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Plumbing Companies in London: 4,400+ Active Firms (2026)
Plumbing companies in London install, repair and maintain water, drainage and heating systems for homes, landlords and commercial premises across the capital.
Buying centres sit mostly with property managers, housing teams, facilities managers and small-business owners, rather than a single trade buyer. Domestic and landlord work tends to be job-by-job callouts; commercial premises and public-sector estates need scheduled maintenance, reactive cover and subcontract support. The sales motion is practical: response times, engineer availability, compliance paperwork, insurance cover and the ability to dispatch mobile teams across London. Owner-managed contractors can remain viable on local repairs, while mid-market operators tend to compete for recurring property-management and building-services work.
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London has 4,468 actively trading plumbing companies, making this a sizeable local-services cohort rather than a narrow construction niche. Across firms with employment coverage, reported headcount totals 1,353 staff, although much of the trade still appears to sit with owner-managed and subcontract-heavy operators. Only 38 firms report turnover above £5M, while 1,157 were incorporated since 2022, giving the list a visible early-life tail alongside established contractors. For researchers, the useful split is between domestic response firms, landlord-support contractors and operators embedded in facilities-maintenance supply chains.
Gas-heating, drainage and water work put London contractors under a layered compliance burden: competence certification for controlled work, building-control sign-off on some installations, insurance conditions, landlord safety documentation and site-access rules for commercial premises. Public-sector and facilities-maintenance supply chains add pre-qualification, call-out reporting, safeguarding or tenant-access processes. Market structure is therefore partly shaped by administration as much as spanners: smaller contractors can win local repair work, but recurring estate contracts tend to favour teams that can evidence engineer availability, paperwork discipline and out-of-hours cover.
Fragmentation appears likely to persist because emergency repairs, landlord support and small commercial jobs reward local coverage and repeat relationships. Consolidation tends to show up around maintenance contracts, compliance-heavy heating work and facilities-management subcontracting, where admin capacity matters. Newer entrants may find demand through landlord and tenant-response channels, but margin pressure remains exposed to wage costs, van utilisation and parts availability. Buyers are likely to keep favouring contractors that can document safety work, attend outside normal hours and coordinate with property managers without adding avoidable friction.
4,468
Active firms
2026
38
Above £5M
reported revenue
1,157
Since 2022
new incorporations
Key facts
About 1% of the trading cohort reports turnover above £5M (38 of 4,468 firms) — the rest sits below that revenue band.
25% of the cohort was incorporated since 2022 (1,157 firms), so a sizeable share is in its first few filing cycles.
London plumbing and heating firms work across water, drainage and heating systems, spanning installation, repair and maintenance demand.
Buyer types range from homes and landlord portfolios to commercial premises, so routes to market are split between consumer call-outs, property management and business procurement.
Emergency repairs and planned maintenance place plumbing suppliers close to day-to-day property operations across the capital.
Operating models tend to mix direct labour with subcontractor-led delivery, particularly where work is organised around projects rather than recurring contracts.
Top London Plumbing companies
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating, electrical and drainage services including emergency repairs, boiler and central heating work, leak detection, air conditioning installation and maintenance, and general…
Serves domestic and commercial property customers across Greater London, including homeowners, tenants, landlords, facilities managers and businesses needing emergency or planned property maintenance…
Financial Health
StrongStrong
Location
K & B PLUMBING-GAS LTD.
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including installation, maintenance and repair of boilers, pipework and drainage systems. Handles emergency plumbing issues, boiler servicing, bathroom…
Serves a mixed B2B, public sector and residential customer base across London and Kent, including large corporates, local authorities, schools, SMEs, property developers and private homeowners.
Financial Health
StableStable · 0% CAGR over 4y
Location
Jennings Plumbing And Heating Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing, heating, electrical and drainage services for residential and commercial properties, including emergency repairs, boiler and central heating work, leak detection, air conditioning…
Serves domestic and commercial customers across Greater London, including homeowners, landlords, property managers and businesses needing property maintenance and repair support.
Financial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
VILLAGE HEATING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides heating, plumbing, electrical, and air conditioning services for commercial properties, housing providers, landlords, and multi-site organisations. Offers boiler repairs, emergency heating…
Serves businesses, housing providers, local authorities, landlords and homeowners across London and surrounding areas, including multi-site operators, commercial property managers, schools, hotels,…
Financial Health
HealthyHealthy · -58% CAGR over 5y
Location
NOMEL LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides plumbing, heating, gas and mechanical services for domestic and commercial properties, including boiler repairs, water leak repairs, hot water cylinders, underfloor heating, air…
Serves homeowners, landlords and commercial property managers across residential blocks, new builds, estates, offices, education settings, industrial units, sports halls and leisure facilities.
Financial Health
HealthyHealthy · -13% CAGR over 3y
Location
K & B PLUMBING AND HEATING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including installation, maintenance and repair of boilers, pipework and heating systems, as well as drainage clearance and bathroom refurbishment. Handles…
Serves private residential owners, SMEs, property developers, schools, local authorities and large corporate bodies across London and Kent.
Financial Health
HealthyHealthy · -56% CAGR over 5y
Location
C.H. Maintenance Service Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides gas heating, plumbing and property maintenance services, including installation, servicing and repair of boilers and heating systems. Works with housing associations, landlords and…
Serves housing associations, large-scale landlords, commercial property owners, warranty providers and organisations managing residential property portfolios in North West London and Hertfordshire.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
HEARTS PLUMBING LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides domestic and commercial plumbing and heating services, including full re‑plumbing for residential developments, bathroom and kitchen installations, boiler repairs, leak repairs, and…
Serves homeowners, landlords and property developers, plus commercial and public-sector clients such as schools, hospitals, care homes, offices, dental clinics, churches and local authority housing…
Financial Health
HealthyHealthy · Growing, Hiring · 6% CAGR over 2y
Location
WEFIX LONDON LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides plumbing and heating repair services, including emergency callouts, boiler and pipe repairs, drain clearing, and bathroom work. Also offers electrical, air conditioning, roofing, carpentry,…
Serves residential and commercial customers across London, including homeowners, tenants, landlords, property managers and businesses needing 24/7 trade support and emergency callouts.
Financial Health
HealthyHealthy · Hiring · 100% CAGR over 1y
Location
WILL I AM PLUMBING & HEATING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating and gas engineering services for residential and commercial properties, including installation, maintenance and repairs, emergency call-outs, and landlord gas safety…
Serves residential and commercial customers in London and within the M25, including homeowners, landlords, tenants, and property managers needing plumbing, heating, gas safety, and emergency call-out…
Financial Health
StrongStrong · Hiring · 6% CAGR over 4y
Location
GEM Green Energy Services Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides building maintenance and environmental building services, including plumbing, heating, ventilation and air‑conditioning installation, heat metering systems, electrical and gas works,…
Serves public-sector and institutional property owners across London and the Southeast, including local authorities, social landlords, schools and commercial building managers.
Financial Health
DistressedDistressed
Location
RSF GROUP LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides domestic and commercial plumbing, heating, and gas engineering services. Installs and services boilers, heating systems, underfloor heating, and bathrooms, and offers electrical work,…
Serves domestic households, homeowners, landlords and commercial property owners or managers across London and Essex, with dedicated commercial pricing.
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 3y
Location
TOTAL PLUMBCARE LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including gas and electric boiler installation and repair, hot water cylinder work, leak repairs, drain unblocking and power flushing. Also carries out…
Serves residential homeowners and commercial property customers in London needing plumbing, heating, boiler, electrical and renovation-related services, including emergency callouts and safety…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
HGB FACILITIES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides heating and plumbing services including installation and maintenance of boilers, mechanical systems, and renewable energy heating systems. Works on commercial and domestic projects such as…
Serves commercial and domestic clients across London and the Southeast, including schools, care homes, homeowners, and residents of houses and penthouse apartments.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
GAS WEISS PLUMBING & HEATING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and gas engineering services including boiler installation, repair and servicing, central heating and radiator installation, underfloor heating, gas safety certification, power…
Serves London-based homeowners, residential property owners, landlords and commercial premises managers needing plumbing, gas and heating support for domestic and commercial properties.
Financial Health
HealthyHealthy · Growing, Hiring · 2% CAGR over 4y
Location
Landmark Building Services Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including installation, repair and servicing of boilers, central heating systems and gas appliances. Also carries out power flushing, safety inspections,…
Serves homeowners, landlords, commercial property managers and industrial facilities in London that need plumbing, heating, boiler, gas safety, air conditioning or heat pump support.
Financial Health
StableStable · 0% CAGR over 4y
Location
CULKIN PLUMBING AND HEATING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for residential and commercial properties, including boiler installation, servicing and repairs, central heating design and installation, gas safety…
Serves homeowners, landlords, small businesses, schools and other commercial sites in North West London needing plumbing, heating, gas and property maintenance support.
Financial Health
DistressedDistressed · -11% CAGR over 4y
Location
EXCELLENCE PLUMBING AND GAS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides domestic and commercial plumbing and heating services including boiler installation, servicing and repair, central heating systems, gas appliance installation, bathroom and shower…
Serves homeowners, landlords, businesses and public/private sector organisations needing plumbing, heating and gas support across London, Kent, Essex and Surrey.
Financial Health
WeakWeak · Hiring · 3% CAGR over 4y
Location
Superefficient Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides boiler installation, servicing and repairs, gas safety certificates, and central heating services. Also offers plumbing repairs and installations, leak detection, HIU system work, unvented…
Serves domestic and commercial customers in London, including homeowners, landlords and property managers needing gas safety, boiler, heating and plumbing support.
Financial Health
StrongStrong · Growing, Hiring · 15% CAGR over 4y
Location
The Commercia Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial and domestic plumbing and heating services, including boiler installation, servicing and repairs, central heating upgrades, plant room maintenance, leak detection, and 24/7…
Serves commercial property owners, facilities managers, schools and organisations needing plumbing and heating support nationwide, plus homeowners and landlords in London and the M25.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
Maintracts Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for residential and commercial properties, including emergency plumbing, boiler repair, installation and servicing. Also offers electrical work and drainage…
Serves homeowners, landlords, property managers and businesses across London and surrounding areas needing plumbing, heating, electrical and drainage support.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
R & L PAUL LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating engineering services, including installation, maintenance and repair of commercial and domestic boilers, water heaters, hot water cylinders, pressurisation units, and…
Serves commercial, industrial and domestic customers needing heating, hot water and boiler maintenance, repairs and emergency callouts, including clients with varied budgets and environments across…
Financial Health
StableStable · -69% CAGR over 4y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including boiler installation and repair, radiator and pipe repairs, leak detection, drain unblocking, and installation of bathrooms, kitchens, and household…
Serves homeowners, landlords, tenants and commercial premises across London, Essex and Kent needing plumbing, heating, boiler, drainage or installation support.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
ECOHEAT PLUMBING & HEATING SOLUTIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides domestic and commercial plumbing and heating services, including boiler repairs and servicing, underfloor heating installation and repair, gas engineering, powerflushing, and plumbing…
Serves homeowners, landlords and businesses with domestic and commercial properties across Battersea, Chelsea, Central, South and South West London.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
Foreshaw Building Services
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides building maintenance and construction services for commercial and domestic properties, including plumbing and heating, electrical work, gas and boiler installations, carpentry and joinery,…
Serves public sector, commercial and domestic property clients in London, including education providers, local authorities, healthcare organisations, facilities management companies, owners of period…
Financial Health
DistressedDistressed · -13% CAGR over 2y
Location
Fletchers Facilities Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides commercial and industrial mechanical and electrical engineering services, including plumbing, heating, ventilation and building services installations. Carries out preventative maintenance…
Serves property and facilities managers responsible for single or multi-site commercial, industrial and public-sector buildings, including schools, hospitals, historic properties and private…
Financial Health
HealthyHealthy · -4% CAGR over 2y
Location
LAZARD PROPERTY SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including boiler installation, servicing and repairs, gas appliance work, underfloor heating, power flushing, leak detection, and emergency plumbing. Also…
Serves homeowners, landlords and small businesses across London and Essex, plus construction and development clients managing residential or commercial properties.
Financial Health
StrongStrong · Hiring · 32% CAGR over 4y
Location
GASTOM LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating and ventilation services for residential and commercial properties, including boiler installation and servicing, gas safety checks, pipework repairs, air conditioning and…
Serves commercial and residential customers in Barnet and North London, including property managers, businesses, landlords and homeowners needing plumbing, heating, ventilation and related building…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
PLUMBWISE PLUMBING SERVICES LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including emergency repairs, boiler installation and repair, drain unblocking, bathroom installation, gas safety checks, and central heating power flushing for…
Serves homeowners, landlords, tenants and businesses across London that need plumbing, heating, drainage, gas and bathroom engineers for domestic or commercial properties, including emergency…
Financial Health
StrongStrong · Hiring · 32% CAGR over 5y
Location
HEATING ENGINEERS LONDON LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for residential and commercial properties, including boiler installation, repair and servicing, emergency plumbing, central heating work, gas appliance…
Serves residents, landlords, homeowners and businesses managing residential or commercial properties across London.
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
Rs Facilities Management Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, central heating and air conditioning installation and maintenance for domestic and commercial properties. Also conducts landlord gas safety checks, communal heating works, and…
Serves domestic customers, landlords, commercial property clients and organisations managing residential buildings across London, Kent and Essex, including residents needing scheduled or emergency…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
SMITH AND BYFORD LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides installation, maintenance and repair of gas boilers, central heating systems and electrical services for residential and commercial properties. Offers maintenance packages, landlord safety…
Serves homeowners, private landlords, letting and property management agents, social housing providers and commercial organisations across London and the South.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
SANDHURST PLUMBING AND MAINTENANCE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and maintenance services for residential and managed properties, including general plumbing repairs, leak detection, boiler and heating installations, emergency plumbing, drainage…
Serves homeowners, tenants, landlords and property management companies in London, including residential blocks with communal heating systems.
Financial Health
StrongStrong · Growing, Hiring · 24% CAGR over 4y
Location
GREAT BRITAIN SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including emergency plumbing callouts, boiler servicing and repairs, central heating work, plumbing installations, blocked drain clearance, toilet unblocking,…
Serves homeowners, tenants, landlords and commercial property managers across Greater London, including customers needing emergency and planned property maintenance.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
0800 HOMEFIX LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and heating services including water leak detection and trace and access, boiler installation, servicing and repair, gas leak detection, powerflushing, and drainage unblocking for…
Serves homeowners, tenants, landlords and commercial property customers in London needing emergency or scheduled plumbing, heating and drainage support.
Financial Health
StableStable · Hiring · 116% CAGR over 2y
Location
R.G. TAYLOR ENGINEERING LIMITED
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides design, specification and installation of plumbing, heating and gas systems for residential and commercial construction projects. Also delivers building services fit‑out, sustainable energy…
Serves house builders, property developers and main contractors on public and private sector construction projects, spanning residential developments, commercial fit-outs and public health sector…
Financial Health
StableStable · -12% CAGR over 1y
Location
C.Anderson And Sons LLP
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and heating services including leak detection, burst pipe repairs, central heating maintenance, and boiler installation, repair and servicing. Also delivers property maintenance…
Serves residential homeowners, landlords and account customers, plus commercial premises and local businesses in London, particularly around Fulham, with property upkeep and gas safety needs.
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 2y
Location
Tavo Gas & Plumbing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides domestic and commercial gas, heating and plumbing services, including boiler installation and repair, central heating maintenance, drainage clearance, and commercial inspections. Also…
Serves domestic and commercial customers across London, North Essex and within the M25, including homeowners and businesses needing gas, plumbing, heating, electrical, drainage and renewable energy…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
PHG Mechanical Services Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating and mechanical HVAC services for residential and commercial properties, including boiler installation and repair, central heating and underfloor heating systems, bathroom…
Serves homeowners, landlords, and businesses needing domestic or commercial plumbing, heating, boiler, bathroom, emergency call-out, and HVAC support across London, Kent, and the South East.
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 4y
Location
EKOTHERM LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical and electrical building services including design, supply, installation and maintenance of HVAC systems, plumbing, heating, ventilation, air conditioning, drainage and sprinkler…
Serves B2B and public-sector clients across London and the South East, including main contractors, professional teams, offices, warehouses, retail fit-outs, restaurants, bars, schools, housing…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
QUOTEHEDGE LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical installation and maintenance services for commercial and residential buildings, including heating, plumbing, air conditioning and ventilation systems. Also offers in‑house system…
Serves commercial and residential clients in London, including businesses, landlords, property managers and homeowners with heating, plumbing, air conditioning and ventilation requirements.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 2y
Location
1st Fix Plumbing & Heating Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing and heating contracting services for construction projects, including installation of drainage systems, ventilation, thermal insulation, energy centres, and hot water, gas and…
Serves major main contractors and subcontractors delivering large-scale commercial and residential construction projects across London, Essex and the Home Counties.
Financial Health
DistressedDistressed · -18% CAGR over 2y
Location
Snowik Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides property maintenance, refurbishment and emergency repair services for residential properties. Services include HIU and FCU servicing and repair, plumbing, electrical work, air conditioning,…
Serves residential property owners, landlords and managing agents in London, Middlesex and Surrey, including owners of flats and houses needing planned or emergency maintenance support.
Financial Health
StableStable · 4% CAGR over 2y
Location
Trumpers Way W7 Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing, gas and heating engineering services for domestic and commercial properties, including boiler installation, servicing and repair, heating system installation and power flushing,…
Serves homeowners, landlords and commercial organisations in London and the Home Counties, including schools, bodyshops and catering/commercial kitchen operators.
Financial Health
WeakWeak
Location
Absolute Plumbing Heating & Solar Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides plumbing, heating and solar services including boiler repairs, servicing and installation, central heating system installation, leak and overflow repairs, bathroom and toilet plumbing, and…
Serves homeowners, landlords and property management agencies in London, South London and Kent, including domestic customers and letting agents managing residential properties.
Financial Health
WeakWeak · -5% CAGR over 2y
Location
Cordery Heating Services Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services for residential and commercial properties, including boiler and heating system installation, underfloor heating, plumbing repairs, drain and leak fixes, and…
Serves homeowners and commercial businesses in London and Essex with domestic and commercial plumbing and heating needs, including emergency support.
Financial Health
StableStable · Hiring · 11% CAGR over 5y
Location
P S PLUMBING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including installation, repair and maintenance of plumbing systems, boilers and gas appliances. Employs Gas Safe registered engineers to carry out residential…
Serves residential customers, homeowners, landlords and commercial clients across London and Essex needing plumbing, heating and gas engineering support.
Financial Health
StrongStrong · Hiring · 24% CAGR over 4y
Location
LONDON EFFICIENCY LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating and gas services including boiler installation and servicing, bathroom installation, drainage and blocked drain clearance, leak repairs, and emergency plumbing for…
Serves a mix of B2C and B2B customers, including homeowners, landlords and small to medium-sized business owners across London and the surrounding Greater London areas.
Financial Health
StrongStrong · Growing, Hiring · 3% CAGR over 4y
Location
TLPC GROUP LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides domestic plumbing and heating services, including boiler installation, servicing and repairs, emergency plumbing callouts, central heating repairs, and plumbing and gas maintenance for…
Serves homeowners and residential landlords across South London needing plumbing, heating, boiler and emergency support for domestic properties.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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How London Plumbing companies work and how to sell to them
What they do
Plumbing contractors earn revenue from a mix of emergency callouts, quoted repair work, planned maintenance, installation projects and subcontracted building-services support. Domestic work is usually priced per visit, by fixed quote or through time-and-materials billing, with parts marked up or passed through. Landlord and commercial work tends to add repeat service agreements, out-of-hours cover and compliance documentation around heating, water and drainage systems. The service shape is operational rather than product-led: mobile engineers, vans, stocked parts, booking control, risk paperwork and the ability to attend occupied premises without disrupting tenants, staff or other trades.
Who they sell to
Typical customers range from private homeowners and small businesses to landlords, letting agents, managing agents, facilities managers and public-sector housing teams. Consumer and landlord repairs are often won through search, referral or repeat relationships, while commercial and public-sector work usually involves approved-contractor lists, pre-qualification checks, tenders or facilities-management subcontract routes. Decision makers tend to be property managers, heads of repairs, facilities leads, procurement teams or owner-directors of premises-dependent businesses. Sales cycles vary accordingly: urgent repairs can convert on the first call, whereas estate maintenance and subcontract agreements usually require evidence of cover, insurance, compliance process and service reporting.
What they buy
Most plumbing firms tend to spend on tools, parts supply, vans, insurance, trade certification, mobile phones and back-office administration before more discretionary categories. As teams grow, purchasing usually shifts towards job-management software, engineer scheduling, call handling, quoting, invoicing, accounting, payment collection, customer messaging and document storage for certificates and site notes. Contractors working for landlords or facilities managers may also buy compliance support, health and safety advice, tender-writing help, fleet management, fuel cards, recruitment, payroll, bookkeeping and local marketing. Sellers should expect practical scrutiny: anything bought has to save time, reduce missed appointments, support cash collection or help win repeat work.
Why and how to sell to them
Plumbing buyers tend to evaluate suppliers when operational friction becomes visible: unanswered calls, diary clashes, no-access visits, delayed invoices, engineer downtime, poor job notes or difficulty proving that work was completed correctly. Contract wins, a move into new London boroughs, more subcontract work, hiring additional engineers or taking on landlord and facilities-management clients can all create buying intent. Outbound messages usually land better when tied to utilisation, response cover, compliance evidence, quote conversion, debtor control or reduced admin for field teams. A useful pitch is specific to the trade workflow, not a generic small-business productivity claim.
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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