M&E contractors in London

990 m&e contractors across London.

• G Galway Hynes Ltd London · Design & build · 1-9 employees

  London based design and build company with over 30 years of experience. We create and maintain spaces for people to live, work and learn.

• G Gamma Energy Ltd London · Solar PV

  Gamma Energy is a green energy engineering company specializing in solar PV, EV charging, and energy efficiency solutions. They offer design, financin

• G Ganzke Construction Ltd London · Main contractor · 1-9 employees

  Ganzke Construction Ltd offers 24/7 emergency construction services, property maintenance, and planned refurbishment projects for residential and comm

• G Gas First Ltd London · Heating & ventilation

  Gas Safe registered engineers in East London for boiler repair, servicing, gas safety certificates & emergency call-outs. Fast, reliable service for h

• G Gas Heating Ltd London · Property developer

  Gas Heating Ltd is a property developer company based in London, registered at Companies House in 2025.

• G Gas Inspections Ltd London · Plumbing

  Gas Inspections Ltd is a plumbing company based in London, registered at Companies House in 2023.

• G Gas Ray London · Plumbing

  Gas Ray provides domestic gas, plumbing, and heating services in London. As a family-owned business, they offer expert advice and reliable service for

• G Gas Weiss Plumbing & Heating Ltd London · Plumbing

  Gas Weiss Plumbing & Heating offers expert boiler installations, repairs, servicing, and Gas Safe certification across London. We provide emergency pl

• G Gassafetyexperts Ltd Thornton Heath · Plumbing

  Gas Safety Experts offers comprehensive plumbing, heating, and gas safety certification services across London and the UK. We provide 24/7 emergency r

• G Gastrax Gas & Heating Ltd Epsom · Heating & ventilation

  Gas Safe heating and plumbing engineers based in Epsom, serving Surrey. Boiler installation from £1625 + VAT, repairs, servicing and general plumbing.

• G GASWAVE PLUMBING & HEATING LTD London · Plumbing

  GasWave offers 24/7 emergency plumbing, heating, and boiler repair services across Greater London and Essex, guaranteeing a 1-2 hour response time.

• G Gb Specialist Access Solutions Ltd London · Scaffolding

  Rope access specialists offering a range of installation, construction, fall protection and cleaning services. IRATA-trained.

• G GB Warehouse Solutions London · Steel fabrication

  GB Warehouse Solutions offers warehouse services including racking installation, safety inspections, and building maintenance. HSE compliant.

• G Gc Construct Ltd London · Refurbishment

  GC Construct Ltd is a multi-trade company offering internal and external property refurbishment, concrete repair, and maintenance services across Lond

• G Gca Construction Ltd Dagenham · Plumbing · 1-9 employees

  GCA Construction Ltd specializes in top-tier plumbing, pipefitting, and welding services for residential renovations and commercial infrastructures.

• G Gee-Bec Services Ltd Kent · M&E contracting · 10-49 employees

  Professional mechanical and electrical contractors delivering compliant, efficient M&E systems for construction projects with ISO 9001 quality assuran

• G GEL Engineering Enfield · Civil engineering · 50-249 employees

  GEL Engineering provides end-to-end infrastructure engineering solutions, specializing in civil, mechanical, and electrical services. They offer fabri

• G Gemec Ltd Borehamwood · Solar PV · 10-49 employees

  GEMEC's main activity and expertise is the Engineering, Procurement and Construction of Renewable energy projects.

• G GH London · Fit-out & interiors · 10-49 employees

  Award-winning interior specialists with three decades of experience delivering retail, leisure and residential projects for prestigious brands. Known

• G Gibson Integration Ltd Croydon · Security systems

  Gibson Integration Ltd is a long-established home automation and systems integration specialist, offering design, installation, and aftercare for high

• G Giga FM Ltd London · Electrical · 1-9 employees

  Giga FM Ltd is a UK facilities management, engineering, recruitment and commercial cleaning company delivering reliable services across the constructi

• G Gl Mapping Ltd London · Utilities

  High accuracy land and infrastructure surveys using cutting-edge technology. Laser scanning, topographical surveys, utility detection & measured build

• G Gl Projects Ltd London · Main contractor

  Combining modern construction methods & expert engineering for Data Centres, Critical Infrastructure & Facilities Management. Specialising in new buil

• G Go Plumbers Ltd West Byfleet · Plumbing

  Go Plumbers Ltd is a fully accredited plumbing and heating service in Surrey and South West London, offering quality workmanship and specialist servic

• G Goheat Ltd Barnet · Plumbing

  GoHeat Ltd offers professional plumbing, heating, and gas services with over 25 years of experience. Fully qualified engineers provide prompt, efficie

• G Gpm London Plumbing & Heating Ltd London · Plumbing

  Gpm London Plumbing & Heating Ltd is a plumbing company based in London, registered at Companies House in 2025.

• G Gratte Brothers Building Services Maintenance Ltd London · Electrical

  Gratte Brothers Building Services Maintenance Ltd is a electrical company based in London, registered at Companies House in 1992.

• G Gratte Brothers Catering Equipment Ltd London · Electrical

  Gratte Brothers Catering Equipment Ltd is a electrical company based in London, registered at Companies House in 1984.

• G Gratte Brothers Group Ltd London · M&E contracting

  Gratte Brothers delivers full-service building solutions-electrical, mechanical, foodservice, and security-for clients across London and the South of

• G Greene Construction Services Ltd Longfield · Refurbishment · 1-9 employees

  Greene Construction Services LTD is a trusted name in the construction industry, delivering high-quality building solutions across various sectors wit

• G Greenecopulse Ltd London · M&E contracting

  GreenEcoPulse delivers integrated building maintenance and renewable energy services with sustainable, efficient solutions for future-proof properties

• G Greenhithe Electrical Services Dartford · Electrical · 10-49 employees

  Dedicated to client satisfaction, Greenhithe Electrical Services GES are one of the fastest-growing and most trusted electrical contractors in the ind

• G Greyline Group Ltd Middlesex · Refurbishment · 50-249 employees

  Greyline are an established construction, maintenance and compliance service provider to the social housing and education sectors, one of our unique c

• G GRID Surveying London · Civil engineering

  Construction, topographical, drone and earthworks surveying across Essex, London and the South East. Working 3D survey data, setting out, volumes, ver

• G Grm Energy Ltd Watford · Solar PV · 10-49 employees

  GRM Energy LTD tackles fuel poverty through renewable energy, offering Solar PV, air source heat pumps, and 100% government-funded upgrades for homes

• G Grupo Eigra London · Design & build

  Efficient, competitive, and high-quality industrial services, improving processes to deliver lasting solutions worldwide. Specializing in project exec

• G Guardian FM London · Security systems · 1-9 employees

  Top-rated facilities management company in London, security, cleaning & concierge services. SIA approved. Free quote

• G Gulfstream Developments Ltd London · Property developer · 1-9 employees

  Gulfstream Developments offers comprehensive property and land development services, including commercial and residential new builds and refurbishment

• H H & V Building Services Ltd Cuffley · Electrical · 10-49 employees

  H&V Building Services Ltd, established in 1981, offers a comprehensive range of mechanical, electrical, and construction services. With a multi-genera

• H Habitan Group Ltd Romford · Heating & ventilation · 1-9 employees

  Habitan provides renewable heating & cooling solutions for London's residential and commercial buildings, focusing on efficiency, quality, and custome

• H Halrix Commercial Systems Ltd London · M&E contracting

  Leading UK experts in M&E consultancy and contracting. Seamlessly integrating design and installation for exceptional Mechanical and Electrical soluti

• H Hamlet Commercial Ltd Loughton · Refurbishment · 1-9 employees

  Hamlet is a premium construction and building refurbishment company, delivering comprehensive refurbishment services in and near London across residen

• H Hampstead Renovations London · Design & build

  High-end house refurbishment, flat refurbishment and house extensions across Prime North, Central and West London, Hampstead, Belsize Park.

• H Hampstead Renovations Group Ltd London · Refurbishment

  Award-winning renovation specialists across London. Extensions, loft conversions, kitchens, bathrooms and full refurbishments. 347+ five-star reviews.

• H Handyclick Ltd Croydon · Carpentry & joinery

  HandyClick offers reliable handyman, cleaning, clearance, and property maintenance services in Croydon and surrounding areas. Our services include car

• H Hanover Building Services London · M&E contracting

  Award-winning London based MEP Services Contractor delivering a spectrum of services to developments all over London and the home counties.

• H Hansa Group Ltd London · Main contractor · 1-9 employees

  Hansa Group provides end-to-end design and build solutions for commercial and industrial clients, including office fit-outs, refurbishments, and MEP s

• H Happy Heat Ltd Bushey · Heating & ventilation

  Happy Heat provides expert installation, servicing and repairs for domestic boilers, air conditioning, and commercial heating and HVAC systems across

• H Harwood Homes Building Contractors Ltd London · Main contractor

  Harwood Homes Building Contractors Limited are specialist luxury residential builders serving Essex and London. Extensions, full renovations, interior

• H Hasi Group Ltd Southgate · Design & build

  Hasi Group is a UK-based design-and-build principal contractor specialising in residential and mixed-use developments, combining rigorous commercial d