Construction companies in Wales

1711 construction companies across Wales.

• G Gas Services Wales Swansea · Heating & ventilation

  Gas Services Wales offers cost-effective, reliable heating and plumbing services for domestic customers. Specialising in boiler installation, servicin

• G Gate Systems Ltd Cardiff · Fencing

  Gate Systems Ltd is a South Wales based automation and security company specialising in automatic gates, barriers, access control, CCTV, and more. We

• G Gb Painting & Decorating Ltd Pontypool · Painting & decorating · 1-9 employees

  GB Painting & Decorating Limited offers high-quality painting and decorating services for domestic, commercial, and industrial projects, with CSCS app

• G Gcre Ltd Neath Port Talbot · Rail infrastructure · 10-49 employees

  The Global Centre of Rail Excellence (GCRE) is a world-class facility for rail innovation, testing, and certification, aiming to pioneer a net-zero ra

• G Gear Group UK Ltd Blackwood · Property developer

  GEAR GROUP UK LTD is currently undergoing site maintenance. Please check back soon for updates. Thank you for your patience.

• G Gentles Construction Ltd Cardiff · Main contractor

  Gentles Construction Ltd, established in 2009, offers building services including new builds, extensions, garage conversions, conservatories, and driv

• G Geoshape Surveys Ltd Crickhowell · Civil engineering

  Expert land surveyors with 25+ years experience. Advanced technology with accurate and reliable land surveys for every project. Contact us today.

• G GetZero Newport · Solar PV

  GetZero designs and installs commercial solar, battery storage, EV charging and wind systems across the UK. We are the commercial solar company for bu

• G Gg Construction Ltd Porthcawl · Main contractor · 1-9 employees

  GG Construction LTD offers high-quality construction services, focusing on excellence, integrity, and sustainability. We pride ourselves on exceeding

• G Ggt. Thomas & Son Ltd Haverfordwest · Heating & ventilation · 10-49 employees

  GGT Thomas & Son Ltd offers commercial, industrial, and domestic central heating and plumbing services across West Wales, specialising in installation

• G Gi Construction Solutions Ltd Cardiff · Fire protection · 1-9 employees

  Delivering trusted construction, fire stopping and drywall solutions across the UK. Built on safety, compliance and precision for every project.

• G Giles Davies Developments Ltd Newport · Civil engineering

  Giles Davies Developments Ltd is a civil engineering company based in Newport, registered at Companies House in 2017.

• G Giles Davies Ltd Newport · Main contractor · 10-49 employees

  Giles Davies is a multi-disciplined construction company committed to building beautiful, functional, and inspirational environments. They offer a wid

• G Glamorgan Services Ltd Neath · Roofing · 10-49 employees

  Glamorgan Services offers industry-leading roofing, ceiling, and flooring solutions in the Swansea and Port Talbot areas, with 45 years of experience.

• G GLASS MASTER U.K LTD Pontyclun · Glazing

  Glass Master UK offers top-rated glass unit replacement services for misted, cracked, or smashed glass, and energy-efficient upgrades.

• G Glasshorizon Designs Ltd Swansea · Glazing

  Choose GlassHorizon Designs Limited for your glass balustrade installation needs for unmatched quality, expertise, and innovation.

• G Glazetech Ltd Rhyl · Glazing

  Glazetech specialize in architectural glass solutions, providing design, manufacture and installation of our products.

• G Glenhurst Construction Cilgerran · Groundworks · 1-9 employees

  Glenhurst Construction offers quality building services and plant/digger hire across South West Wales, with expertise in solar farm construction.

• G Glentec Ltd Pontypridd · Windows & doors

  Glentec - Motorised Blinds and Curtains in South Wales, Bristol, Bath and the Cotswolds. Blinds for integration with Home Automation like Lutron, Rako

• G Global Insulation Logistics Ltd Newport · Insulation · 1-9 employees

  Global Insulation Logistics Ltd specialises in the construction of insulated structures including cold stores, food production facilities, fire-rated

• G Global Plastering Ferndale · Insulation

  PAS 2030 accredited insulation and rendering experts in South Wales and South West England. Reducing energy bills with EWI, IWI, and professional plas

• G Global Play Solutions Ltd Wrexham · Design & build

  UK company providing custom commercial soft play equipment installation, commissioning, and staff training services internationally.

• G Glowtech Heating & Plumbing Ltd Cardiff · Heating & ventilation

  Local heating, plumbing & renewables specialists in South Wales, specialising in Boiler Repair & Installation. Reliable, trustworthy, and affordable s

• G Glyn Jones Building Contractors Ltd Amlwch · Main contractor · 10-49 employees

  Glyn Jones Building Contractors Ltd is a construction company based in Amlwch, Anglesey.

• G Glyn O. Evans Llandudno Junction · Plant hire

  Glyn O. Evans is a family-run business established in the early 1960s, specialising in portable accommodation and HIAB wagon hire services across Nort

• G Gmi Electrical Ltd Treharris · Electrical

  GMI Electrical delivers full-service electrical solutions across South Wales, from EICR testing and rewires to solar PV and EV charging.

• G Go Green Renewable Solutions Ltd Abergele · Solar PV · 1-9 employees

  Go Green Renewable Solutions Ltd provides Solar PV, Battery Storage, EV Chargers and Electrical Services across North Wales and the UK. Free quotation

• G Goldeal Ltd Swansea · Fit-out & interiors · 1-9 employees

  GOLDeal is a dynamically growing developer, project contractor, and specialist in the 'Fit-Out' industry. We transform visions into success through pa

• G Golden Floor Restoration Blackwood · Flooring

  Elevate your space with premium floor sanding, repair, and installation across Cardiff, Newport, and South Wales. Experience unmatched quality and bea

• G Gone Solar Porthcawl · Solar PV

  Save up to 90% on energy bills with trusted solar installation services from Gone Solar. Get a free quote and start your journey to energy independenc

• G Goodwin Electrical Ltd Llandudno · Electrical · 1-9 employees

  Award-winning, 5-star rated solar panel installers in North Wales. MCS, NICEIC. Solar, battery storage, EV chargers & electrical services.

• G Gorilla Grass Ltd Newport · Landscaping

  Gorilla Grass is a leading UK supplier and installer of artificial grass, offering high-quality synthetic turf products for residential, commercial, a

• G Gower Living Swansea · Property developer

  A South Wales based residential property group owning and managing homes across South Wales under the brand Gower Living.

• G Gower Renewables Ltd Swansea · Solar PV

  Gower Renewables is an MCS certified installer of solar PV systems, battery storage, and EV chargers in Swansea and South Wales, serving domestic and

• G Gower Roofing Ltd Swansea · Roofing

  Gower Roofing Ltd provides a personal service for domestic and commercial customers across South Wales with over 30 years of experience.

• G Gower Tarmac Llanelli · Driveways & paving

  We lay driveways, patios, paths & car parks in tarmac & resin, handling everything from the first dig to the final finish. Get your free quote.

• G Grange Industries Group Ltd Caerphilly · Electrical · 10-49 employees

  Grange Industries specialises in EC&I systems for hazardous areas. Contact us for bespoke design, safe installation, & expert inspections.

• G Grc Plumbing And Heating (Cardiff) Ltd Cardiff · Plumbing

  GRC Plumbing & Heating offers expert plumbing, heating, and boiler services for homes and businesses in Radyr and surrounding areas. Specialising in i

• G Green Dragon Heating Neath · Heating & ventilation

  Trusted heating engineers and plumbing services in South Wales. Specialising in boiler installations, servicing, repairs, and full bathroom projects f

• G Green Dragon Plumbing & Heating Llandudno · Plumbing · 1-9 employees

  Green Dragon Plumbing & Heating offers expert plumbing and heating services in Llandudno and surrounding areas. Specialising in maintenance and repair

• G Green Dream Concepts Swansea · Landscaping · 1-9 employees

  Green Dream Concepts specialise in garden design and build, landscape gardening and garden maintenance packages in Swansea, South Wales.

• G Green Knight Caravan Services Mochdre · Heating & ventilation

  Green Knight Caravan Services specialises in eco-friendly antifreeze and water protection systems for caravans and lodges, saving park owners stress,

• G Green Light Rail & Construction Ltd Merthyr Tydfil · Rail infrastructure · 1-9 employees

  Green Light Rail & Construction Ltd, based in Merthyr Tydfil, is your go-to partner for comprehensive construction solutions.

• G Green Modular Construction Solutions Ltd Penarth · Modular & offsite construction

  GMC Solutions is a modular construction company using modern methods for innovative and sustainable building. We offer bespoke, industry-certified pod

• G Green Scaffolding Group Ltd Gaerwen · Scaffolding

  Professional domestic and commercial scaffolding across Anglesey and North Wales. Fully compliant service for homeowners, builders and contractors.

• G Green Scene Group Ltd Wrexham · Heating & ventilation · 1-9 employees

  MCS-certified air source heat pump installation in Wrexham & Surrounding Areas. Over 20 years of experience, 100+ satisfied clients. Get a free quote

• G Green Warmth Ltd Haverfordwest · Heating & ventilation

  Wales' longest-serving MCS accredited installer of renewable heating, heat pumps, solar PV, and battery storage solutions since 2007.

• G Green's Carpentry Swansea · Design & build · 10-49 employees

  Green's is a bespoke, high-end, residential building contractor based in Mumbles, South Wales. From grade listed renovations to entire new build proje

• G Greenhaven Builders Ltd Cardiff · Plastering

  GREENHAVEN BUILDERS LIMITED is a construction company based in Cardiff.

• G Greenlands Energy Tredegar · Heating & ventilation · 10-49 employees

  Greenlands Energy: Leading the way in sustainable energy solutions. Discover our innovative approaches to solar, wind, and geothermal energy that powe