Commercial construction companies in Wales

1183 companies across Wales working in the commercial sector.

• H Ha Plumbing Services Ltd Newport · Plumbing

  Quality Plumbing at Honest Prices. We fix leaks, clogs, and install appliances for homes and businesses, covering Newport to Bristol.

• H Hale Heating and Renewables Swansea · Heating & ventilation · 1-9 employees

  Hale Heating and Renewables offers expert plumbing, heating, and solar PV solutions for domestic and commercial clients across the UK.

• H Hallgrave Structural Engineering Swansea · Extensions · 1-9 employees

  Hallgrave Structural Engineering offers expert structural engineering and project management consultancy services for residential and commercial renov

• H Haniels Electrical Ltd Swansea · Electrical

  Haniels Electrical provides reliable domestic & commercial electrical services across South Wales. Contact us for expert solutions today!

• H Harad Electrical Ltd Carmarthen · Electrical

  NICEIC registered electricians in Carmarthenshire. LED lighting, full rewires, fault finding, EICRs & exterior power. Serving domestic, commercial and

• H Hartland Passive Fire Protection Cardiff · Fire protection · 10-49 employees

  Hartland Passive Fire Protection offers PFP services, including surveys, risk assessments, inspections, and training. They also provide complementary

• H Hartz Electrix LTD Swansea · Electrical

  Premium local electricians & OZEV-approved EV charger installers with 20+ years experience. NAPIT approved. Free quotes.

• H Hatcher'S Electrical Ltd Cardiff · Electrical

  Hatcher's Electrical Ltd offers expert domestic and commercial electrical services, specialising in EV charge point and Solar PV/battery storage insta

• H Havenkey Ltd Narberth · Electrical · 10-49 employees

  National Electrical Contractors providing Design, Installation and Maintenance of all Industrial & Commercial Electrical work.

• H Hawkesford Construction Ltd Blackwood · Groundworks

  Hawkesford Construction Ltd offers a full range of building services in South Wales, from groundworks to roofing, new builds to extensions, and home i

• H Hayes Plastering & Rendering Ltd Prestatyn · Plastering

  Hayes Plastering & Rendering: Trusted specialists in high-quality plastering and rendering services across North Wales, Chester, and Wrexham. Reliable

• H Hd Carpentry Contractors Ltd Tonypandy · Carpentry & joinery

  Commercial carpentry and fire safety services in Tonypandy and throughout South Wales. Get in touch to find out more.

• H Heat Pumps Scotland Cardiff · Heating & ventilation · 1-9 employees

  Heat Pumps Scotland provides information and connects users with professional installers for air, ground, and water source heat pump systems, promotin

• H Heat Pumps South Wales LTD Llanelli · Heating & ventilation

  Heat Pumps South Wales LTD offers expert heat pump installation, repair, and maintenance services in Cardiff and surrounding areas. Specialising in en

• H HeaterUp Swansea · Heating & ventilation

  Swansea Heating & Gas Specialists - Boiler Upgrades, Central Heating Systems and All Plumbing Services in South Wales. Slash bills with cost-efficient

• H Heath Roofing Service Cardiff · Roofing

  Heath Roofing Service offers emergency, non-urgent repairs, and new roofs in Cardiff and South Wales. They also provide drone surveys for enhanced ins

• 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

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

• 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

  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

  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

  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 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

  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

  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

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

• H Hitchings Electrical (Cowbridge) Ltd Cowbridge · Electrical

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

• 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

  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 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 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

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

• H Hub Scaffolding & Rigging Ltd Brecon · Scaffolding

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

• 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 Hybrid Heating & Gas Ltd Bridgend · Heating & ventilation

  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

• I I Fix Reinforcements Ltd Mountain Ash · Steel fabrication

  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 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

  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

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