M&E Contracting Companies Using reCAPTCHA in the UK: 888 Active Firms (2026)
M&E contractors using website bot protection deliver mechanical and electrical building services across the UK.
Contact and tender-enquiry forms are the relevant buying centre here, rather than security engineering in the round. For mechanical and electrical contractors, the tool usually sits on public enquiry pages, bid-interest forms and service-line landing pages, where it filters automated submissions before they reach estimating, commercial or contracts teams. Adoption tends to signal a contractor with an active direct-channel website, enough inbound volume to make spam a nuisance, and a web estate maintained by either an internal marketing lead or an external agency. It is a small part of the stack, but it often travels with analytics, search-optimisation plug-ins and content-management tooling.
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UK adoption among M&E contractors is concentrated in 888 actively trading companies. Reported employment totals 4,084 people across the cohort, giving the technology a visible but still mid-market-weighted footprint rather than a pure enterprise one. Within detected security tooling for the sector, the system sits at the head of the category with a 94.0% share. Registered-office geography is spread across several contracting regions: South East 17.1%, North West 11.7%, East of England 11.7%, London 11.5% and West Midlands 11.0%. That pattern fits a sector where projects, framework work and maintenance contracts are often won away from a single headquarters market.
Procurement and assurance questions are usually indirect. Contractors running form-protection software still sell building-services delivery, so buyer scrutiny tends to sit around cyber hygiene, client confidentiality, supplier portals and the handling of personal details submitted through enquiry forms. Where the website uses a challenge, cookie or behavioural signal, implementation has to sit alongside privacy notices, consent settings and retention controls managed by the contractor or its web agency. The vendor relationship is often mediated through general website maintenance rather than a security procurement exercise, which can make configuration ownership less clear when forms feed sales, estimating and service desks.
Adoption appears sticky because the technology solves a plain operational problem rather than a board-level security question. Contractors with ageing websites may keep it in place until a wider site rebuild or agency change, while more digitally active firms tend to fold bot control into managed hosting, form tooling and analytics governance. Pressure is likely to come from privacy reviews, accessibility expectations and the bundling of security features into broader web platforms. Some replacement is plausible where form completion friction affects enquiries, but wholesale migration looks less likely than quiet reconfiguration.
Adoption by company size
Adoption of reCAPTCHA rises with company size across the trading UK M&E contracting companies in this cohort. 25.2% of the 2,215 companies with under 10 employees run reCAPTCHA (559 detected). 29.2% of the 1,023 companies with 10–50 employees run reCAPTCHA (299 detected). 33.1% of the 118 companies with over 50 employees run reCAPTCHA (39 detected). That is a 7.9% gap between the over 50 employees and under 10 employees bands.
888
Active firms
2026
94%
Of detected Security share
UK M&E contracting
7
Median headcount
Filed accounts
1,976
Verified contacts
Across this cohort
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Key facts
About 12% of the trading cohort reports turnover above £5M (108 of 888 firms) — the rest sits below that revenue band.
4% of the cohort was incorporated since 2022 (37 firms), so a sizeable share is in its first few filing cycles.
Registered addresses skew towards the South East at 17.1% (152), with the North West and East of England both at 11.7% (104).
Website stacks are mostly CMS-led: 83.2% (739) also run the same content-management system, 54.5% (484) also run the same analytics service and 47.3% (420) also run the same search-optimisation plugin.
M&E contracting sits largely inside Field Services & Trades at 86.3% (766) and Construction at 73.1% (649), with Renewable Energy present on 8.6% (76).
Financial-health scoring is mixed: the two upper bands are 27.6% (245) and 29.4% (261), while the two lower bands are 13.5% (120) and 4.6% (41).
Security market share among UK M&E Contracting
What else do reCAPTCHA-running M&E Contracting run?
Share of the 888 reCAPTCHA-running UK companies where each technology was also detected. As of June 2026.
Where reCAPTCHA 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.
7
Median headcount
£975.6K
Median UK turnover
12.2%
Above £5M turnover
37
Incorporated since 2022
1,976 verified decision-maker contacts
across these 888 companies, with emails available in Firmbase. Filter by role, seniority and stack.
Top UK M&E Contracting using reCAPTCHA
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 mechanical and electrical building services engineering, including design, manufacture, installation and maintenance of systems such as lighting, heating, ventilation, plumbing, power…
Serves public and private sector organisations across the UK and Ireland, including clients in industry, commerce, education, healthcare, retail, leisure, hospitality, offices and pharmaceuticals.
Financial Health
StrongStrong · Hiring · 8% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical and mechanical contracting services including electrical testing and installations, fire and security systems, air conditioning and refrigeration, and data infrastructure. Offers…
Serves businesses and organisations across the UK managing premises, infrastructure or construction projects, including both new and repeat clients with projects of varying sizes.
Financial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides building engineering and facilities services including MEPH planned and reactive maintenance, HVAC and electrical systems servicing, M&E fit‑out and infrastructure projects, critical system…
Serves B2B property owners, developers and facilities managers across UK developments, including heritage and leisure venues, commercial offices, estates and business parks, life sciences and…
Financial Health
StrongStrong · Profitable, Growing · 2% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsProvides mechanical and electrical contracting services for commercial, industrial and domestic properties, including electrical installations, lighting and power systems, fire alarms, data cabling,…
Serves commercial, industrial and domestic customers across the UK, including hospitals, schools, colleges, universities, retailers, offices, landlords, homeowners, small businesses, blue-chip…
Financial Health
HealthyHealthy · Hiring · 65% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical, electrical and building services contracting, including consultation, design and installation for construction projects. Works across commercial, retail, education, healthcare,…
Serves public and private sector organisations across the UK, including commercial and retail operators, education providers, healthcare bodies, industrial and manufacturing sites, and sports and…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical contracting services including design, installation and maintenance of building systems. Delivers full M&E packages for commercial, residential and industrial…
Serves main contractors and commercial or industrial clients across the UK, especially in education, healthcare, Ministry of Justice, leisure and industrial sectors, with some residential customers.
Financial Health
WeakWeak · -3% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsDesigns, installs and commissions mechanical and electrical building services for construction and refurbishment projects. Provides engineering works such as heating plant upgrades, building systems…
Serves public and private sector organisations managing property estates, including commercial, education, healthcare, retail, leisure and industrial sites needing building services across new build,…
Financial Health
StrongStrong · -5% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides design, installation and commissioning of mechanical, electrical and plumbing (MEP) building services for construction projects, including public health systems and planned preventative…
Serves B2B and public-sector clients in education, government, commercial property, healthcare, hotels, communal housing and retail, typically via project tenders for building services contracts.
Financial Health
StableStable · -91% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains mechanical and electrical building services for commercial and industrial facilities, including HVAC, heating, ventilation, air conditioning, plumbing, electrical…
Serves commercial and industrial clients across the UK, including organisations in retail, healthcare, education, religious, process, leisure and residential sectors.
Financial Health
StrongStrong · Hiring · 9% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical contracting services including system design, project coordination using 3D design software, and installation. Delivers M&E works for commercial, education,…
Sells to business and institutional clients needing mechanical and electrical contracting for projects nationwide, particularly in commercial, education, fit-out, industrial, healthcare, retail and…
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical and mechanical contracting for commercial and industrial projects, including electrical installations, mains distribution, HVAC and pipework systems, EV charger installations,…
Serves commercial and industrial organisations across the UK, including retail, logistics, offices and large building project clients needing accredited electrical and mechanical contractors.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including consultancy, design, estimating, installation and maintenance. Delivers coordinated M&E solutions for sectors such as government,…
Serves commercial and public-sector clients nationwide, including government bodies, retailers, healthcare providers, education organisations, car dealerships, residential developers, industrial…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides design, installation and maintenance of mechanical, electrical and plumbing (MEP) systems for construction projects, including high-rise residential developments. Also delivers facilities…
Serves B2B construction and property clients, including developers, main contractors, commercial building owners and facilities teams on high-rise residential, retrofit, flagship and energy-centre…
Financial Health
HealthyHealthy · Profitable · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides integrated mechanical and electrical contracting services including design, installation and maintenance of electrical systems, heating, ventilation and air conditioning, plumbing, and…
Serves business owners and facilities managers across the UK, including education providers, hospitality businesses, manufacturers, councils, commercial property operators and housing organisations.
Financial Health
StrongStrong · Growing, Hiring · 23% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including consultancy, system design, estimating, installation, and maintenance. Delivers coordinated M&E solutions for construction projects…
Serves business and public-sector clients nationwide, including government, retail, healthcare, education, car dealerships, residential developers and industrial organisations, with an emphasis on…
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical, electrical, and public health engineering services for commercial and industrial buildings, including design, installation, and maintenance of HVAC, plumbing, ventilation, power…
Serves commercial and industrial organisations across the UK seeking turnkey M&E contractors for building projects, maintenance, and sustainability upgrades.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical, electrical and plumbing (MEP) engineering, pipe welding and fabrication, and high‑ and low‑voltage cabling installation for commercial, industrial and infrastructure projects,…
Serves B2B and public-sector buyers delivering commercial, industrial, energy and critical infrastructure projects across the UK and Ireland, including main contractors, developers, facilities teams…
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical, electrical and plumbing (MEP) building services including system design, BIM/CAD coordination, installation and maintenance of heating, air conditioning, ventilation, drainage,…
Serves public sector bodies, private businesses and high-end residential property owners, including schools, laboratories, restaurants and bars, hotels, offices, medical centres and listed or prime…
Financial Health
StrongStrong · Hiring · 11% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides building engineering and security services including mechanical, electrical and plumbing installation, fire detection and protection systems, electronic security and physical access control,…
Serves public-sector and commercial organisations, including blue light services, social housing providers, county councils, government bodies, custodial facilities and schools.
Financial Health
StrongStrong · Growing, Hiring · 13% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDesigns, installs and maintains HVAC and building services systems including air conditioning, refrigeration, chillers, ventilation, heating and electrical systems. Provides planned maintenance,…
Serves UK businesses, public-sector bodies and facilities managers with commercial sites, including healthcare providers, hospitals, offices, telecoms sites, sports venues and contractors requiring…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 11% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides mechanical and electrical building services including system design, installation and maintenance. Installs HVAC, fire and security systems, air conditioning, heat pumps and refrigeration,…
Serves construction clients, facilities managers, local authorities and property owners in commercial, education, healthcare, hotel, industrial, residential, student accommodation, sports and leisure…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 12% CAGR over 3y
Location
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Financial sub-scores
Computed from 5 filingsProvides electrical and mechanical engineering services, including installation and maintenance of commercial fire alarm systems, passive fire protection, renewable energy systems, interior fit‑outs,…
Serves B2B commercial and industrial clients across the UK, including offices, hotels, retailers, pharmaceutical firms, logistics operators, banks, museums, and construction/main contractor partners.
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical engineering services including pipework installation, HVAC, heating, chilled water, ventilation, plumbing, and power and lighting systems. Offers design,…
Serves B2B and public-sector clients in healthcare, education and industrial built environments across the UK, including hospital estates teams, schools, universities, contractors and facilities or…
Financial Health
StrongStrong · Hiring · 6% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides building services engineering including mechanical and electrical installation, renewable energy systems, design and build projects, project management, and planned maintenance for…
Serves B2B and public-sector clients, including industrial and manufacturing sites, office occupiers, healthcare facilities, universities, colleges, and organisations requiring planned maintenance.
Financial Health
HealthyHealthy · Growing, Hiring · 12% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical engineering services for building projects, including HVAC, plumbing, fire protection, refrigeration, power distribution, lighting and control systems. Delivers…
Serves construction management companies, retail brands and commercial property clients nationwide, including offices, industrial sites, educational facilities and residential refurbishment projects.
Financial Health
StrongStrong · Growing, Hiring · 22% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical (M&E) building services design and installation for commercial fit‑out and refurbishment projects. Delivers CAT A and CAT B office fit-outs and electrical works…
Serves B2B commercial construction and fit-out clients, including main contractors, property owners, office occupiers, retailers, supermarkets, museums and entertainment venues, mainly on CAT A/CAT B…
Financial Health
StrongStrong · Profitable · -2% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides electrical contracting services including design, installation and maintenance of mechanical and electrical systems and HVAC for commercial and industrial construction projects, and manages…
Serves B2B customers in commercial and industrial construction, including main contractors, M&E/HVAC firms, architects and engineers involved in large-scale new-build and built-environment projects…
Financial Health
StrongStrong · Growing, Hiring · 35% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical, electrical and plumbing (MEP) engineering services for building projects, including system design, project management, installation, testing and commissioning of heating,…
Serves national contractors, consultants and end-user organisations across the UK undertaking building projects, including commercial, residential and facilities teams needing MEP project support.
Financial Health
StrongStrong · Growing, Hiring · 31% CAGR over 2y
Location
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Financial sub-scores
Computed from 4 filingsProvides building services engineering including design, installation and maintenance of heating, plumbing, ventilation and air conditioning systems. Also delivers electrical services, controls, fire…
Serves main contractors and organisations across education, healthcare/veterinary, retail and food, hotels/student accommodation, heritage, high-end residential, motor, public services, and…
Financial Health
StrongStrong
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical, electrical and public health (MEP) building services including system design, installation and project management. Delivers renewable energy systems and facilities management for…
Serves public and private sector clients on medium and large building projects, including infrastructure, commercial, residential and facilities management settings in the UK and overseas.
Financial Health
StrongStrong · Hiring · 15% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides electrical and mechanical contracting services including design, installation, inspection and maintenance of lighting, power, fire and security systems, voice and data networks, and HVAC,…
Serves private and public sector clients, facilities management companies and property owners needing electrical and mechanical services for commercial, industrial and residential projects, including…
Financial Health
StrongStrong · Growing · 3% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services for construction projects, including system design, groundwork, installation and project management. Delivers M&E engineering solutions for…
Serves construction and property-sector clients in London and the South East, including contractors and organisations delivering building and interior projects that require mechanical and electrical…
Financial Health
StableStable · -15% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides mechanical and electrical contracting, facilities management, heating, plumbing and HVAC installation, gas services, steelwork fabrication, specialist welding, and interior fit‑out and…
Sells to business and public sector clients, primarily main contractors in construction supply chains. Serves commercial, industrial, government, healthcare, local authority, education, leisure,…
Financial Health
StrongStrong · Profitable, Growing, Hiring · 11% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsProvides mechanical and electrical building services including design, installation, testing and maintenance. Offers commercial fit-outs, building maintenance, HVAC, gas and electrical servicing,…
Serves businesses, public sector bodies and property developers across the UK, including commercial, industrial, education, institutional and residential property clients with building projects and…
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 3y
Location
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Computed from 5 filingsProvides mechanical and electrical building services including system design, energy efficiency planning, installation, and ongoing maintenance for commercial and industrial facilities, working with…
Serves B2B customers in commercial and industrial property, including main contractors and end users across education, healthcare, heritage, office development, retail and leisure sectors in the…
Financial Health
HealthyHealthy · -6% CAGR over 4y
Location
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Computed from 5 filingsProvides mechanical and electrical installation, maintenance and facilities management services for commercial, industrial and residential buildings. Services include HVAC, electrical systems,…
Serves B2B and some residential customers, including facilities teams, property managers and developers across commercial, industrial and high-end domestic premises. Targets sectors such as…
Financial Health
StrongStrong · Growing, Hiring · 27% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical and mechanical engineering contracting services including electrical design, installation and maintenance, plumbing and heating systems, building services testing and inspection,…
Serves commercial, industrial and public-sector organisations in the North of England, including education, emergency services, retail/leisure sites and energy infrastructure operators.
Financial Health
HealthyHealthy · 2% CAGR over 4y
Location
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Computed from 5 filingsProvides electrical and mechanical contracting services including installation and maintenance of building electrical systems, mechanical services, renewable energy systems, and design support for…
Serves B2B and institutional clients, including university estate teams, main contractors, and organisations managing laboratories, offices, teaching spaces and building infrastructure.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides design, installation, testing and maintenance of electrical and mechanical building systems, including fire and security, renewables, and structured cabling, for commercial, industrial and…
Serves UK commercial, retail, education, healthcare, industrial and residential clients, including main contractors, architects, consultants, developers, homeowners and operators of large…
Financial Health
StrongStrong · -3% CAGR over 4y
Location
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Financial sub-scores
Computed from 4 filingsProvides design, installation, commissioning and maintenance of mechanical and electrical building services systems for construction and refurbishment projects, serving public and private sector…
Serves private and public sector organisations, including schools, universities, healthcare and NHS bodies, industrial and commercial clients, and developers of larger residential schemes.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 3y
Location
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Financial sub-scores
Computed from 4 filingsProvides mechanical and electrical engineering contracting services including system design, installation and maintenance, control and process systems, fire safety, security and access systems,…
Serves business and site-based clients across industrial sectors, including facilities and estates teams needing mechanical, electrical, fire, security and building services. Targets organisations…
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 3y
Location
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Computed from 4 filingsDesigns, installs, refurbishes and maintains mechanical and electrical building services systems, including air conditioning, commercial refrigeration and renewable energy technologies, for…
Serves local authorities and private-sector clients commissioning large-scale building projects, including commercial, industrial and residential developments, housing schemes, education facilities,…
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides design, supply, installation, testing and maintenance of electrical and mechanical systems for commercial and industrial projects. Delivers MEP services including energy management, security…
Serves commercial and industrial clients, including schools, offices, warehouses, data centres and retailers, plus construction sites needing temporary site services across parts of South East and…
Financial Health
StrongStrong · Growing, Hiring · 12% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides construction and civil engineering, mechanical and HVAC, and electrical, control and instrumentation services. Delivers engineering design, project management and turnkey project delivery…
Serves blue-chip organisations in regulated UK sectors, including chemical, pharmaceutical, food and beverage, transportation, utilities and industrial facilities.
Financial Health
HealthyHealthy · Profitable, Hiring · 10% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides construction and energy efficiency services including whole-house retrofit, external wall insulation, mechanical and electrical installations, renewable energy systems, EV charging…
Serves local authorities, housing associations, energy companies, businesses and large retail clients across the UK, with a customer base spanning public sector, social housing and commercial…
Financial Health
StrongStrong · Profitable, Hiring · 26% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsProvides building services engineering installation for construction projects, including system design, project management, on‑site installation and commissioning. Conducts surveys and coordinates…
Serves B2B construction and property clients, including developers, main contractors, building owners, designers and consultants managing commercial projects in London and the South East.
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
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Financial sub-scores
Computed from 5 filingsProvides construction, civil engineering and mechanical and electrical services for commercial and industrial projects, including metal fabrication, HVAC installation, fire protection systems,…
Serves commercial and industrial organisations across the UK, including facilities operators, infrastructure developers, and public- or private-sector project owners managing small works, major…
Financial Health
StrongStrong · Growing, Hiring · 25% CAGR over 5y
Location
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Financial sub-scores
Computed from 3 filingsProvides electrical engineering and mechanical and electrical (M&E) services including system design, installation and maintenance, electrical compliance testing, lighting and fire alarm systems, and…
Serves commercial, public-sector and industrial clients in the South West, including education, healthcare, leisure and business property owners or project teams.
Financial Health
HealthyHealthy · Hiring · 16% CAGR over 2y
Location
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Computed from 4 filingsProvides industrial and commercial electrical and mechanical engineering services including system design, installation and maintenance, high and low voltage electrical works, automation and…
Serves B2B industrial and commercial organisations across the UK, including plant operators, production facilities, facilities managers and premises owners needing electrical, mechanical,…
Financial Health
HealthyHealthy · -1% CAGR over 3y
Location
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Computed from 3 filingsProvides mechanical, electrical and plumbing contracting services including installation, maintenance and refurbishment works. Delivers building fabric, interior fit‑out and turnkey project delivery,…
Serves organisations across Scotland in healthcare, education, retail, sports and leisure, distilling and brewing, industrial, commercial, corporate, hospitality and residential sectors, including…
Financial Health
StrongStrong · Growing, Hiring · 20% CAGR over 2y
Location
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How reCAPTCHA 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.
reCAPTCHA 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 Security
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Frequently asked questions
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