Construction companies in Wales

1721 construction companies across Wales.

• H Heath Windows and Doors Cardiff · Windows & doors

  Cardiff's Premier Double Glazing Installer. The Best Solution for Windows, Doors, Garden Rooms and Replacement Conservatory Roofs.

• H HEATING AND BOILERS (DYFED) LIMITED Newcastle Emlyn · Heating & ventilation · 10-49 employees

  Gas Safe, OFTEC, MCS & HETAS registered heating engineers in Newcastle Emlyn. Boiler installation, servicing & repair across Ceredigion and Carmarthen

• H Heatshine Ltd Cardigan · Plumbing · 10-49 employees

  Professional, friendly Plumbers and Heating Engineers, specialising in Oil, Gas & Renewable Energy. Speak to one of our engineers for free, friendly a

• H Heatup Floor Ltd Newport · Plumbing · 1-9 employees

  Heatup Floor Ltd is a plumbing company based in Newport, registered at Companies House in 2018.

• H Heatwood Services Ltd Cwmbran · Plumbing

  Reliable Heating Engineer Cwmbran offering expert plumbing, gas, and carpentry services. Local, friendly, and available 24/7 for emergencies.

• H Hedlyn Building Contractors Ltd Pontypool · Main contractor · 10-49 employees

  Hedlyn Building Contractors Ltd is a family-run building contractor in Pontypool, South Wales, established in 1984. With over 40 years of experience,

• H Helix Environmental Ltd Caerphilly · Asbestos removal · 1-9 employees

  Helix Environmental provides safe, fully licensed asbestos removal, surveying, and UKATA accredited training across South Wales and the UK.

• H Helix Plumbing & Gas Swansea · Plumbing · 1-9 employees

  Helix Plumbing & Gas offers expert boiler installation, servicing, and repair in South Wales. Led by Josh Halls, we ensure your home's comfort and saf

• H Hempcrete Cymru Ltd Penrhyndeudraeth · Main contractor

  North Wales based construction company specialising in hempcrete and natural building materials. Offering sustainable, affordable, high-performance bu

• H Henry Jones (Criccieth) Ltd Gwynedd · Main contractor · 10-49 employees

  Building, Civil and Construction Contractors located in the Llyn Peninsula, North Wales. Specialists for nearly 40 years in new builds, public buildin

• H Hergan Construction Ltd Newport · Groundworks · 1-9 employees

  Hergan Construction Ltd delivers specialist construction solutions across England and Wales, with over 70 years of combined industry experience.

• H Hestia Fire Protection Ltd Bangor · Fire protection

  Premier Fire Safety Consultancy offering specialist fire risk assessments and remediation advice for total building compliance and occupant safety.

• H HI Handyman & Property Services Ltd Barry · Carpentry & joinery

  Professional handyman, Home Maintenance & Small Works Specialist services in the Vale of Glamorgan and surrounding areas for all your property needs.

• H Hi-Maintenance Ltd Chepstow · Cladding · 1-9 employees

  Hi-Maintenance are graphic installation and work at height specialists, established in 2010 with over 20 years' experience.

• H Highadmit Projects Talbot Green · M&E contracting · 1-9 employees

  Highadmit Projects undertake large, medium and small contracts throughout the UK offering a complete design service in all aspects of Mechanical and E

• H Highcross Security & Electrical Ltd Pontllanfraith · Security systems · 1-9 employees

  Highcross Security & Electrical Ltd offers expert security system installation, electrical installation, CCTV, and alarm services. With over 30 years

• H Highfield Property Group Ltd Merthyr Tydfil · Property developer · 1-9 employees

  Highfield Property Group is committed to transforming Merthyr Tydfil, creating high-quality residential, commercial, and industrial spaces for residen

• H HIGHLIFE Rope Access Bangor · Restoration & heritage · 1-9 employees

  North Wales based tradesmen specialising in the conservation sector. Offering services to commercial and domestic clients using roped access and scaff

• H Hill Grwp Ltd Swansea · Modular & offsite construction · 10-49 employees

  Hill Grwp Ltd designs, manufactures and installs GRP and steel industrial enclosures, sprinkler pump rooms, substations, TopBox roof entry systems, ba

• H Hitchings Electrical (Cowbridge) Ltd Bridgend · Electrical · 1-9 employees

  Hitchings Electrical provides nationwide electrical services, from minor repairs to shop fitting and full rewires. NIC EIC, Safe Contractor, and CHAS

• H HJ Residential Building Surveyors Blackwood · Damp proofing · 1-9 employees

  Local surveying practice specialising in building inspection services for individuals and agencies. Over 30 years' experience in building and construc

• H Hmbs Group Ltd. Haverfordwest · Main contractor · 10-49 employees

  HMBS Group Ltd is a trusted building contractor in Pembrokeshire with over 24 years of experience. We offer comprehensive services including house ext

• H Home Eco Solutions Ltd Swansea · Solar PV · 1-9 employees

  Specialising in solar panels, battery storage and EV charging to help reduce energy costs and build a more sustainable future for homes and businesses

• H Honeyborough Construction Ltd Haverfordwest · Steel fabrication · 1-9 employees

  Honeyborough Construction Ltd specialises in manufacturing industrial and agricultural steel frame buildings in Pembrokeshire, offering a full constru

• H Hope Kitchens & Interiors Aberaeron · Kitchen fitting

  Bespoke kitchens and interiors designed around how you live. With over 16 years' experience, we bring clarity, precision and a high standard of delive

• H Hopgrove Construction Ltd Abergavenny · Refurbishment · 1-9 employees

  Hopgrove Construction Ltd is a construction company based in Abergavenny, Wales. They specialise in residential, commercial, healthcare, and education

• H Horan Construction South Glamorgan · Civil engineering · 10-49 employees

  Horan Construction Ltd. is a civil engineering and road surfacing company in South East Wales, employing 60 people. They focus on roads, car parks, re

• H Horan Surfacing Ltd South Glamorgan · Main contractor · 1-9 employees

  Horan Surfacing Ltd is a main contractor company based in South Glamorgan, registered at Companies House in 1970.

• H Horbury South West Ltd Caerphilly · Carpentry & joinery · 10-49 employees

  Horbury Southwest Ltd provides quality carpentry and joinery services across Wales and the South West of England, serving private and public sectors.

• H HORGAN TIMBER SYSTEMS LTD Haverfordwest · Carpentry & joinery · 1-9 employees

  Horgan Timber Systems Ltd offers expert timber and composite solutions in Pembrokeshire, specialising in bespoke garden furniture, fencing, decking, p

• H Horizon Windows Ltd Swansea · Windows & doors · 10-49 employees

  Horizon Windows Ltd specialises in high-quality windows, doors, and conservatories, serving South Wales with over 40 years of experience. We offer A-r

• H Hub Scaffolding & Rigging Ltd Brecon · Scaffolding · 1-9 employees

  Hub Scaffolding offers customizable scaffolding services in Brecon and surrounding areas. With over 50 years of experience, our qualified professional

• H Hv Energy & Civils Ltd Newport · Civil engineering · 10-49 employees

  HV Energy & Civils Ltd is an established Civil Engineering Contractor operating across the UK, focused on delivering projects sustainably, efficiently

• H HV Energy and Civils Newport · Civil engineering

  HV Energy are an established Civil Engineering Contractor offering services throughout the UK. They focus on delivering projects sustainably, efficien

• H HV Solutions Blackwood · Utilities · 10-49 employees

  HV Solutions delivers expert cable installation and maintenance services for DNOs and Tier One Contractors, focusing on dependable, on-time delivery w

• H Hw Electrical Ltd Cardiff · Electrical · 1-9 employees

  HW Electrical Ltd is a company based in Lutterworth. The website is currently unavailable and directs users to contact Search4Local Ltd.

• H Hybrid Heating & Gas Ltd Bridgend · Heating & ventilation · 1-9 employees

  Hybrid Heating & Gas Ltd offers expert plumbing, heating, gas, and oil solutions across South Wales and London. Licensed by Gas Safe and OFTEC, we pro

• H Hydro Cutting Services Ltd Monmouth · Drainage

  Hydro Cutting Services Ltd offers expert no-dig drainage maintenance and renovation services, including CCTV surveys, high-pressure water jetting, and

• H HyHAUL Mobility Cardiff · Civil engineering · 1-9 employees

  HyHAUL Mobility is pioneering the UK's first dedicated hydrogen mobility corridor, focusing on decarbonising heavy-duty road transport with FCEV truck

• I I Fix Reinforcements Ltd Mountain Ash · Steel fabrication · 10-49 employees

  iFix Reinforcements Ltd is an industry-leading steel fixing contractor established in 2008. They employ highly skilled steel fixing teams capable of c

• I I.G. Carpentry Ltd Ferndale · Carpentry & joinery · 1-9 employees

  IG Carpentry Ltd, based in Pontypridd, South Wales, provides bespoke carpentry and joinery services across Wales and England. They offer full supply a

• I I.S.T.L. Engineering Ltd Bedwas · M&E contracting · 10-49 employees

  Established in 1995, ISTL is a full-service mechanical and electrical design and build contractor based in Cardiff.

• I Ib Contractors Ltd Cardiff · Design & build

  IB Contractors Ltd is a leading and reputable contracting company based in Cardiff, Wales. We offer a wide range of services including Design & Build,

• I IBEX TECHNICAL ACCESS LTD Raglan, Usk · Scaffolding

  IBEX Technical Access is an industrial rope access company based in South Wales, operating nationwide. IRATA qualified technicians carry out a wide va

• i iBuild Wales Carmarthen · Kitchen fitting · 10-49 employees

  Bespoke interiors, kitchens, bedrooms, and bathrooms in Carmarthenshire, Pembrokeshire & West Wales. Expert design, supply, and installation.

• I Impact Fire Protection Ltd Ammanford · Fire protection

  Impact Fire Protection Ltd specialises in compliant fire door solutions, offering installation, repair, and maintenance services for various propertie

• I Imperium Systems (UK) Ltd Tredegar · Electrical · 1-9 employees

  Bespoke industrial electrical and software solutions across the UK. Certified Mitsubishi System Specialist with over 40 years combined experience.

• I Indigo Group Penarth · Main contractor

  Indigo Group provides outsourced payroll, CIS compliance, and workforce engagement solutions for multisector businesses, ensuring legal compliance and

• I Industrial Climbers Ltd Newport · Roofing · 1-9 employees

  Industrial Climbers specialise in Rope Access Techniques for Work at Height, Difficult, Limited or Confined Spaces. Offering safe, cost-effective acce

• I Infinity Home Abergele · Refurbishment · 1-9 employees

  Infinity Home Renovations delivers expert craftsmanship and personalised solutions across North Wales, Wrexham, and Chester. Let us turn your house in