M&E Contracting Companies Using Squarespace in the UK: 103 Active Firms (2026)
M&E contractors running hosted website platforms deliver mechanical and electrical building services across UK commercial and infrastructure projects.
Hosted site platforms give M&E contractors a managed public shopfront for service lines, project credentials, coverage areas and enquiry capture. In this sector, adoption tends to point to a contractor with enough commercial process to care about tender discovery and local search, but not necessarily a dedicated in-house web team. The buying centre is usually commercial or operations-led rather than software-led: bid staff, directors and office managers need editable pages, accreditation copy, document embeds and a clear route for infrastructure and commercial clients to make contact. The platform choice also signals a preference for fixed-cost web maintenance over a bespoke CMS build.
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UK adoption remains a small slice of the mechanical and electrical contractor web stack: 103 companies in the cohort are running the hosted site platform. Within the sector CMS mix, it ranks third at 3.9% across the sector’s 2,660 CMS placements. Reported employment totals 1,456 people, so the footprint is visible but still tilted towards smaller contractors rather than national delivery groups. Registered-office distribution has a southern bias, with London at 17.5%, the South East at 13.6% and the East of England at 11.7%; the North West and Scotland each account for 9.7%.
Enquiry-led sites for mechanical and electrical contractors sit close to procurement rather than statutory licensing, but privacy and claims control still matter. Contact forms, analytics tags and embedded tender documents bring GDPR into scope, especially where names, site addresses or project details are captured before a formal bid process. Procurement teams also tend to read public pages as part of supplier checks, so insurance, accreditation, service coverage and safety statements need to match bid submissions. The hosted-platform ecosystem favours template-led pages, embedded brochures and light measurement; that suits brochure-led sales, while leaving less room for custom portals or integration with contract-management systems.
Adoption appears likely to stay selective. Contractors with bid-led commercial work tend to value an editable credentials site, particularly where directors or office teams own marketing updates without developer support. At the same time, many smaller trades businesses still get work through referral routes, framework relationships and local search profiles, which limits the need for a fuller hosted website build. Migration pressure has been coming from ageing self-managed sites, security upkeep and the wish to hand content changes to non-technical staff. The hosted model is less attractive where client portals, job-tracking integrations or complex document workflows sit at the centre of the digital estate.
Adoption by company size
Adoption of Squarespace varies by company size across the trading UK M&E contracting companies in this cohort. 2.8% of the 2,215 companies with under 10 employees run Squarespace (61 detected). 3.8% of the 1,023 companies with 10–50 employees run Squarespace (39 detected). 0.8% of the 118 companies with over 50 employees run Squarespace (1 detected). That is a 2% gap between the over 50 employees and under 10 employees bands.
103
Active firms
2026
3.9%
Of detected CMS share
UK M&E contracting
8
Median headcount
Filed accounts
200
Verified contacts
Across this cohort
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Key facts
About 7% of the trading cohort reports turnover above £5M (8 of 103 firms) — the rest sits below that revenue band.
6% of the cohort was incorporated since 2022 (7 firms), so a sizeable share is in its first few filing cycles.
Within M&E contracting, this hosted website platform ranks third by detected CMS share at 3.9% (103), behind two systems with 74.5% (1,982) and 10.1% (268).
London accounts for 17.5% (18) of the cohort, followed by the South East at 13.6% (14) and the East of England at 11.7% (12).
A web analytics tag is detected alongside the hosted website platform at 27.2% (28), while tag-management tooling appears at 5.8% (6).
Field Services & Trades tags apply to 81.6% (84) of the cohort and Construction tags to 78.6% (81), reflecting overlap between trade contracting and broader construction classifications.
CMS market share among UK M&E Contracting
Share of the 2,660 UK M&E Contracting with a detectable system. As of June 2026.
What else do Squarespace-running M&E Contracting run?
Share of the 103 Squarespace-running UK companies where each technology was also detected. As of June 2026.
Where Squarespace M&E Contracting are, and how healthy they look
By region
By registered-office region; companies without a regional match count toward Rest of UK.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
8
Median headcount
£1M
Median UK turnover
7.8%
Above £5M turnover
7
Incorporated since 2022
200 verified decision-maker contacts
across these 103 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK M&E Contracting using Squarespace
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Financial sub-scores
Computed from 5 filingsProvides building services engineering for commercial and industrial projects, including electrical and mechanical design and installation. Delivers lighting, power distribution, plumbing, heating,…
Sells to businesses and organisations needing building services, especially commercial and industrial clients. Serves sectors including education, offices, logistics, heritage, hospitality, leisure,…
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical contracting services, including design, installation and maintenance of building services and facilities systems for healthcare, education and commercial sectors…
Serves public- and private-sector organisations across the UK, particularly healthcare providers, schools, colleges, universities, and commercial property or facilities teams.
Financial Health
StableStable · 3% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides building services design and installation for commercial and industrial premises, including HVAC and plumbing systems, electrical installations, structured data cabling, and ongoing building…
Serves businesses with commercial and industrial premises, ranging from small offices to large PLCs, including office occupiers, workspace operators, corporate clients and property/project teams.
Financial Health
StableStable · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including system design and installation. Works on heating, ventilation and air conditioning, power distribution, lighting, fire alarms, data…
Serves public-sector and commercial building clients across the North West UK, including government buildings, universities, schools, colleges, hospitals, medical centres and cultural venues.
Financial Health
StableStable · -41% CAGR over 4y
Location
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Computed from 3 filingsProvides electrical and mechanical contracting services for residential, commercial and public buildings, including system design, installations and maintenance. Services cover heating and boiler…
Serves commercial, public sector and residential clients, including historic buildings, schools and universities, scientific facilities, museums, healthcare providers, sports and leisure venues, and…
Financial Health
StrongStrong · Profitable, Growing · 0% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides building services engineering including plumbing and heating, air conditioning, ventilation duct systems, electrical works, sprinkler systems, drainage, and gas and oil installations. Offers…
Serves commercial, industrial and building-sector clients in Kent, Essex and London, plus domestic property owners and light commercial sites such as offices, shops, static caravans and mobile homes.
Financial Health
HealthyHealthy · -71% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical and electrical building engineering services including system design, installation and maintenance. Delivers M&E solutions for construction and refurbishment projects across…
Serves B2B and public-sector clients in healthcare, education, science and research, including contractors, modular building providers, hospitals, universities and campus operators.
Financial Health
StableStable · Hiring · 6% CAGR over 3y
Location
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Computed from 3 filingsProvides electrical design, consultancy, installation, maintenance and testing services. Delivers electrical contracting for commercial and other sector projects, covering system planning, on‑site…
Serves B2B contract clients across commercial sectors, including cinema and leisure operators, property/project teams, and organisations seeking ongoing supplier relationships.
Financial Health
WeakWeak · -3% CAGR over 2y
Location
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Computed from 5 filingsProvides design and installation of mechanical building services for commercial projects. Offers CAD and BIM-based system design and carries out mechanical installations for commercial fit-outs,…
Serves B2B clients and construction project teams planning commercial fit-outs, refurbishments and mechanical works, from minor works to larger projects across London, Essex and surrounding areas.
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 4y
Location
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Computed from 5 filingsProvides construction and building services including mechanical and electrical installations, shopfitting and interior fit-outs, racking and storage installation, maintenance, and planning and…
Serves B2B clients, primarily national retailers, trade merchants and multi-site commercial operators in sectors such as outdoor retail, automotive, plumbing, building supplies, kitchens and wine…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsInstalls, services and repairs commercial and industrial heating, air conditioning and evaporative cooling systems. Provides ventilation and extraction systems, commercial boilers, warm air heating,…
Serves businesses with commercial or industrial premises, including retailers, manufacturers and facilities teams responsible for building systems, maintenance and compliance.
Financial Health
HealthyHealthy · -67% CAGR over 4y
Location
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Computed from 5 filingsProvides facilities management services including mechanical and electrical engineering, building fabric maintenance, planned and statutory maintenance, installation and repair works, reactive…
Sells to businesses and property stakeholders needing facilities management, including clients with commercial buildings and managed assets. Serves organisations across Scotland and the North of…
Financial Health
HealthyHealthy
Location
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Computed from 4 filingsProvides mechanical and electrical (M&E) design and installation services, focusing on commercial electrical systems, Category A and B fit‑outs, and infrastructure for critical environments,…
Serves B2B clients including commercial property developers, main contractors and occupiers needing critical-environment, commercial premises and Category A/B fit-out projects, with experience in…
Financial Health
StrongStrong · 10% CAGR over 2y
Location
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Computed from 5 filingsProvides mechanical and electrical contracting services for construction projects, including electrical installation and maintenance, plumbing and heating systems, boiler and air source heat pump…
Serves construction-sector businesses, main contractors and developers working on commercial, industrial and new-build projects of varying scale.
Financial Health
StrongStrong · Growing, Hiring · 47% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical and electrical building services for commercial construction projects, including system design, installation, testing and commissioning. Also offers project management for M&E…
Serves main contractors, property developers, consultants, business owners and homeowners across the UK, with customers in commercial property, student accommodation, hotels/leisure, heritage…
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting and building services for commercial and industrial premises, including electrical installation, HVAC and plumbing systems, structured data cabling, and ongoing…
Serves B2B clients occupying or managing commercial and industrial premises, from small offices to large PLCs, including corporate offices, coworking operators and property teams.
Financial Health
StableStable · Profitable · -2% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical building services including design, installation and commissioning of plumbing and public health systems, LTHW and chilled water pipework, ventilation and air conditioning, plant…
Serves commercial and domestic customers needing mechanical building services, including property owners, developers and contractors requiring heating, ventilation, air conditioning, gas, water and…
Financial Health
StableStable · Hiring · 14% CAGR over 4y
Location
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Computed from 2 filingsProvides electrical contracting services for industrial and commercial sites, including power distribution, containment, smart and LED lighting, machine controls, data and fibre cabling, CCTV, EV…
Serves UK business and public-sector clients, including industrial sites, warehouses, offices, shops, schools, hospitals, car parks and sports halls.
Financial Health
WeakWeak · -20% CAGR over 1y
Location
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Computed from 3 filingsProvides electrical engineering services including system design, installation and maintenance. Works on small and large commercial and industrial electrical projects for corporate and business…
Serves businesses across the UK, including blue-chip companies and large corporations, on both small and large-scale projects. Targets commercial buyers needing electrical engineering support for…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 3 filingsProvides design, installation, repair and maintenance of heating, ventilation and air conditioning (HVAC) systems for commercial and public sector buildings, including project planning, system…
Serves public sector organisations and institutional clients in Sheffield and beyond, including NHS bodies, police forces and universities, from small repair buyers to teams managing large capital…
Financial Health
DistressedDistressed · -22% CAGR over 2y
Location
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Computed from 5 filingsProvides commercial heating, ventilation and air conditioning (HVAC) services including system design, installation, servicing and maintenance. Also carries out electrical installations, pipework,…
Serves commercial organisations and some residential customers, mainly in the North East and nationwide. Customer base includes UK businesses across many sectors, from banks and building societies to…
Financial Health
DistressedDistressed · -16% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services including installation, maintenance and adaptation of electrical systems for public and private sector projects. Also installs fire alarms, lighting and…
Serves public-sector and private-sector organisations across varied industries, including government/NHS bodies and commercial clients requiring contracted electrical project support.
Financial Health
StableStable · -62% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical, plumbing and heating installation and maintenance services for new build developments, commercial properties, specialist fit-out projects, social housing and domestic properties,…
Serves developers, commercial property clients, fit-out contractors, social housing providers, renewable energy projects and domestic property owners across the South East and Greater London.
Financial Health
StrongStrong · Hiring · 35% CAGR over 5y
Location
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Computed from 3 filingsProvides mechanical and electrical engineering services including system design, installation, commissioning and maintenance for commercial developments and residential construction. Also installs…
Serves commercial developers, housebuilders, factory/PV farm operators and domestic construction clients in the North of England, plus interior designers and boutique kitchen and bathroom installers…
Financial Health
HealthyHealthy · Hiring · 73% CAGR over 2y
Location
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Computed from 5 filingsDesigns, manufactures, installs and maintains ventilation systems including ductwork, fire and smoke extraction systems, air conditioning and refrigeration equipment, and fire‑rated insulation for…
Serves commercial, education, leisure, hospitality, office, industrial and public-sector clients, as well as contractors managing building projects across the UK and Ireland.
Financial Health
HealthyHealthy · -7% CAGR over 5y
Location
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Computed from 3 filingsProvides design, survey, installation, and maintenance of HVAC and mechanical systems for commercial and residential buildings, including heating, ventilation, air conditioning, plumbing, ductwork,…
Serves a mix of private residential clients, commercial property owners/managers, retailers, construction firms, public sector bodies and not-for-profits, including theatres, venues, offices, hotels,…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 5 filingsProvides commercial and industrial electrical design and build services, including CAD-based system design, lighting design and installation, power distribution, modular wiring systems, electrical…
Sells to businesses in commercial and industrial construction, especially main contractors and clients commissioning CAT A and CAT B fit-outs, design-and-build electrical installations, and…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical engineering and contracting services, including electrical design and installations, lighting and emergency lighting systems, fire alarms, CCTV and security systems, data cabling,…
Serves retail and commercial businesses, including companies of varying sizes needing electrical engineering, installation, design and maintenance support for premises and interiors.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
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Computed from 3 filingsProvides electrical engineering services including design, installation and maintenance for commercial, industrial and residential projects. Delivers electrical systems for new builds and…
Serves commercial, industrial and residential clients across the UK and Ireland, including hotels, restaurants, education providers, hospitals, leisure facilities, churches, offices, retail units and…
Financial Health
WeakWeak · -9% CAGR over 2y
Location
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Computed from 3 filingsProvides mechanical, electrical and civil engineering contracting services, including groundworks, concrete works, steelwork, pipework and geotechnical works. Delivers construction and infrastructure…
Serves B2B construction and infrastructure clients needing contractors for NEC4 mechanical, electrical, civil engineering and groundworks projects up to £10m across Cornwall, Devon, Somerset and…
Financial Health
HealthyHealthy · -83% CAGR over 2y
Location
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Computed from 5 filingsProvides electrical contracting services including system design, installation, testing and maintenance. Works across commercial and public sector projects such as education facilities, retail…
Serves B2B and public sector clients, including education providers, retail businesses, local authorities and private sector landlords needing electrical project support.
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
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Computed from 5 filingsDesigns, installs and maintains building control systems for heating and cooling. Provides control panel design and build, building management system integration, servicing and support to ensure…
Serves public and private sector building owners, facilities managers and property operators across London and the South East, including schools, offices, hospitals, leisure centres, apartments,…
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing, heating and air conditioning (HVAC) services for the construction sector, including system design, mechanical installation, project management, maintenance and repair for…
Serves construction industry clients, main contractors, developers, and commercial or domestic project owners across the UK involved in large-scale mechanical projects.
Financial Health
StableStable · -2% CAGR over 5y
Location
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Computed from 5 filingsDesigns and installs HVAC control systems, building energy management systems (BEMS) and wireless building solutions. Provides commissioning, maintenance and technical support for building control…
Serves commercial building owners, facilities managers, building services consultants, contractors and end-users across the UK needing HVAC, BEMS and energy management support.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services specialising in installation of building management systems (BMS) for commercial and industrial facilities, and carries out electrical inspection and testing…
Serves B2B customers in the commercial and industrial property sectors across the UK, including organisations responsible for building management systems, electrical compliance, facilities and site…
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting services including electrical design and installation, data cabling, fire alarms and emergency lighting systems, electric vehicle charging point installation, security…
Serves organisations and property owners managing premises that require electrical, data, safety, security and maintenance support.
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical contracting, mechanical engineering, and project engineering services. Designs, supplies, and installs renewable energy systems including wind, solar, and battery storage, and…
Serves businesses, public-sector bodies, community organisations and infrastructure operators in Shetland and Scottish island locations, including farms, schools, ferry terminals, energy sites and…
Financial Health
HealthyHealthy
Location
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Computed from 5 filingsDesigns and installs air conditioning and ventilation systems, including fresh air supply, extract and ductwork systems. Provides CAD-based system design, commissioning, and maintenance services,…
Serves end users, project managers and contractors needing air conditioning, ventilation and ductwork projects, primarily across South Wales and beyond.
Financial Health
HealthyHealthy · -5% CAGR over 5y
Location
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Computed from 5 filingsDesigns and installs building energy management systems (BEMS) and integrated control systems for building services. Provides control panel manufacturing, system commissioning, maintenance and…
Serves businesses and organisations that own, manage or maintain commercial buildings, targeting facilities, estates and building services teams needing building energy management and control system…
Financial Health
StableStable
Location
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Computed from 4 filingsProvides design, installation, commissioning and maintenance of building management systems using open protocols. Integrates and monitors HVAC, lighting and security systems and supplies building…
Serves organisations that own or manage buildings, including facilities, estates and energy management teams seeking building automation, analytics and energy management support.
Financial Health
WeakWeak · 3% CAGR over 2y
Location
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Computed from 2 filingsProvides electrical and mechanical contracting services including electrical installations, plumbing, heating and HVAC works. Delivers projects for residential, commercial and industrial properties,…
Serves housebuilders, social housing providers, residential park home operators, industrial and commercial property owners, and domestic homeowners nationwide.
Financial Health
StableStable
Location
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Computed from 5 filingsProvides electrical contracting and engineering services for construction projects, including first and second fix electrical installations, bespoke lighting systems, heavy‑duty UPS and emergency…
Serves construction-sector clients across the UK and Republic of Ireland, including developers, main contractors and organisations in health, education, hospitality, commercial, industrial, social…
Financial Health
StrongStrong · Hiring · 5% CAGR over 4y
Location
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Computed from 4 filingsProvides HVAC and commercial ventilation services, including consultancy, planning, system design, installation and maintenance. Specialises in air conditioning, kitchen extraction and ventilation…
Serves B2B customers in the restaurant, retail and leisure sectors, including operators of commercial premises and kitchens with air quality and climate control requirements.
Financial Health
StableStable · -81% CAGR over 3y
Location
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Computed from 4 filingsProvides mechanical building services for construction projects, working on residential properties and large commercial developments. Delivers installation and project work related to heating and…
Serves construction-sector clients, including residential property projects and large-scale commercial developments in the mechanical sector.
Financial Health
StrongStrong · Hiring · 26% CAGR over 3y
Location
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Computed from 5 filingsProvides commercial plumbing and mechanical services, including installation of kitchen teapoints, toilets and washrooms, under‑sink water heaters, and pumped waste systems. Also installs HVRF hot…
Serves commercial property clients across London, including corporate offices, hotels, retail units, cultural spaces, listed buildings and multi-use developments, as well as facilities managers and…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
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Computed from 5 filingsDesigns, supplies and installs ventilation and air conditioning systems for residential new‑build and commercial properties. Provides ductwork and ventilation solutions for construction projects,…
Serves UK construction and property clients, including new-build residential developers, commercial building projects, M&E contractors and domestic customers needing air conditioning.
Financial Health
StableStable · Hiring · 13% CAGR over 4y
Location
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Computed from 4 filingsProvides mechanical and electrical contracting services including design, installation, testing and maintenance of electrical, heating, plumbing and renewable energy systems. Also installs home…
Serves commercial and industrial clients needing mechanical and electrical contracting, and also sells to domestic homeowners seeking smart home, home cinema, heating, renewables and electrical…
Financial Health
StableStable · Hiring · 33% CAGR over 3y
Location
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Computed from 5 filingsProvides electrical design, installation and testing services for commercial and domestic projects, including standby generators, air conditioning, ventilation, fire alarms, CCTV and access control,…
Serves commercial developers, contractors and property owners involved in new-build and refurbishment projects, plus residential schemes such as hotels, student accommodation, apartment blocks and…
Financial Health
StableStable · Hiring · 9% CAGR over 4y
Location
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Computed from 5 filingsDesigns and manufactures control panels for heating, ventilation and air conditioning (HVAC) and building management systems. Provides system design, electrical installation, project management,…
Sells to businesses and institutions managing commercial buildings, including building services managers, schools and maintenance teams needing HVAC and building management control systems,…
Financial Health
StableStable · -8% CAGR over 4y
Location
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Computed from 5 filingsProvides plumbing, heating, electrical and renewable energy system installation for residential developers, social housing refurbishment programmes and commercial construction projects, including gas…
Serves new-build housing developers, housing associations, local authorities and commercial property clients, including extra care and student accommodation projects, across the South Midlands, East…
Financial Health
StableStable · -11% CAGR over 4y
Location
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How Squarespace usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling. M&E contracting companies are identified using Firmbase's semantic classification of company activity, built from filings, websites and registered SIC codes rather than SIC codes alone. The detected counts and share figures on this page are computed within that sector cohort, so "share" always means share of M&E contracting companies with a detectable system — not of all UK companies.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
Squarespace is a trademark of its respective owner. Firmbase is not affiliated with, sponsored by, or endorsed by the trademark owner.
UK M&E Contracting by CMS
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Frequently asked questions
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