. Provides electrical safety testing, emergency lighting, EV charger installation, energy efficiency…
Serves commercial property owners and facilities managers, especially hotels, retail outlets, care homes and sports facilities, with nationwide multi-site coverage.
Financial Health
StableStable · -67% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, maintenance and repair of industrial and commercial heating, boiler and air conditioning systems. Offers HVAC system design, cooling installations, emergency breakdown repairs…
Serves B2B and public sector organisations across the UK, especially operators of commercial and industrial premises such as hospitals, prisons, schools, colleges, warehouses, churches and hotels,…
Financial Health
WeakWeak · 2% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical engineering services, including installation and maintenance of heating, ventilation, air conditioning, chilled water, and ventilation systems. Also undertakes…
Serves UK businesses and organisations with commercial, retail and industrial sites, including facilities managers, contractors, large client teams and grid-scale energy storage project developers.
Financial Health
StableStable · -13% CAGR over 4y
Location
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Financial sub-scores
Computed from 2 filingsProvides air conditioning and precision cooling systems for commercial and industrial facilities, including consultancy, system installation, servicing and maintenance, chiller refurbishment and…
Serves B2B and public sector customers with critical temperature-control needs, including food and drink, pharmaceutical, chemical, hospital, government building and data centre operators.
Financial Health
StrongStrong · Hiring · 133% CAGR over 1y
Location
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Financial sub-scores
Computed from 2 filingsDesigns, manufactures and installs commercial refrigeration systems and display cabinets for retail, convenience and foodservice environments. Provides system design, logistics, installation and…
Serves retail, convenience and foodservice businesses, including supermarket chains, co-operatives and store operators with chilled or frozen display refrigeration needs.
Financial Health
StrongStrong · Growing, Hiring · 30% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsProvides HVAC contracting services including air handling unit (AHU) installation, refurbishment and maintenance, ventilation upgrades, electrical installation, and building management control…
Serves building operators, facilities leaders and estates teams at critical UK estates, including Tier 1 FM firms, NHS Trusts, public sector estates, car manufacturers and ventilation equipment OEMs.
Financial Health
StrongStrong · Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides installation, servicing and repair of commercial HVAC systems including heating, air conditioning and ventilation. Also delivers plumbing, drainage, water hygiene and treatment services,…
Serves commercial and public-sector facilities across the South of England, including schools, healthcare providers, hospitality venues, defence sites, retail, industrial and office premises.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, supplies, installs and maintains air conditioning, cooling, heating and ventilation systems for commercial, industrial and domestic buildings. Provides data centre cooling solutions, chiller…
Serves commercial, industrial and domestic customers, including businesses with offices, server rooms or data centres, plus homeowners; also works with consultants and client-side project teams.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides temporary boiler hire and rental of chillers, portable air conditioning units and heaters for commercial use. Delivers, installs and maintains equipment to provide short‑term heating and…
Serves businesses and event organisers needing temporary heating or cooling, including commercial sites with boiler breakdowns or short-term project requirements across London and nationwide.
Financial Health
StrongStrong · Growing, Hiring · 53% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDesigns, installs, and maintains air conditioning, HVAC, and refrigeration systems for commercial, industrial, and retail environments. Provides system design, commissioning, servicing, and ongoing…
Serves businesses needing HVAC and refrigeration support, including commercial and industrial sites, offices, retailers and shopfitters, plus some homeowners, mainly across London and the South of…
Financial Health
HealthyHealthy · Hiring · 123% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including installation, maintenance and repair of heating, hot and cold water, ventilation, air conditioning and solar PV systems, along with…
Serves facilities, property and procurement teams in large retail, higher education, healthcare and care homes, commercial organisations and general industry.
Financial Health
StableStable · -20% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDesigns, supplies and installs air conditioning and HVAC systems for domestic and commercial buildings. Provides ventilation and heat recovery systems, air source heat pumps, TM44 inspections, and…
Serves businesses and homeowners, mainly across southern England and the UK, including offices, restaurants, hotels, hairdressers, leisure centres, schools and organisations with server rooms.
Financial Health
StableStable · Hiring · 13% CAGR over 2y
Location
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Computed from 3 filingsProvides electrical engineering services including installation and maintenance, refrigeration system design and commissioning, electrical testing, facilities management, energy monitoring, surge and…
Sells to businesses and organisations across the UK, particularly commercial and industrial buyers in manufacturing, hospitality, retail, pharmaceutical, food and drink, warehousing, distribution and…
Financial Health
WeakWeak · 2% CAGR over 2y
Location
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Computed from 5 filingsProvides HVAC system design, installation, servicing and maintenance for commercial and industrial buildings. Specialises in large chiller plant installation and replacement, energy management…
Serves B2B industrial and commercial building operators, construction and facilities maintenance teams, including data centres, across England and Wales with complex HVAC and energy management needs.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical, electrical, and public health engineering services for commercial and industrial buildings, including design, installation, and maintenance of HVAC, plumbing, ventilation, power…
Serves commercial and industrial organisations across the UK seeking turnkey M&E contractors for building projects, maintenance, and sustainability upgrades.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides commercial building engineering services including installation, maintenance and repair of HVAC and air conditioning systems, gas and oil boilers, ventilation equipment, and electrical…
Serves businesses and public-sector organisations managing commercial offices, industrial units, schools, leisure centres and residential care homes, mainly across Hertfordshire, London and the M25.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides building services maintenance and facilities management, including planned preventative maintenance, mechanical and electrical servicing, mobile and resident engineers, emergency technical…
Sells to organisations needing facilities management and building maintenance, including facilities teams, property managers and building operators seeking planned maintenance, compliance support and…
Financial Health
DistressedDistressed · -12% CAGR over 2y
Location
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Financial sub-scores
Computed from 2 filingsProvides facilities management services including building maintenance, mechanical and electrical installation, air conditioning, fire and security systems, grounds maintenance, energy management,…
Serves UK businesses and organisations that manage buildings or estates, including facilities, property and operations teams needing outsourced support across Scotland, England and the wider UK.
Financial Health
WeakWeak · 0% CAGR over 1y
Location
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Computed from 3 filingsProvides design, installation, servicing and maintenance of plant room systems for commercial and industrial buildings, including gas, mechanical, electrical, HVAC and pipework systems, with…
Sells to businesses and organisations needing plant room, HVAC and M&E support, including facilities management teams, commercial and industrial building operators, schools, and social or sheltered…
Financial Health
StrongStrong · Growing, Hiring · 61% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides HVAC commissioning and commissioning management services, along with water treatment and chlorination for building systems. Supports the planning, testing, and delivery of heating,…
Serves businesses and project teams across the UK that manage commercial HVAC and water systems, including building contractors, facilities managers and organisations needing commissioning or water…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 2y
Location
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Computed from 5 filingsProvides engineering services for industrial and commercial steam and hot water boilers, including hire and sales, maintenance, servicing and breakdown repairs. Also supplies burner servicing, boiler…
Serves industrial and commercial organisations with steam and hot water boiler needs, including facilities and operations teams requiring hire, sales, repairs, servicing, burner support or water…
Financial Health
StableStable · -2% CAGR over 4y
Location
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Computed from 3 filingsProvides installation, maintenance and repair of air conditioning and refrigeration systems, including cellar cooling and walk‑in fridges. Also delivers plumbing, heating, electrical and ventilation…
Serves businesses and property owners needing air conditioning, refrigeration, ventilation, plumbing and electrical support, including customers requiring cellar cooling and walk-in fridge/freezer…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 2y
Location
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Computed from 4 filingsDesigns, supplies, installs and maintains HVAC systems including air conditioning, heating, ventilation and air source heat pumps for domestic, commercial and industrial buildings. Also provides…
Serves homeowners, landlords, commercial building operators and industrial facilities needing property systems support, with a focus on domestic, commercial and industrial clients in London and the…
Financial Health
StrongStrong · Growing, Hiring · 44% CAGR over 3y
Location
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Computed from 5 filingsDesigns, supplies, installs and maintains commercial kitchen extraction, ventilation and HVAC systems. Provides extractor fan installation and repair, air conditioning systems, ductwork cleaning, and…
Sells to businesses operating commercial kitchens, including restaurant chains, takeaways, supermarkets and food venues needing kitchen extraction, ventilation and HVAC services, particularly across…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 2 filingsSupplies, installs and services air conditioning systems, heat pumps and dehumidifiers for commercial and residential buildings. Provides system design and surveys, installation and commissioning,…
Serves commercial and residential customers across the North West, including manufacturers, offices, retail outlets, education buildings, laboratories, clinical areas and homeowners; also sells parts…
Financial Health
HealthyHealthy · Hiring · 20% CAGR over 1y
Location
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Computed from 5 filingsDesigns, installs and maintains commercial HVAC and building services systems, including heating, boilers, air conditioning, ventilation and fume extraction. Also provides electrical and plumbing…
Serves businesses and organisations managing buildings, including warehouses, offices, schools, churches, hospitals and hotels, plus owners of large homes.
Financial Health
HealthyHealthy · -63% CAGR over 4y
Location
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Computed from 3 filingsProvides facilities management and engineering services including commercial catering equipment supply and servicing, refrigeration systems, mechanical and electrical installation, fit‑out and…
Serves commercial and public-sector organisations in Scotland, including schools, offices, hotels, local authorities, leisure venues, hospitality operators, education providers and healthcare sites.
Financial Health
HealthyHealthy · Hiring · 27% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides servicing, repair and preventative maintenance for commercial catering and kitchen equipment. Also supplies and installs equipment, and offers asset management, gas certification, and…
Serves B2B hospitality and foodservice operators with commercial or industrial kitchens, including restaurants, hotels, venues and premium retail sites in London and across the UK.
Financial Health
HealthyHealthy · -3% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsDesigns, installs, validates, and maintains building services systems including air conditioning, heating, and plumbing. Provides site surveys, project construction, testing, and facilities…
Serves businesses and institutions in pharmaceuticals, retail, education, industrial, IT and hospitality sectors, particularly organisations needing clean, controlled or comfortable environments for…
Financial Health
StableStable · -7% CAGR over 2y
Location
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Computed from 5 filingsInstalls, services and repairs air conditioning and refrigeration systems for commercial, industrial and residential properties. Provides ventilation, cold room installation, heat pumps, water‑cooled…
Serves commercial and industrial businesses with premises needing climate control or refrigeration, plus homeowners seeking domestic air conditioning, primarily around Milton Keynes and surrounding…
Financial Health
StableStable · -4% CAGR over 5y
Location
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Computed from 3 filingsDesigns, installs and maintains heating, ventilation and air conditioning (HVAC) systems. Works with gas and oil heating, air source heat pumps, steam, air and water services, and provides planned…
Sells B2B to construction firms, project managers and commercial clients needing HVAC design, installation and maintenance, particularly on educational, commercial, new-build and refurbishment…
Financial Health
StableStable · 3% CAGR over 2y
Location
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Computed from 5 filingsProvides building services engineering and mechanical maintenance for commercial buildings, including HVAC and plant maintenance, specialist mechanical works, 24/7 call-out support, and design, CAD…
Serves B2B clients responsible for commercial and high-profile buildings, including property owners, facilities managers, landlords and project teams managing building portfolios.
Financial Health
StableStable · Hiring · 8% CAGR over 4y
Location
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Computed from 3 filingsProvides mechanical building services installation for construction projects, including commercial and domestic plumbing and heating systems, boiler house and central plant installations,…
Serves construction industry clients needing new or refurbished mechanical services, including large-scale commercial projects and domestic developments, predominantly in London and south east…
Financial Health
WeakWeak · -13% CAGR over 2y
Location
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Computed from 5 filingsProvides facilities management and building maintenance services for commercial and industrial sites, including planned and reactive maintenance, HVAC support, M&E works, fire and security systems,…
Sells to businesses needing facilities management and engineering support, especially in logistics, distribution, manufacturing, retail, transport, hospitality, leisure, petrochemical and rail.…
Financial Health
StableStable · -47% CAGR over 4y
Location
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Computed from 5 filingsProvides building services including plumbing, heating, mechanical and electrical installation, gas maintenance, and property upgrades. Offers boiler installation and servicing, home maintenance…
Serves homeowners and landlords across Scotland, plus public and private-sector organisations with domestic or commercial property portfolios, including social housing providers, commercial property…
Financial Health
WeakWeak · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical building maintenance and engineering services for commercial properties, including plumbing, heating, drainage repairs, air conditioning, electrical services, water hygiene, fire…
Serves commercial clients, facilities managers and property owners in London and the South East responsible for maintaining business premises and building systems.
Financial Health
DistressedDistressed · -10% CAGR over 4y
Location
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Computed from 3 filingsProvides mechanical and electrical (M&E) building services for commercial projects, including electrical installations, fire detection systems, emergency lighting, and data cabling, alongside…
Serves commercial and corporate clients across the UK, including brands in sectors such as drinks, financial services and entertainment.
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
Location
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Computed from 5 filingsProvides mechanical building services including installation and maintenance of air conditioning, heating, plumbing, ventilation and water systems for commercial, industrial and public sector…
Serves B2B and public sector clients, including facilities and property teams responsible for commercial buildings, industrial sites, healthcare premises and other non-domestic properties.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 2 filingsProvides mechanical and electrical building services for commercial and public sector properties, including installation, maintenance, compliance, breakdown repairs, plant replacement, and renewable…
Serves blue-chip companies, local authorities and commercial property operators across London and the Home Counties, including offices, housing providers, health and medical facilities, education…
Financial Health
StrongStrong
Location
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How RankMath SEO 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.
RankMath SEO is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
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Frequently asked questions
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