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Plumbing & Heating Companies in Leeds: 700+ Active Firms (2026)
Plumbing and heating companies in Leeds install, repair and maintain water, gas and heating systems across the city-region.
Buying decisions tend to sit with facilities managers, estates teams, main contractors and property-maintenance buyers rather than household consumers. Work is split between reactive repair, planned maintenance, compliance-related servicing and project packages inside wider mechanical building-services contracts. The most relevant customer base is commercial premises, public-sector estates and larger residential portfolios across West Yorkshire, where contractors need enough labour capacity or subcontractor control to cover call-outs, site work and scheduled maintenance. Engagements are usually practical and procurement-led: buyers care about response times, certification, evidence of safe gas work and the ability to co-ordinate with construction or facilities-management supply chains.
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Leeds has 792 actively trading plumbing and heating companies in this list, making it a sizeable local contractor base rather than a small specialist cluster. The reported employment footprint is 1,549 people, tied to contractors serving facilities-management, construction and property-maintenance supply chains rather than purely domestic call-out work. Only 14 companies have turnover above £5M, so the revenue-ranked upper end is narrow. A further 208 firms were incorporated since 2022, pointing to continued new contractor formation around the city-region.
Contractors working on gas, hot-water and mechanical building-services systems operate in a compliance-heavy part of the building trade. Buyers usually expect proof of gas competence, insurance, method statements and documented maintenance histories before awarding work on commercial premises or public-sector estates. Construction-linked projects add another layer: plumbing and heating packages must fit site safety rules, building-control requirements and main-contractor procurement processes. For researchers, the market structure is therefore less about a single licence and more about repeat evidence of safe work, responsive maintenance and the ability to pass checks inside property and facilities-management supply chains.
Fragmentation appears likely to persist because local coverage, emergency response and subcontractor management remain hard to standardise. Larger contractors tend to win planned maintenance and multi-site property work, while smaller operators can still compete on response times and specialist trade relationships. Public-sector and commercial estates have been pushing more evidence-led procurement, which may favour firms with documented processes over informal networks. Consolidation is plausible where facilities-management buyers want fewer supplier relationships, but the long tail of owner-managed trade businesses should keep the market relatively dispersed.
792
Active firms
2026
14
Revenue over £5M
higher-revenue cohort
208
Incorporated since 2022
newer registrations
Key facts
About 1% of the trading cohort reports turnover above £5M (14 of 792 firms) — the rest sits below that revenue band.
26% of the cohort was incorporated since 2022 (208 firms), so a sizeable share is in its first few filing cycles.
Work covers installation, repair and maintenance of water, gas and heating systems across the Leeds city-region.
The segment connects everyday property upkeep with larger installation and maintenance contracts.
The cohort mixes local contractors, installation-led businesses and maintenance firms rather than a single uniform trade group.
Top Leeds plumbing & heating companies
DURA MECHANICAL LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial gas engineering and plumbing services, including system design, installation and maintenance. Installs and services heating systems and air source heat pumps, and carries out gas…
Serves commercial contractors, building services firms, property developers, shopfitting and leisure project teams, and public-sector estates such as NHS trusts, in Leeds and nationwide.
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
DC PLUMBING & BUILDING MAINTENANCE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for commercial, domestic and retail properties, including installation and repair of industrial tanks, commercial boilers and mechanical systems, along with…
Serves domestic households and commercial, industrial and retail organisations in Leeds and the wider West Yorkshire region.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
SAYES & COMPANY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns, installs and maintains mechanical building services for commercial and industrial facilities, including heating, air conditioning, plumbing, drainage and catering systems. Provides project…
Targets businesses, facilities managers, property owners and project teams responsible for commercial or industrial buildings, with maintenance customers especially in the Yorkshire region.
Financial Health
StableStable · -91% CAGR over 2y
Location
Kiwi Facilities Maintenance Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides facilities maintenance and building services for commercial and domestic properties, including mechanical and electrical works, plumbing, gas and boiler services, drainage, roofing,…
Serves commercial property customers across the UK, including international chains, SMEs, landlords, local authorities and property managers, while also addressing domestic homeowners needing…
Financial Health
HealthyHealthy · Hiring · 4% CAGR over 5y
Location
Floway Mechanical Solutions Limited
Trajectory
2y · 2024–NowFinancial sub-scores
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
Prestige Plant Room Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
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
Naylor Mechanical Services Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides installation, servicing and maintenance of mechanical and electrical building systems, including heating, plumbing, ventilation, air conditioning, lighting, drainage, fire safety and…
Serves homeowners, landlords, commercial businesses, education and healthcare organisations, and construction contractors managing properties or client building projects.
Financial Health
WeakWeak · -19% CAGR over 4y
Location
Provides mechanical and electrical engineering services for construction and refurbishment projects, including design, installation and project management of plumbing, heating, ventilation, fire…
Serves UK construction and property organisations, with clients in commercial and industrial buildings, retail and leisure, student accommodation and hotels, public authorities, education providers,…
Location
WHEATLEY M & E SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services for construction projects, including engineering design, installation and commissioning of systems such as power, lighting, heating, ventilation…
Serves main contractors, developers and estates teams in the construction sector, across industrial, commercial, retail, leisure, medical, education, hotels and multi-dwelling markets, plus councils,…
Financial Health
HealthyHealthy · -5% CAGR over 4y
Location
Ash Integrated Services Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides integrated mechanical and electrical contracting services including design, installation and maintenance of electrical systems, heating, ventilation and air conditioning, plumbing, and…
Serves business owners and facilities managers across the UK, including education providers, hospitality businesses, manufacturers, councils, commercial property operators and housing organisations.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 3y
Location
ARF SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and heating services for domestic and commercial properties, including boiler installation, repair and servicing, gas pipework and heating systems, emergency call-outs, and plumbing…
Serves homeowners, landlords, commercial and industrial property owners, and new-build or refurbishment contractors in Leeds and Yorkshire.
Financial Health
WeakWeak · -11% CAGR over 2y
Location
COOPER & CO PLUMBING AND HEATING LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for domestic and commercial properties, including boiler installation and repair, central heating maintenance, gas appliance servicing, bathroom installations,…
Serves domestic customers and commercial premises in Leeds, including homeowners, landlords and businesses responsible for boilers, bathrooms, plant rooms, gas appliances, drainage and heating…
Financial Health
StableStable · Hiring · 9% CAGR over 4y
Location
C T D Plumbing & Heating Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and heating services including boiler installation, repair and servicing, central heating systems, gas appliance work, and bathroom plumbing. Also installs renewable systems such as…
Serves homeowners, landlords, social housing providers, and commercial and industrial businesses across Leeds and surrounding areas.
Financial Health
StableStable · Hiring · 7% CAGR over 2y
Location
Vision Cooling Solutions Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides installation, servicing and maintenance of building mechanical and electrical systems, including refrigeration, air conditioning, plumbing, electrical systems and renewable technologies.…
Serves B2B building owners, facilities managers and businesses managing commercial premises, including those needing project work, rollout programmes, maintenance contracts and statutory compliance…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
ELM Building Service Engineers Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical, electrical and plumbing (MEP) contracting for construction and refurbishment projects. Designs, installs and maintains building systems including ventilation, plantrooms,…
Serves developers, architects, property owners and construction project teams on new-build and refurbishment projects, including leisure clubs, hotels and public spaces across the UK and Europe.
Financial Health
StableStable · Hiring · 10% CAGR over 2y
Location
G & H BUILDING SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical, electrical and public health (MEP) engineering services for building projects, including system design, BIM modelling, prefabrication, installation and commissioning, renewable…
Serves UK organisations with commercial building portfolios, including tier-one contractors, global blue-chip corporations, SMEs, end users, building and energy consultants, and government or…
Financial Health
StrongStrong · Profitable, Growing · 2% CAGR over 2y
Location
PROFESSIONAL GAS & MECHANICAL LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services for commercial and residential projects, including HVAC installation, plumbing, gas services, ductwork, fire alarms, lighting, data cabling, and…
Serves commercial clients, businesses, landlords and homeowners, with emphasis on new-build, refurbishment and industrial projects across domestic and commercial property sectors.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
J.E.L. MECHANICAL SERVICES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides electrical and mechanical engineering contracting services, including design, installation and maintenance of electrical systems, heating and building services. Also installs electric…
Serves UK commercial, healthcare and public-sector clients, including NHS trusts, hospitals, medical centres, logistics and distribution operators, student accommodation providers, nursing homes,…
Financial Health
DistressedDistressed · -78% CAGR over 3y
Location
Leodis Plumbing & Heating Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing, heating and gas engineering services for residential and commercial properties, including boiler installation and servicing, underfloor heating, air source heat pump installation,…
Serves homeowners and UK households, plus businesses requiring commercial plumbing, heating and gas engineering support, with a local focus on Leeds.
Financial Health
StrongStrong
Location
R Atkin Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for domestic properties and residential new-build projects. Services include gas-safe plumbing work, boiler servicing, central heating installation, bathroom…
Serves homeowners, domestic clients, and residential housebuilders needing plumbing and heating contractors for small installations and large new-build housing sites across West Yorkshire.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
CONTRACT PLUMBING SOLUTIONS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating design and installation services for domestic new-build housing developments. Installs systems including gas boilers, unvented hot water cylinders and underfloor…
Serves residential property developers and housebuilders in Yorkshire’s new-build housing sector, from single-plot projects to 100+ unit sites, working with construction teams on domestic…
Financial Health
StableStable · Hiring · 9% CAGR over 4y
Location
SRL PROPERTY DEVELOPMENT LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides residential and commercial property maintenance, repairs and refurbishments, including plumbing fixes, kitchen and bathroom installations, and building extensions. Also undertakes…
Serves residential and commercial property customers in Leeds and West Yorkshire, including landlords, letting agents, tenants, homeowners and high street retail brands.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
Location
A.M.K. Maintenance Leeds Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides reactive maintenance and repair services for commercial buildings, including plumbing, electrical work, joinery, building repairs, external works, groundworks, dilapidation remediation, and…
Serves B2B customers managing commercial premises, including supermarkets, retail chains, breweries, pubs, cinema chains, bingo halls, pub restaurants, facilities management desks and smaller…
Financial Health
StrongStrong · -3% CAGR over 4y
Location
Warmfloors Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and installs underfloor heating systems for residential and commercial projects, including floor screeding, plumbing and electrical works. Also provides system repairs, fault finding, boiler…
Serves homeowners, house builders and commercial clients needing underfloor heating projects, repairs and related works, with after-care coverage emphasised across Leeds, Bradford, Wakefield,…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
Bairstow's Mechanical Services Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides off-site pipework fabrication and on-site pipework installation for mechanical and industrial projects. Offers in-house design, fabrication, and installation services, delivering pipework…
Serves UK-wide commercial, industrial and public-sector project clients, including hospital estates teams and main contractors needing mechanical pipework contractors for construction or engineering…
Financial Health
StableStable · -2% CAGR over 5y
Location
T.M. WEST PLUMBING SERVICES LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing, heating and drainage services for residential and commercial properties, including bathroom installation, gas and oil heating systems, drain services, renewable heating solutions,…
Serves a mix of B2C and B2B customers: homeowners, landlords and commercial premises across Leeds, Yorkshire and surrounding areas, including clients needing planned or emergency property support.
Financial Health
WeakWeak · -11% CAGR over 2y
Location
Heateam Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for domestic and commercial properties, including boiler installation, servicing and repair, central heating and underfloor heating systems, gas safety…
Serves a mix of B2C and B2B customers across Yorkshire, including homeowners, landlords, and businesses with domestic or commercial properties needing plumbing, heating, gas safety and related…
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
P.H.D ELECTRICAL SERVICES (LEEDS) LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides electrical, plumbing and gas engineering services for domestic, commercial and industrial properties, including installation, maintenance and repair of electrical systems, plumbing…
Serves domestic, commercial and industrial customers needing electrical, plumbing and gas work, including homeowners, businesses and industrial sites across Yorkshire.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Water Hygiene Consultants Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides water hygiene services including Legionella risk assessments, monitoring and planned preventative maintenance of water systems. Conducts UKAS‑accredited water sampling, tank cleaning and…
Serves businesses, healthcare providers, schools and public-sector property teams responsible for water system compliance, including facilities, engineering and technical services managers.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Pumptec Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies pumps, packaged pumping stations, water booster sets, and related accessories including controls, alarms, pipework and fittings. Also provides installation, maintenance and repair services…
Targets domestic and commercial customers, including homeowners, contractors and facilities teams, that need pumps, pumping stations, booster sets and related maintenance or repair support for water…
Financial Health
StableStable · 0% CAGR over 4y
Location
GW PUMPING SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies, installs, and maintains clean water and wastewater pumping systems. Provides pump repairs and refurbishment, electrical control panel design, sewage and rainwater pumping systems,…
Serves commercial, industrial, residential and public sector clients across the UK, including facilities management companies, manufacturers, schools, hospitals and housing associations.
Financial Health
StableStable · 0% CAGR over 4y
Location
Medi-Plumb Installations Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, installs and commissions specialist gas systems, including medical, dental, laboratory and industrial gas pipeline networks. Provides consultation, maintenance and engineering services,…
Serves healthcare estates and capital project teams, NHS and private hospitals, dental practices, laboratories, industrial facilities and construction partners across the UK.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
LEAKS PLUMBING SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating and electrical services for residential and commercial properties, including boiler installation and servicing, central heating repairs, air conditioning systems, heat…
Serves homeowners, landlords and commercial premises needing property maintenance support in the Leeds, Bradford, Skipton and Harrogate areas, with a focus on family homes and local businesses.
Financial Health
StableStable · -66% CAGR over 4y
Location
GLOBAL DRAINCARE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides drainage maintenance and repair services for residential and commercial properties, including clearing blocked drains, CCTV drain surveys, pipe relining, drain excavation, drain cleaning,…
Serves domestic and commercial customers in Yorkshire and Greater Manchester needing drainage, waste management and plumbing support, including emergency blocked-drain enquiries.
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
Biogreen Solutions Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides design, installation, maintenance and repair of heating systems for domestic and commercial properties, including biomass boilers, air source heat pumps, solar hot water systems and gas…
Serves both consumers and businesses across the UK, targeting homeowners and commercial property owners or managers with heating and renewable energy requirements.
Financial Health
DistressedDistressed · -9% CAGR over 2y
Location
Regent House Property Maintenance Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides property maintenance, repair and refurbishment services for residential and commercial properties, including bathroom and kitchen fitting, plumbing, electrics, joinery, decorating, shop…
Serves homeowners, landlords, letting agents and commercial property occupiers across Leeds, including clients needing domestic repairs, rental portfolio upkeep, end-of-tenancy work and shop or…
Financial Health
DistressedDistressed · -16% CAGR over 4y
Location
Local Gas Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides gas boiler installation, repair and servicing, central heating installation and maintenance, and general plumbing services. Also issues landlord gas safety certificates and works on…
Serves domestic and commercial customers in and around Leeds, including homeowners, landlords requiring gas safety certificates, and businesses with commercial boiler needs.
Financial Health
StableStable
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building and construction services including house extensions, loft and cellar conversions, kitchen and bathroom installations, and property refurbishment. Also carries out plumbing and…
Serves homeowners, landlords, property managers and commercial clients across domestic and broader construction sectors, including customers planning refurbishments, extensions, maintenance or…
Financial Health
HealthyHealthy · Hiring · 46% CAGR over 4y
Location
G P DRAIN SURVEYS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides drainage inspection and maintenance services including CCTV drain surveys, high‑pressure jet cleaning, structural drain relining, and drainage installation and repair for residential and…
Financial Health
DistressedDistressed · -76% CAGR over 3y
Location
AAA GREASE GURU LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies and installs grease management equipment for commercial kitchens, including grease traps, grease recovery units and filter traps. Provides consultation, compliance surveys, maintenance,…
Serves UK businesses operating commercial kitchens, including restaurants, pubs, hotels, takeaways and other commercial or industrial premises that produce fats, oils and grease waste.
Financial Health
StableStable · Hiring · 4% CAGR over 4y
Location
NORTHERN HEAT LINK LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides plumbing and heating services including boiler installation, servicing and repairs, heating system design and installation, radiators and underfloor heating. Also installs air source heat…
Serves homeowners in the Leeds area, plus individual landlords and property managing agents responsible for rental properties and tenant access.
Financial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
L FRANCIS CONSTRUCTION LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides construction and building services including residential and commercial refurbishments, home extensions and conversions. Offers kitchen and bathroom installation, roofing, plumbing,…
Serves homeowners and commercial property owners across West Yorkshire seeking building repairs, refurbishments, extensions, conversions and related trade services.
Financial Health
StrongStrong · Hiring · 33% CAGR over 3y
Location
MILNER SOLUTIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides multi-trade building services for domestic and commercial properties, including extensions and conversions, building maintenance, plumbing and heating, electrical work, joinery, plastering,…
Serves homeowners, commercial and retail premises, schools, local authorities and facilities management clients in Huddersfield, Leeds, Wakefield and across West and South Yorkshire.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
IAG MECHANICAL LTD
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsProvides installation, repair and maintenance of commercial and residential gas, oil, heating and plumbing systems. Services include boiler system installation, mechanical plant maintenance, EPC…
Serves domestic and commercial clients across Yorkshire and the UK, including residential and social housing providers, retailers, education organisations, manufacturers and sheltered housing…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 2y
Location
OLDROYD MAINTENANCE SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides installation, repair and maintenance of commercial and industrial heating systems. Also installs and services air conditioning, ventilation, plumbing and water monitoring systems for…
Serves commercial and industrial property operators across Yorkshire, including schools, offices, factories, retail units, nursing homes and other business premises needing building services support.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Smith Gas & Oil Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides installation, servicing and maintenance of industrial and commercial heating and ventilation systems, including warm air and radiant tube heaters, process burners, steam generating…
Serves residential, commercial and industrial customers needing gas or oil heating, ventilation, plumbing and process equipment support, mainly around Bradford and West Yorkshire.
Financial Health
StableStable · -4% CAGR over 4y
Location
Cornel Building Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building maintenance and repair services for residential properties, particularly in the social housing sector. Services include reactive emergency repairs, plumbing, heating, electrical…
Serves housing providers, local councils, social housing landlords and homeowners across Yorkshire, including local authorities and housing associations.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 4y
Location
Simmthornes Mechanical Services Ltd.
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides mechanical engineering and building services including installation and repair of heating systems, gas mains, plant rooms and boiler houses, hot and cold water services, sanitary drainage,…
Serves B2B commercial and industrial clients needing mechanical and heating contractors, including facilities with plant rooms, boiler houses, gas mains and water systems across the UK.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 3y
Location
VWG Mechanical Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides building services engineering and contracting, including design and installation of heating, ventilation, air conditioning, gas and plumbing systems. Delivers decarbonisation upgrades,…
Serves public sector, healthcare and education organisations, plus commercial, leisure and retail businesses across the UK with building estates requiring mechanical services projects.
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 2y
Location
GASMECH (UK) LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical engineering and contracting services including commercial gas installation, industrial heating systems, mechanical pipework installation, and full mechanical and electrical (M&E)…
Serves commercial and public-sector clients in education, healthcare, retail, student accommodation, warehousing, food production and crematorium facilities across the UK.
Financial Health
HealthyHealthy · -89% CAGR over 2y
Location
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How Leeds plumbing & heating companies work and how to sell to them
What they do
Leeds plumbing and heating contractors usually earn through a mix of call-out charges, day-rate labour, fixed-price installation packages and retained maintenance agreements. Materials are often billed as a pass-through with margin, while larger mechanical works may be priced from drawings, schedules of rates or contractor tender packs. The service shape is operational rather than product-led: vans, engineers, subcontractor control, parts supply, site supervision and compliance paperwork. Margins tend to depend on labour utilisation, travel time, rework, payment timing and the contractor’s ability to co-ordinate trades without delaying the wider building or maintenance programme.
Who they sell to
Their buyers are typically estates managers, facilities managers, contract managers, quantity surveyors, construction project managers, housing-maintenance teams and procurement leads. Emergency or minor-works suppliers can be approved quickly if a site has an immediate fault, but planned maintenance, public-sector work and construction packages usually involve prequalification, insurance checks, method statements, references and commercial negotiation. Contract values vary widely, from small one-off repairs to recurring servicing agreements and larger mechanical packages inside refurbishment or new-build programmes. Most routes to market are relationship-led, tender-led or framework-led, with self-serve purchasing playing only a limited role.
What they buy
Most plumbing and heating firms tend to spend on job-management software, scheduling tools, mobile workforce apps, estimating systems, accounting, payroll, compliance documentation, vehicle tracking and health-and-safety support. They also buy vans, fuel, tools, plant hire, workwear, testing equipment, insurance, training and recruitment services for qualified engineers and apprentices. Larger contractors may need bid-writing help, subcontractor onboarding systems, stock control, project-costing, credit control and customer reporting. Sellers should expect practical buying criteria: does the offer reduce admin, missed appointments, engineer downtime, invoice delays, failed site checks or uncertainty over who is qualified to attend a job.
Why and how to sell to them
Plumbing and heating buyers tend to evaluate suppliers when workloads outgrow spreadsheets, service-level commitments become harder to evidence, or a new maintenance contract adds reporting duties. Other triggers include branch moves, fleet expansion, hiring engineers, public-sector tendering, safety-process reviews and repeated problems with late invoices or material shortages. The better outbound angle is usually operational: fewer wasted visits, faster quote-to-invoice cycles, cleaner compliance trails and clearer visibility of labour capacity. Claims about growth alone are less persuasive than evidence that the product or service fits field-based work, subcontractor use and procurement checks common in commercial property supply chains.
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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