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Heat Pump Companies in Glasgow: 37 Active Firms (2026)
Heat pump companies design, install and maintain low-carbon heating systems for homes and buildings across Glasgow.
Buying decisions in this market split between domestic retrofit customers, commercial estates teams, housing providers and public-sector building owners. The Glasgow-facing supplier base spans specialist installers, building-services contractors, distributors and energy-services operators, so engagements range from survey-led home installations to managed programmes covering design, commissioning and maintenance. Air-source work tends to suit smaller retrofit briefs, while ground-source and hybrid systems usually bring more design coordination, grid and fabric-efficiency checks, and grant-related administration. The buying centre is therefore as much estates, finance and compliance as it is plumbing or mechanical engineering.
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Glasgow has 37 actively trading heat-pump and low-carbon-heating companies. The local cohort is not purely micro-scale: 8 have turnover above £5M, while 5 were incorporated since 2022, pointing to a mix of older building-services contractors and newer low-carbon heating specialists. Reported headcount totals 924, so the employment footprint extends beyond owner-managed installer firms into design, sales, distribution and maintenance teams serving west central Scotland.
Ofgem-administered support shapes installer behaviour even where Glasgow contractors are selling into Scottish projects rather than England and Wales schemes. Grant eligibility turns on installer certification, commissioning evidence and claim administration, which favours firms able to manage paperwork as well as plant specification. The Clean Heat Market Mechanism also changes upstream incentives by requiring heating-appliance suppliers to earn low-carbon-heating credits against fossil-fuel boiler sales. The Heat Pump Association gives the sector a trade-body voice, particularly around product supply, training capacity and manufacturer obligations.
Demand appears tied less to consumer fashion than to building decarbonisation budgets, boiler-replacement cycles and the ability of contractors to evidence compliant installation. Glasgow’s market tends to favour firms that can sit between household retrofit, commercial plant rooms and public procurement, rather than pure hardware resale. Scarcity of scaled operators may keep acquisition interest alive among wider building-services groups, although installer capacity and customer payback concerns still constrain the pace. Expect the split between accredited specialists and generalist mechanical contractors to remain a defining feature.
37
Active firms
2026
8
Above £5M
reported turnover
5
Since 2022
new incorporations
Key facts
About 21% of the trading cohort reports turnover above £5M (8 of 37 firms) — the rest sits below that revenue band.
13% of the cohort was incorporated since 2022 (5 firms), so a sizeable share is in its first few filing cycles.
Ofgem administers low-carbon heating grants in England and Wales, with eligible heat-pump installations requiring an MCS-certified installer.
0% VAT on installation of energy-saving materials, including heat pumps, applies from 1 April 2022 to 31 March 2027.
The Clean Heat Market Mechanism came into force on 1 April 2025, with Year 1 set at 6% of relevant boiler sales and consultation on 8–10% for Year 2.
Certified heat-pump installations grew by 43% in 2024, while HPA figures put factory-gate sales at 98,345 units.
EHPA put UK heat-pump sales at around 3.5 per 1,000 households in 2024, compared with 48 per 1,000 households in Norway.
Top Glasgow heat pump companies
Atlas Renewable Heating Solutions Ltd
Trajectory
1y · 2025–NowDesigns, supplies, installs and maintains commercial renewable heating systems, specialising in air‑to‑water heat pumps. Provides site assessment, system specification, commissioning, diagnostics and…
Serves businesses and public sector organisations across Scotland, including retail outlets, shopping centres, offices, hotels, hospitality venues, server rooms and data centres, as well as…
Financial Health
Insufficient historyInsufficient history
Location
ABILITY ENERGYUK LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and installs renewable heating systems for domestic and commercial buildings, including ground source and air source heat pumps, biomass systems and underfloor heating. Also provides system…
Serves domestic homeowners and commercial clients in Scotland with renewable heating requirements for residential and commercial properties.
Financial Health
WeakWeak · -11% CAGR over 2y
Location
RSG BUILDING SERVICES LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDesigns, installs and maintains building mechanical services including heating, air conditioning, ventilation and water systems. Provides boiler, heat pump and pipework installation, air handling and…
Serves businesses and public-sector organisations across Scotland, including healthcare, education, commercial offices, industrial plants and data centres, typically building owners, facilities…
Financial Health
StrongStrong
Location
ENERGY CRATE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsSupplies air source and ground source heat pumps, heat pump cylinders and related equipment. Provides system design, heat loss calculations, commissioning support, site visits and training for…
Serves trade installers, heating contractors and renewables firms across Scotland and the North of England, particularly businesses delivering domestic and commercial heat pump projects for end…
Financial Health
HealthyHealthy · -23% CAGR over 2y
Location
AMK MECHANICAL SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides design, installation and maintenance of heating and plumbing systems for commercial and residential properties. Services include gas boiler installation, ventilation and air conditioning…
Serves commercial and domestic clients, including social and private housing providers, across Scotland’s central belt and other stated areas from the Borders and Aberdeen to Newcastle.
Financial Health
StableStable
Location
BRB ELECTRICAL LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides renewable energy and electrical installation services for residential and commercial properties, including solar PV panels, air source heat pumps, battery storage systems, EV chargers, gas…
Serves homeowners, landlords, businesses and social housing providers in Central Scotland needing renewable energy, heating and electrical contractors for domestic, commercial and large-scale…
Financial Health
WeakWeak · -61% CAGR over 5y
Location
Ignite Plumbing Services (Scotland) Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides domestic and commercial plumbing and heating services, including boiler installation, repair and servicing, heat pump installation and maintenance, gas safety checks, radiator and underfloor…
Serves homeowners, landlords and commercial property operators in Lanarkshire and Glasgow, including domestic customers and businesses needing plumbing, heating, gas and renewable heating support…
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
City Technical Services (UK) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsInstalls and replaces domestic boilers and heating systems, providing system cleansing, breakdown assistance and maintenance. Also supplies electrical heating, heat pumps, solar panels, battery…
Serves homeowners and domestic property owners in Glasgow and Scotland’s central belt seeking boiler, heating and renewable energy upgrades, with consumer finance options for individual households.
Financial Health
HealthyHealthy · Profitable · -4% CAGR over 2y
Location
UNION TECHNICAL HOLDINGS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsInvestment holding company overseeing a group that delivers energy‑efficiency retrofit works for residential properties under the ECO scheme, including loft, cavity, solid wall and underfloor…
Serves individual homeowners eligible under Ofgem ECO, plus commercial property clients and registered social landlords managing housing stock.
Financial Health
StableStable · -68% CAGR over 4y
Location
Polar Building Services (Scotland) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building services maintenance and repair for commercial and industrial facilities, including air conditioning, refrigeration, electrical, plumbing, ventilation and gas systems. Offers…
Serves commercial, industrial and retail organisations, public sector bodies such as NHS Scotland and the Ministry of Defence, and domestic customers across Scotland’s central belt.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
Calder Mains Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides installation, conversion, repair and servicing of gas, LPG and oil boilers and heating systems. Installs air source heat pumps, smart heating controls and EV charging points, and offers…
Serves homeowners, landlords and letting agencies with residential properties, including those managing tenant maintenance, with an emphasis on customers around Motherwell.
Financial Health
DistressedDistressed · 0% CAGR over 3y
Location
Atlas Refrigeration Services Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides installation, servicing, maintenance and repair of commercial air conditioning and refrigeration systems. Supplies HVAC equipment from major manufacturers and installs renewable heating and…
Serves business and organisational clients in Scotland, particularly those with commercial premises requiring HVAC, refrigeration support, and decarbonisation or net zero programmes.
Financial Health
StrongStrong · Hiring · 80% CAGR over 1y
Location
Ohms Renewables UK Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsInstalls renewable energy and electrical systems for residential and commercial properties, including solar PV panels, battery storage, air source heat pumps, EV chargers and associated electrical…
Serves homeowners and businesses across Scotland and the UK, including domestic customers, commercial property owners and organisations involved in ECO4 projects seeking renewable energy and…
Financial Health
StableStable
Location
UNION TECHNICAL SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides energy‑efficiency retrofit services including loft, cavity, solid wall and underfloor insulation, solar PV and battery storage, air source heat pumps, and heating systems for homeowners,…
Serves UK homeowners and tenants, private customers seeking funded upgrades, businesses with commercial properties, and social housing providers/RSLs managing retrofit and refurbishment programmes.
Financial Health
HealthyHealthy · -57% CAGR over 4y
Location
Optama Ltd
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsInstalls residential renewable energy and efficiency systems, including solar PV with battery storage, air source heat pumps, electric heating, EV chargers, and home insulation. Provides home…
Serves B2C homeowners and households in Scotland seeking lower-carbon home heating, power and insulation upgrades, including those looking to use government grants or loans for energy-efficiency…
Financial Health
HealthyHealthy · 3% CAGR over 3y
Location
Homeshield Scotland Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsSupplies and installs residential home improvement products including double‑glazed windows, external doors, conservatories, orangeries and garden rooms. Also provides renewable energy systems such…
Serves homeowners across Scotland, including Glasgow, Edinburgh, Aberdeen, Dundee and Stirling, seeking residential windows, doors, living spaces and renewable home upgrades.
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 5y
Location
GREENVERSITY LTD
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsSupplies and installs solar photovoltaic systems and battery storage for residential, commercial and industrial properties. Also installs ground‑mounted solar arrays, solar farms and air source heat…
Serves homeowners in Scotland and commercial, industrial and energy-farm clients across Scotland and the UK, including businesses with premises or land for solar projects.
Financial Health
StrongStrong · Hiring · 398% CAGR over 1y
Location
Retrofit Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls residential energy‑efficiency and heating systems including solar PV, gas boilers, air source heat pumps, electric storage heaters, and insulation such as loft, cavity wall, solid wall,…
Serves homeowners, landlords and business property owners seeking ECO 4 funding eligibility for domestic or commercial properties, including those planning heating, insulation or renewable energy…
Financial Health
StrongStrong
Location
Noventa Energy (UK) Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDevelops and installs wastewater heat recovery systems that capture thermal energy from sewer networks to supply heating and cooling for buildings. Designs and delivers renewable energy…
Serves public authorities, healthcare and institutional campuses, commercial property owners, residential communities and industrial facilities pursuing wastewater energy projects, with emphasis on…
Financial Health
HealthyHealthy · Hiring · 100% CAGR over 1y
Location
ETHX ENERGY LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs, operates and maintains biomass heating systems, including renewable energy boilers, fuel handling equipment and associated heat distribution infrastructure for buildings and energy…
Financial Health
HealthyHealthy
Location
PRENTICE ELECTRICAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including installation, maintenance and fault finding for residential and commercial properties. Also installs custom lighting, air conditioning systems, heat…
Serves residential homeowners and property owners, plus commercial and industrial clients needing electrical support for new builds, renovations, maintenance, heating, cooling, lighting, pools and EV…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
ANDERSON FLOOR WARMING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies and installs heating and renewable energy systems, including air and ground source heat pumps, underfloor heating, manifold plumbing, boilers, radiators, and heat recovery…
Serves domestic homeowners, housing developers, commercial property owners and public-sector/community organisations, including schools, universities, farms, hospitality, heritage and industrial…
Financial Health
StableStable · -9% CAGR over 4y
Location
ECO COIL HEATING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies and installs renewable and energy‑efficient heating and cooling systems, including air source and ground source heat pumps, solar panels, heat recovery systems, underfloor heating and air…
Serves domestic homeowners and commercial clients, including property developers and project owners seeking planning permission, across Glasgow, Edinburgh, major Scottish cities and the Western Isles.
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
Cms Surveyors Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsDesigns and installs renewable energy systems including air source heat pumps, solar PV panels and battery storage for residential and commercial properties. Also provides heat pump servicing,…
Serves homeowners and commercial property owners across Scotland, especially around Glasgow and Dumbarton, seeking renewable energy upgrades and funding guidance for residential and business premises.
Financial Health
StableStable · 3% CAGR over 3y
Location
PRECISE INSTALLS (STRATHCLYDE) LTD.
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating installation services, including boilers, air source heat pumps, underfloor heating and air conditioning. Designs and installs bathrooms, wetrooms and commercial…
Serves domestic customers, self-build clients, private housebuilders, social housing organisations and commercial property operators across central Scotland, including construction and housing-sector…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 6y
Location
SALTIRE FACILITIES MANAGEMENT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating and air‑conditioning installation and maintenance services. Installs and services boilers, gas central heating, electrical systems, heat pumps, solar panels, battery…
Serves social housing providers and other public sector housing clients, plus private homeowners, landlords and social housing tenants. Targets residential property customers needing heating,…
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
A Tech Heating Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides commercial heating and ventilation services including boiler installation and maintenance, heat pump installation, mechanical design, pump installation and repair, pipework fabrication, and…
Serves commercial clients, local authorities and private-sector property operators across Scotland and the North of England, with some residential customers for heat pump installations.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 4y
Location
A.A.S.K Heating Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides domestic heating and plumbing services including boiler installation, maintenance and repair, central heating installation and repairs, and installation of renewable energy systems such as…
Serves homeowners and residential property owners in Glasgow and surrounding areas needing plumbing, gas boiler, central heating, heat pump, solar panel, and insulation services.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
Tom Findlay Plumbing Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and heating installation services for new‑build housing developments, delivering large-scale projects for housebuilders. Also installs air source heat pumps and other renewable…
Serves housebuilders, property developers and main contractors delivering new-build housing and renewable energy projects in Central Scotland, especially high-volume residential schemes.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
HEVAC LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies and distributes building services and renewable energy equipment, including valves, heat pumps, combined heat and power units, ventilation systems, boilers, radiators, grilles and diffusers.…
Serves M&E design practices, building services contractors and commercial property operators in Scotland, including student accommodation, hospitality, spa and facilities teams.
Financial Health
DistressedDistressed · -24% CAGR over 4y
Location
Modern Developments (Scotland) Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and heating services for residential and commercial projects, including bathroom installations, system upgrades and maintenance. Installs renewable energy systems such as heat…
Sells to residential and commercial customers, including private homeowners, estates, self-builders, local businesses, charities and not-for-profits, plus national house builders, developers and…
Financial Health
StableStable · Hiring · 8% CAGR over 2y
Location
ENERGY PIG LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsInstalls residential heating and energy efficiency systems, including boilers, air source heat pumps, radiators, insulation, and solar panels. Provides home surveys, system installation, and…
Sells to homeowners and households across Scotland seeking home heating, insulation and solar upgrades, including customers using finance options or funding support. Targets domestic consumers rather…
Financial Health
StrongStrong · Growing, Hiring · 42% CAGR over 5y
Location
Warm Home Solutions Scotland Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides assessment and installation of home energy‑efficiency measures under government-funded schemes, including insulation, heating system upgrades, air source heat pumps and solar PV. Assists…
Serves homeowners, private landlords and eligible tenants in Scotland, Wales and England, especially households on qualifying benefits or facing fuel poverty under ECO4 and ECO4 Flex criteria.
Financial Health
StrongStrong · Growing, Hiring · 66% CAGR over 1y
Location
MPC Energy Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls residential heating and energy efficiency systems, including boilers, heat pumps, electric storage heaters, solar PV panels, and insulation. Assists homeowners with applications for…
Sells to homeowners in Scotland seeking funded or subsidised home energy upgrades, especially those eligible for government schemes such as ECO4, LA Flex, GBIS and Home Energy Scotland grants and…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 4y
Location
Gask FM Technical Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides heating and plumbing services for domestic and commercial properties, including boiler installation and servicing, central heating systems, pipework and drainage, bathroom installations,…
Serves domestic homeowners and commercial property customers across the central belt of Scotland, including buyers responsible for homes, businesses and non-domestic premises needing heating,…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Air Conditioning Sales UK Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDistributes and sells Gree air conditioning and air‑to‑water heat pump systems, including wall-mounted, cassette, ducted, portable and floor-standing units, plus dehumidifiers and spares. Also…
Sells to both consumers and trade buyers in the UK, serving domestic households as well as offices, shops, server rooms, data centres and other commercial sites seeking air conditioning and heat pump…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 10% CAGR over 2y
Location
HOT WORX LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and services gas and oil boilers, central heating systems and air source heat pumps for residential properties. Provides plumbing work, heating system repairs and maintenance, and legionella…
Serves homeowners and residential property owners in Lanarkshire and nearby Glasgow, with some demand from landlords or property managers needing compliant heating, plumbing, insurance-related or…
Financial Health
HealthyHealthy · Hiring · 24% CAGR over 4y
Location
T.K MURRAY ELECTRICAL LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides domestic electrical and heating installation services, including gas central heating systems, electric storage heaters, rewiring, fuse box replacements, smoke alarm systems, EV charge…
Serves homeowners across Scotland, particularly residential customers seeking heating, electrical, energy-efficiency and renewable upgrades, including those using Home Energy Scotland funding.
Financial Health
HealthyHealthy · -67% CAGR over 4y
Location
CCL Components
Wholesale distributor of renewable energy equipment, supplying solar PV modules, inverters, mounting systems, energy storage batteries, EV chargers, off‑grid power components, and air source heat…
Serves B2B trade customers in the renewables sector, including EPCs, solar PV installers and renewable heating engineers working on domestic, commercial and industrial projects.
Location
NEAT HEAT (SCOTLAND) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls and services domestic heating systems including gas and electric boilers, central heating, and air source heat pumps. Provides system upgrades, radiator replacement, maintenance plans, and…
Serves homeowners in Scotland, particularly the central belt, seeking domestic heating upgrades, replacements, servicing or renewable heating support.
Financial Health
HealthyHealthy
Location
Acer Mechanical Services Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsInstalls and services renewable energy systems for homes, including air-source heat pumps, solar panel systems and battery storage. Provides system design, supply, installation and maintenance for…
Serves homeowners in Scotland seeking domestic renewable energy upgrades, including people replacing gas heating, adding solar generation, or installing battery storage, with support for household…
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
Location
CLYDEBANK INSTALLATIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsInstalls energy‑efficiency and renewable heating systems for residential properties, including cavity wall, loft and underfloor insulation, solar PV panels, air source heat pumps and boiler upgrades.…
Serves grant-eligible homeowners, private-paying property owners and some commercial property customers seeking energy-efficiency upgrades, renewables, boilers, insulation, roofing and roughcasting,…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
BCA Insulation Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides insulation installation for residential and commercial buildings, including cavity wall, loft, internal and external wall, underfloor and acoustic insulation. Also installs solar PV, battery…
Serves homeowners, social landlords, community groups, commercial property owners, local councils, housing organisations and governing bodies across the UK.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
WARMHOUSE LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsInstalls residential insulation systems including external and internal wall, loft, underfloor and room-in-roof insulation. Also provides rendering, plastering, roofing and roofline works, steam…
Serves homeowners and households across Scotland, particularly those seeking funded or self-funded energy-efficiency improvements for domestic properties.
Financial Health
StrongStrong
Location
Comfort Cooling Contracts Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides installation, servicing and maintenance of HVAC and air conditioning systems, including chillers, VRF/VRV systems, split AC units, heat recovery and air handling systems, and domestic heat…
Serves businesses across all sectors with HVAC equipment on site, plus domestic customers seeking heat pumps, including facilities or site managers responsible for chillers, VRF/VRV, split A/C, heat…
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
PROCAST ENERGY SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building and energy retrofit services for residential and social housing projects. Delivers insulation, heating and renewable energy installations, alongside design, consultancy and property…
Serves public and private sector organisations across the UK, including housing associations, government bodies, businesses and education providers involved in social, affordable housing and…
Financial Health
HealthyHealthy
Location
Strath-Air Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides installation, servicing and repair of domestic and commercial air conditioning, refrigeration and air source heat pump systems. Also supplies and maintains air cleaners and purifiers,…
Serves homeowners and commercial property customers across Scotland, including businesses, industrial sites, residential buyers and military organisations needing air conditioning, refrigeration or…
Financial Health
HealthyHealthy · Hiring · 14% CAGR over 3y
Location
Luths Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building services engineering consultancy focused on sustainable building design. Offers energy efficiency and renewable energy system design, energy assessments, and certifications for new…
Serves UK property developers, homeowners, housing providers, public-sector and healthcare bodies, and commercial or industrial building owners involved in new-build, retrofit and mixed-use projects.
Financial Health
StrongStrong · Hiring · 73% CAGR over 4y
Location
Albannach Einnseanair Ltd.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs, services and repairs industrial and commercial refrigeration systems, including blast freezers, CO2 refrigeration, cold and chill stores, glycol chillers and ice machines. Also…
Serves businesses with industrial and commercial refrigeration needs, including operators of cold stores, chill stores, food processing or storage sites, and facilities using blast freezers, ice…
Financial Health
StableStable · Hiring · 12% CAGR over 4y
Location
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How Glasgow heat pump companies work and how to sell to them
What they do
Glasgow heat-pump firms usually earn from a blend of equipment margin, installation labour, design fees, commissioning work and aftercare. Domestic jobs are commonly quoted project by project after a survey, with deposits, staged payments and grant administration affecting cash flow. Commercial and public-sector work tends to look more like building-services contracting: specification support, plant-room integration, controls, handover documents and planned maintenance. Distributors sit further upstream, making margin on stock availability and contractor relationships, while energy-services operators may wrap heat pumps into longer service or performance contracts rather than a single installation sale.
Who they sell to
Most suppliers sell to a mixed buyer base rather than one clean customer type. Domestic retrofit work is influenced by homeowners, landlords and housing advisers, but technical trust and grant eligibility often matter as much as price. Commercial opportunities usually involve facilities managers, estates directors, finance teams and external consultants, with procurement moving through tenders, contractor panels or consultant-led specifications. Housing providers and public-sector building owners tend to bring longer sales cycles, more evidence requirements and formal scoring. Smaller installers rely on local reputation and referrals; larger contractors are more likely to pursue framework or partner-led routes.
What they buy
Heat-pump companies tend to spend on tools that reduce survey friction, manage field labour and keep compliance evidence in order. Relevant categories include job-management software, route planning, quoting, customer finance support, document control, certification workflows, stock management and service scheduling. Firms with commercial and public-sector work may also need estimating support, bid writing, health and safety services, insurance advice, accounting, fleet management and recruitment for engineers. Distributors and multi-site contractors often buy demand forecasting, warehouse systems, trade marketing and credit-control support. Training services also matter because installation quality depends on both design knowledge and site execution.
Why and how to sell to them
Buying triggers usually appear when firms move from ad hoc installations into repeatable programmes, add public-sector or housing-provider work, or struggle to evidence compliant commissioning at scale. Headcount growth in surveyors, installers or service teams can create demand for scheduling, onboarding and quality-control tools. Regulatory change, grant-process friction and appliance-supplier obligations can also push buyers to review systems that were adequate for smaller domestic jobs. Outbound works better when it acknowledges margin pressure, skills constraints and paperwork burden, rather than presenting heat-pump adoption as a simple demand story.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. 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.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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