Gas Safe accredited construction companies

4049 UK construction companies displaying Gas Safe on their website.

• H Htc Mechanical Services Ltd Dungannon · Heating & ventilation · 10-49 employees

  HTC Mechanical Services provides completed mechanical services from design to installation across Northern Ireland, Republic of Ireland and the UK.

• T Tri-Heat Ltd Ballymena · Plumbing · 1-9 employees

  Tri-Heat Ltd Northern Ireland offers industrial, commercial and residential plumbing and mechanical services. Specialising in heating, ventilation, an

• H Heaney Heating Ltd Belfast · Heating & ventilation · 10-49 employees

  Heaney Heating Ltd is a well established Gas Installation company in the greater Belfast area.

• S Safe Gas NI Newtownabbey · Heating & ventilation · 10-49 employees

  Safe Gas NI offers reliable boiler installations, repairs & heating services in Belfast and Lisburn. Trusted local engineers serving homes across Nort

• S Stephen Meneely Gas & Plumbing Ltd Belfast · Plumbing

  Stephen Meneely Plumbing & Gas offers trusted plumbing and heating services in Belfast and across Northern Ireland. Fully qualified engineers for boil

• N North Down Boilers Bangor · Heating & ventilation · 10-49 employees

  North Down Boilers: expert boiler installations, servicing, and repairs. Gas Safe & OFTEC registered engineers with over 20 years' experience. Serving

• M Mclaughlin & Woods Ltd Belfast · Main contractor · 1-9 employees

  McLaughlin & Woods Ltd, established 1981, offers building, plumbing, heating, and facilities management services. Based in Belfast, working throughout

• M Mcgaffin Mechanical Ltd Banbridge · Heating & ventilation

  McGaffin Mechanical Ltd is a leading provider of renewables, heating, and insulation solutions in Northern Ireland, offering total energy solutions fo

• A Ats Gas Services Ltd Belfast · Plumbing

  ATS Gas Services offers a full range of gas and oil services, including boiler installation, servicing, and repairs, alongside expert plumbing and ele

• D DG Gas Safety Ltd Belfast · Heating & ventilation

  A local, reliable, award-winning heating company specialising in gas and oil boiler services, installations, and repairs for homeowners and landlords.

• E Eb Gas Services Ltd Newry · Heating & ventilation · 10-49 employees

  EB Gas Services offers a wide range of gas-related services including LPG supply, appliance installation, servicing, and catering equipment solutions

• T TOTALIS Belfast · Main contractor

  TOTALIS are a trusted contractor working within Construction, Fit Out and Facilities Management across the UK and Ireland. Delivering high quality bui

• A Amd Homes Ltd Ahoghill · Main contractor

  AMD Homes Ltd is an award-winning building contractor in Ballymena, Northern Ireland, specialising in building family homes. They offer design to buil

• M Mccusker Ltd Newry · Heating & ventilation

  McCusker Ltd offers high-quality gas/oil boiler installation, plumbing, and heating maintenance services. With Gas Safe and OFTEC registered engineers

• B B Jones Plumbing And Heating Ltd Craigavon · Plumbing

  B Jones Plumbing & Heating Ltd offers comprehensive plumbing and heating services in Northern Ireland. Gas Safe registered and OFTEC registered, we pr

• A Ads Mechanical Ltd Ballynahinch · Plumbing

  Providing top plumbing, heating, roofing, electrical, and joinery services across Northern Ireland for both residential and commercial clients.

• H Hynes Plumbing And Heating Ltd Belfast · Heating & ventilation

  Hynes Plumbing and Heating Belfast. As your local heating engineers we provide quality heating, plumbing and gas conversion services.

• G GREENLIGHT GAS LTD Belfast · Plumbing

  Greenlight Gas Ltd is a plumbing and heating company in Belfast, offering gas, oil, and plumbing services for homes and businesses. They have over 20

• D DJH Boiler Services Newtownards · Heating & ventilation

  DJH Boiler Services are natural gas, LPG and oil boiler specialists. Family run father & son team with over 25 years' experience in boiler servicing a

• J Jones Gas Services Ltd Belfast · Heating & ventilation

  Jones Gas Services offers expert gas installation, servicing, and repair for domestic and commercial properties in Belfast. Committed to safety and cu

• R Refresh NI Belfast · Heating & ventilation · 10-49 employees

  Refresh NI offer a variety of affordable energy efficient home improvements across NI! EV Charge Point Installers | Gas Conversions & More |

• K Kelly Mechanical Services (Ni) Ltd Dungannon · Heating & ventilation

  Kelly Mechanical Services: Providing Innovative & Sustainable Solutions for 20 Years. Trust us for your mechanical services needs.

• C Chill Gas Ltd Belfast · Heating & ventilation

  Family run boiler and heating engineers across Belfast and Northern Ireland. New boiler installations, repairs and servicing with 24-hour call-outs an

• S Smart Plumbing & Heating Belfast · Plumbing

  Smart Gas Plumbing offers expert plumbing, heating, and renewable energy solutions for domestic and commercial clients. Known for upfront pricing, qua

• M Mayfair Plumbers London Belfast · Plumbing

  Mayfair Plumbers London offers 24/7 plumbing, heating, and drainage services. Gas Safe experts with 17+ years experience serving local properties.

• W Warmth Shield Ltd Ballynahinch · Plumbing

  Warmth Shield offers plumbing, heating, renewable, and electrical services, specialising in servicing and maintenance of gas, oil, and electric heatin

• T Tms N.I. Ltd Newtownabbey · Heating & ventilation

  TMS N.I. LTD offers expert installation, servicing, and repair for gas, air conditioning, and commercial refrigeration. With 20+ years of experience,

• M Marron Heating Ltd Craigavon · Heating & ventilation

  Marron Heating Ltd offers expert heating and plumbing solutions in Newry and surrounding areas. Gas Safe registered engineers with 15 years of experie

• E Eco Heat NI Carrickfergus · Heating & ventilation

  EcoHeat NI provides expert heating services including boiler replacements, servicing, repairs, power flushing, and renewable energy solutions.

• S Sure Safe Boilers Ltd Craigavon · Heating & ventilation

  Sure Safe Boilers offers competitive and reliable domestic and commercial oil and gas boiler servicing, breakdowns, and installations. Fully Gas Safe

• A An1 Plumbing & Heating Ltd Crumlin · Plumbing

  AN1 Plumbing & Heating offers expert plumbing and heating services in Belfast. Reliable repairs, installations, and maintenance with top-notch custome

• B Belfast Gas Ltd Belfast · Heating & ventilation

  Belfast Gas is a family-run company specialising in the installation, repair, and servicing of gas and oil boilers in Belfast and Northern Ireland. Th

• J JOHN FULTON (PLUMBERS) LIMITED Glasgow · Plumbing · 50-249 employees

  John Fulton Plumbers Ltd is a domestic and commercial plumbing and roofing company operating throughout Scotland, established in 1973. Specialists in

• A A C Whyte & Co Ltd Glasgow · Refurbishment · 50-249 employees

  AC Whyte has delivered building refurbishment, retrofit, and energy efficiency solutions across Scotland for over 50 years. Trusted by councils and ho

• M Mulholland Contracts Ltd Groundworks · 250+ employees

  Building Scotland for over 50 years Established in 1974, Mulholland Contracts Ltd offers a wide range of civil engineering and groundworks services, s

• R Robert Sandilands & Sons Ltd Kinross · Plumbing

  Robert Sandilands & Sons Ltd offers trusted, high-quality plumbing, heating, and electrical services for homes and businesses across Kinross and surro

• M Morland & Martin Falkirk · Plumbing

  Morland & Martin provides reliable gas and oil boiler installation, servicing and repairs across Falkirk, Bo'ness, Stirling and Linlithgow. Trusted lo

• H HeatFactors Edinburgh · Heating & ventilation

  Heatfactors offers expert heating, ventilation, and plumbing solutions in Edinburgh and the Lothians, specializing in boiler upgrades, servicing, land

• A A.M. Reid Plumbing & Heating LTD Broxburn · Plumbing

  A.M. Reid Plumbing & Heating LTD are a Dunfermline based company specialising in plumbing and heating services, including boiler repairs, new bathroom

• J John Heaney (Electrical) Ltd Livingston · Electrical · 50-249 employees

  John Heaney (Electrical) Limited provides nationwide industrial and commercial mechanical and electrical installation, maintenance, and facilities man

• P P. Blackhall Ltd. Edinburgh · Plumbing · 10-49 employees

  Established in 1913, P Blackhall Ltd is a fifth-generation family-run company offering expert plumbing, heating, electrical, and renewable services in

• T Thermaheat Ltd Kelso · Plumbing

  Thermaheat Ltd, based in Kelso, Scotland, specialises in plumbing, heating installations, and boiler replacements. They are suppliers of leading brand

• L Lothian Gas Dryden Glen · Heating & ventilation · 10-49 employees

  Lothian Gas, based near Edinburgh, offers expert gas boiler service, repairs, and landlord records for domestic and commercial clients. With over 20 y

• S Saltire Facilities Management Ltd Bellshill · Heating & ventilation · 250+ employees

  Saltire Facilities Management is a leading UK property services provider, specialising in Renewables, Gas Services, and Electrical Works for social ho

• G G. Woods Bathrooms Ltd Paisley · Bathroom fitting · 10-49 employees

  G Woods Ltd. is a leading bathroom and kitchen designer in Paisley, Renfrewshire, established in 1965. Gas Safe and SNIPEF registered.

• A AB Carpenters Ltd Glasgow · Carpentry & joinery

  AB Carpenters Ltd offers professional joinery, plumbing, heating, and property maintenance services in Glasgow. With over 15 years of experience, we d

• A A L Plumbing & Heating Kilmarnock · Plumbing · 1-9 employees

  Plumbing and Heating Experts in Kilmarnock, servicing Ayrshire and Glasgow. A L Plumbing & Heating offers rapid response, guaranteed work, and competi

• T Thermal Comfort Ltd Perth · Heating & ventilation

  Thermal Comfort Ltd provides installation, service, and repair of domestic heating systems for natural gas, oil, and LPG appliances in Perthshire and

• A Alba Gas Glasgow · Heating & ventilation · 10-49 employees

  Experienced trade-registered gas and electrical engineers offering quality domestic services across Central Scotland. Specialising in heating, plumbin

• R Robb Reinstatement Ltd Edinburgh · Refurbishment · 10-49 employees

  Robb Reinstatement Ltd: Specialists in insurance claim reinstatement works for fire, flood, storm & water damage across Scotland. Minimise stress with