Plumbing & Heating Companies in Reading: 278 Active Firms (2026)
Plumbing and heating companies install, maintain and repair water, gas and heating systems for homes and workplaces across Reading.
Buying decisions usually sit with homeowners, landlords, property managers, facilities teams and construction contractors rather than a single procurement channel. Reading contractors in this field tend to sell a mix of planned installations, reactive repairs and recurring maintenance, with engagement size shaped by whether the job is a domestic boiler visit, a bathroom or pipework project, or a multi-site mechanical-services contract. The operating model is labour-led: field engineers carry out site work, while office staff handle scheduling, quotations, certification and emergency calls. Firms that fit the buyer profile usually sit inside building services, facilities maintenance, property services or construction supply chains.
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Reading has 278 plumbing and heating companies actively trading, making the local market sizeable enough for both domestic call-out operators and contractors attached to commercial property work. Reported employment across the cohort totals 519 people, which points to a market still weighted towards owner-managed and small-team operators rather than labour-heavy regional contractors. The buyer base is broad for a local trade: residential work feeds repair and replacement demand, while commercial premises, light industrial sites and managed property portfolios create recurring maintenance and project opportunities. Revenue-scaled firms exist, but they form a small minority of the active base.
Gas, heating and water work sits close to property safety, insurance and compliance workflows, so contractors tend to be assessed on evidence of competence, job records and the ability to respond when systems fail. Buyers in facilities maintenance and construction supply chains also need trades that can coordinate around occupied premises, subcontractor handovers and planned shutdowns. That creates a split market: smaller operators compete on response and local trust, while commercial contractors need scheduling discipline, documentation and enough field cover to service recurring accounts. Reading’s mixed residential, workplace and light industrial demand gives both models room, but margins are likely to depend on labour utilisation and parts availability.
Growth prospects appear tied less to software-style scaling and more to replacement cycles, property churn and the availability of qualified field labour. Newer incorporations give Reading a long tail of contractors, but revenue-scaled operators remain relatively scarce, so acquisition by wider property-services groups may be more plausible than the emergence of many large standalone platforms. The firms most likely to defend margins tend to combine reactive cover with scheduled maintenance, keeping engineers occupied between emergency work and installation projects. Buyers may also put more weight on documentation, response times and continuity of service as building systems become more closely managed.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
278
Active firms
2026
3
Firms above £5M
reported revenue
58
Incorporated since 2022
newer Reading firms
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Key facts
About 1% of the trading cohort reports turnover above £5M (3 of 278 firms) — the rest sits below that revenue band.
20% of the cohort was incorporated since 2022 (58 firms), so a sizeable share is in its first few filing cycles.
Work covers water systems, gas systems and heating installation, maintenance and repair across homes and workplaces in Reading.
Demand tends to be linked to housing stock, commercial premises and local compliance needs rather than one-off discretionary projects.
The market appears fragmented, with owner-managed contractors alongside local operators focused on repeat maintenance or installation work.
B2B buyers and property managers are likely demand-side audiences, given the focus on homes, workplaces and compliance-led maintenance.
Top Reading Plumbing & Heating companies
Financial sub-scores
Computed from 5 filingsProvides plumbing, heating and gas services including boiler installation, servicing and repairs, central heating maintenance, shower installation and repair, and 24‑hour emergency plumbing. Also…
Serves homeowners, landlords and commercial customers in Reading, Berkshire and the Thames Valley seeking local plumbing, heating, boiler, gas and emergency call-out support.
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides construction and building services for domestic and commercial properties, including new builds, renovations and project management. Designs and installs mechanical and electrical systems…
Serves homeowners, property owners and commercial clients across Reading and Berkshire, covering residential and commercial property projects.
Financial Health
StrongStrong · -1% CAGR over 4y
Location
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Computed from 5 filingsDesigns, installs and services air conditioning, heat pump and ventilation systems for commercial, industrial and domestic buildings. Supplies inverter heat pump equipment and provides maintenance…
Serves commercial, industrial and domestic customers across Reading, Berkshire and the Thames Valley, including corporate premises, public sector bodies, construction projects, building owners and…
Financial Health
StrongStrong · Hiring · 41% CAGR over 4y
Location
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Computed from 2 filingsProvides plumbing and heating system design and installation for residential new build developments. Services include pipework and hot water systems, underfloor heating, air source heat pumps,…
Serves house builders and property developers delivering new-build housing across London, the Home Counties and the South of England, with aftercare also aimed at homeowners in completed properties.
Financial Health
StableStable · 5% CAGR over 1y
Location
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Financial sub-scores
Computed from 3 filingsFinancial Health
StableStable
Location
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Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 5y
Location
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Computed from 5 filingsFinancial Health
HealthyHealthy · -10% CAGR over 4y
Location
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Financial Health
N/AN/A
Location
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Computed from 5 filingsFinancial Health
StableStable
Location
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Computed from 3 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 2y
Location
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Computed from 3 filingsFinancial Health
WeakWeak · -29% CAGR over 2y
Location
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Financial Health
N/AN/A
Location
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Computed from 2 filingsFinancial Health
WeakWeak · 0% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
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Computed from 5 filingsProvides plumbing and mechanical engineering services including heating system installation, commercial pipework, boiler replacement and repair, plant room and toilet refurbishments, air…
Serves commercial, industrial and domestic customers across Berkshire, North Hampshire, South Oxfordshire and West Surrey, including schools, facilities managers and property owners.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Computed from 3 filingsInstalls, services and repairs gas and LPG boilers and central heating systems. Provides plumbing services including bathroom installation and refurbishment, system maintenance, inspections and power…
Sells to domestic and business customers needing heating, gas and plumbing services, including homeowners, landlords and local businesses. Serves customers in Bracknell, Basingstoke, Yateley, Reading…
Financial Health
DistressedDistressed · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides plumbing and heating services including boiler installation, replacement and repair, general plumbing repairs, bathroom and kitchen installation, heating system power flushing, accessible…
Serves homeowners, landlords and local businesses in Reading, including households needing bathroom, kitchen or accessible installations and commercial premises requiring emergency plumbing support.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing and heating services and maintenance cover plans, including boiler servicing, repairs, installations and replacements. Also carries out central heating repairs, gas safety checks,…
Serves both B2C and B2B customers, including homeowners, landlords, letting agencies and commercial enterprises needing plumbing and heating cover. Targets residential, rental and business properties…
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical engineering services for domestic and commercial properties, including installation, maintenance and repair of heating, plumbing, gas and air conditioning systems, ventilation and…
Serves homeowners, landlords and commercial clients with small and large premises within a 50-mile radius of Bracknell, including Berkshire, Buckinghamshire, London and Surrey.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides commercial property maintenance and engineering services, including commercial boiler servicing, HVAC installation and repair, building fabrication and manufacturing, and general facilities…
Serves B2B customers including commercial property owners, building managers and facilities teams with commercial buildings across Berkshire and West London.
Financial Health
DistressedDistressed · -68% CAGR over 4y
Location
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Computed from 5 filingsProvides boiler, heating, plumbing and drainage services, including boiler installation, servicing and repairs, central heating maintenance, heat pump installation, oil heating services, leak…
Serves homeowners and families, landlords, letting agents, Airbnb and HMO property operators, plus commercial customers across Newbury, Reading and Berkshire.
Financial Health
WeakWeak · -11% CAGR over 4y
Location
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Computed from 5 filingsInstalls, services and repairs air conditioning, heating and hot water systems for residential and commercial properties. Also provides commercial refrigeration systems, including cold rooms and ice…
Serves homeowners, families and businesses in Reading, Berkshire and surrounding areas, including commercial customers with air conditioning, heating, hot water, ventilation and refrigeration needs.
Financial Health
HealthyHealthy · Growing, Hiring · 11% CAGR over 5y
Location
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Computed from 5 filingsProvides property services including plumbing and heating, electrical work, renewable energy installations, and bathroom design and installation. Also undertakes property maintenance, repairs, and…
Serves homeowners and residential property owners in Wokingham, Berkshire and nearby towns, including customers planning bathroom upgrades, home maintenance, electrical work or renewable energy…
Financial Health
DistressedDistressed · -12% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical and HVAC installation services for residential and commercial properties, including plumbing, heating systems, air conditioning, ventilation and ductwork. Also offers system…
Serves commercial property owners, facilities managers and building contractors, alongside residential homeowners and private clients.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 5y
Location
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Computed from 5 filingsProvides installation, servicing and repair of commercial HVAC systems including heating, air conditioning and ventilation. Also delivers plumbing, drainage, water hygiene and treatment services,…
Serves commercial and public-sector facilities across the South of England, including schools, healthcare providers, hospitality venues, defence sites, retail, industrial and office premises.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing and heating services including boiler installation, servicing and repairs, central heating installation, gas safety inspections, and general plumbing. Also undertakes bathroom…
Serves B2B letting agents and landlords, plus private homeowners and tenants in Reading and surrounding areas, mainly residential property customers with plumbing and heating needs.
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides mechanical building services including installation and maintenance of air conditioning, heating, plumbing, ventilation and water systems for commercial, industrial and public sector…
Serves B2B and public sector clients, including facilities and property teams responsible for commercial buildings, industrial sites, healthcare premises and other non-domestic properties.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides building and facilities maintenance services for commercial properties, including HVAC installation and servicing, air conditioning and refrigeration, electrical and lighting maintenance,…
Serves private organisations, commercial enterprises and estates across the South of England, especially facilities and property managers responsible for offices and other managed buildings.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides design and installation of plumbing, heating and gas systems for new-build and renovation projects. Installs air source heat pumps, air conditioning and ventilation systems, and delivers…
Serves property developers, building contractors, homeowners and commercial property owners across Hampshire and the South, particularly those involved in new-build, renovation and large-scale…
Financial Health
StrongStrong · Growing, Hiring · 41% CAGR over 2y
Location
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Computed from 4 filingsProvides heating, plumbing, electrical and ventilation services, including installation, maintenance and repair of building systems. Also offers ventilation-related services and general building…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 3y
Location
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Computed from 5 filingsProvides design, supply, installation, testing and commissioning of mechanical and electrical building services for commercial and industrial properties, including air conditioning, heating,…
Serves B2B customers managing commercial and industrial properties, including facilities managers, developers, contractors and site operators needing building services support.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides domestic plumbing, heating and electrical services including boiler installation, servicing and repair, central heating maintenance, powerflushing, underfloor heating installation, heat pump…
Serves homeowners and residential landlords in Berkshire, South Oxfordshire and North Hampshire needing plumbing, heating, boiler, heat pump, air conditioning and electrical support.
Financial Health
StableStable · Hiring · 20% CAGR over 4y
Location
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Computed from 4 filingsProvides heating and plumbing services including installation and servicing of Worcester Bosch boilers, boiler replacements, powerflushing, underfloor heating systems, and general plumbing repairs.…
Serves local homeowners and residential landlords, including customers in Reading, Wokingham, Woodley and nearby Berkshire areas.
Financial Health
HealthyHealthy · -21% CAGR over 3y
Location
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Computed from 5 filingsInstalls and upgrades heating systems including gas boilers and air source heat pumps. Provides commercial boiler plant room upgrades, system replacements and servicing for local authorities, housing…
Serves local authorities, housing associations, private householders, and owners or managers of multi-occupancy commercial buildings, with a focus on public sector domestic housing stock.
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
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Computed from 3 filingsProvides mechanical and electrical building services including HVAC installation, electrical systems, plumbing and heating, and building management systems. Offers design, project management and…
Serves public-sector and commercial organisations, especially hospitals, healthcare estates, education providers and government sites, plus businesses with complex mechanical, electrical and HVAC…
Financial Health
StrongStrong · Hiring · 37% CAGR over 2y
Location
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Computed from 5 filingsProvides installation, servicing and maintenance of air conditioning, ventilation and HVAC systems for commercial and residential buildings. Also carries out commissioning works, chiller repair and…
Serves a mix of commercial and residential customers, including office and property managers with single-site or multi-system estates, homeowners, and other contractors needing project specification…
Financial Health
StableStable · -70% CAGR over 4y
Location
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Computed from 5 filingsDesigns, supplies, installs and maintains renewable energy systems for residential buildings, including air, ground and water source heat pumps, solar and battery systems, mechanical ventilation with…
Serves private homeowners, architects, builders, housing developers, housing associations, councils and property management companies across southern England, especially for homes, renovations, new…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
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Computed from 4 filingsFinancial Health
StrongStrong · Growing, Hiring · 26% CAGR over 3y
Location
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Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
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Computed from 5 filingsProvides gas heating and plumbing services including new boiler installation, boiler repairs and servicing, power flushing, underfloor heating installation, smart heating controls, and plumbing work…
Serves primarily residential customers, including homeowners, private landlords and letting agents, across Bracknell, Ascot, Windsor, Slough, Maidenhead, Crowthorne, Yateley and surrounding areas.
Financial Health
HealthyHealthy · -10% CAGR over 4y
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Computed from 5 filingsFinancial Health
WeakWeak · -67% CAGR over 4y
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Computed from 5 filingsProvides domestic and commercial plumbing and heating services, including installation, maintenance and repair of boilers, gas and oil heating systems, and general plumbing work. Gas Safe and OFTEC…
Serves domestic and commercial customers, including homeowners, landlords and businesses with heating and plumbing requirements, particularly users of gas or oil-fired systems.
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing, heating and boiler services including installation, servicing and repair of gas boilers, central heating systems and pipework, as well as leak repairs, bathroom installations and…
Serves homeowners and residential property owners in Newbury and West Berkshire, primarily local consumers needing domestic boiler, plumbing and heating support.
Financial Health
StableStable · -66% CAGR over 4y
Location
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Computed from 3 filingsProvides mechanical engineering services including pipe fitting and plumbing, and off‑site prefabrication of pipework modules, plant rooms, pump skids and riser modules. Installs and upgrades pipe…
Serves businesses, main contractors and construction/engineering teams delivering commercial and industrial building projects, including clients needing mechanical pipework, plumbing and…
Financial Health
DistressedDistressed · -29% CAGR over 2y
Location
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Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
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Computed from 3 filingsFinancial Health
StableStable · 0% CAGR over 2y
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Computed from 5 filingsFinancial Health
WeakWeak · -13% CAGR over 5y
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Computed from 3 filingsFinancial Health
HealthyHealthy
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How Reading Plumbing & Heating companies work and how to sell to them
What they do
Revenue usually comes from one-off repair call-outs, quoted installation and refurbishment projects, and retained maintenance cover for landlords or facilities teams. Domestic jobs are often priced as call-out plus labour and parts, while bathrooms, plant-room work and pipework are quoted against scope, materials and site access. Commercial maintenance tends to move towards planned visits, emergency response terms and agreed day rates. The service is physical and labour-led, but the margin mechanics are administrative as much as technical: keeping engineers booked, recovering parts costs, managing warranties and getting paid quickly after completion.
Who they sell to
Customers split between households with urgent faults, landlords managing tenant turnover, managing agents, facilities managers, construction contractors and local businesses with boilers, washrooms or small plant rooms. Low-value domestic work can be approved almost immediately by the property owner or tenant-facing manager. Project and maintenance work usually involves an owner-manager, operations lead, facilities manager or contract manager, with larger packages influenced by insurer requirements and site-access constraints. Sales routes are mixed: word of mouth and search for domestic work, direct relationships for landlords, and subcontractor or tender channels for construction and facilities work.
What they buy
Most Reading plumbing and heating firms tend to spend where it helps engineer utilisation, evidence of completed work and cash collection. Common categories include field-service scheduling, job management, quoting, mobile forms, accounting, payroll, card payments, customer messaging and basic CRM. They also buy insurance, training, certification support, recruitment, vehicle leasing, fuel cards, workwear, tools, stock management and parts purchasing services. Larger contractors with commercial accounts may add workforce planning, health-and-safety administration, document control and reporting tools, particularly where buyers expect service histories, asset registers and attendance records rather than a simple invoice after the visit.
Why and how to sell to them
Buying triggers tend to appear when reactive calls start to crowd out planned work, when a new maintenance contract adds repeat visits, when office staff are hired to manage engineers, or when a tender asks for better documentation. Labour shortages, parts delays and disputed call-out times can also push owner-managers to review suppliers. Outbound that works in this segment usually starts with operational leakage rather than abstract efficiency: missed appointments, unpaid variations, handwritten job sheets, slow invoicing, poor renewal follow-up and weak proof of attendance. Messages should be practical, local-market aware and framed around protecting margin on labour hours.
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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