Construction companies in Wales

1721 construction companies across Wales.

• A Adrian Gibbs Roofing Pontypool · Roofing · 1-9 employees

  Expert roofing services in South Wales since 1986. Adrian Gibbs Roofing specialises in flat roofing, felt, fibreglass, and single ply systems for resi

• A Adrian Llewellyn Groundworks Ltd Clynderwen · Groundworks

  Adrian Llewellyn Groundworks Ltd is a family-owned business in Pembrokeshire offering extensive groundwork and drainage services. With over 40 years o

• A Advanced Carpentry Solutions Pontypridd · Carpentry & joinery · 10-49 employees

  Advanced Carpentry Solutions (ACS) offers tailored carpentry, fire protection, cladding, and interior fit-out services for residential and commercial

• A Advanced Wall Coatings Ltd Newport · Damp proofing · 1-9 employees

  Advanced Wall Coatings Ltd are specialists in transforming homes with over 35 years of experience in the coatings industry. We solve issues like penet

• A AE & AT Lewis Holyhead · Civil engineering · 10-49 employees

  AE & AT Lewis Ltd, established in 1990, offers septic tank services, groundworks, plant hire, highway and ground maintenance, and drainage solutions a

• A Aer Cymru Cyf Penrhyndeudraeth · Electrical · 10-49 employees

  Aer Cymru Cyf - One stop shop for all your Electrical, Plumbing & Mechanical Needs. Offering quality Electrical, Plumbing, Mechanical, Air Conditionin

• A Affect Ability Swansea · Bathroom fitting · 1-9 employees

  Affect Ability provides accessible bathroom solutions for individuals with mobility issues, making life easier. With nearly 10 years of experience, th

• A Affordable Quality Windows Neath · Windows & doors · 1-9 employees

  Affordable Quality Windows (AQW) supplies and installs energy-efficient windows, UPVC and composite doors, conservatories, sunrooms, and roofline prod

• A Afon Lime Ltd Swansea · Restoration & heritage · 1-9 employees

  Afon Lime Limited specialises in the conservation and restoration of pre-1920 Welsh historic and listed buildings, offering expert internal lime plast

• A Aga Heritage Conservation Ltd Cardiff · Restoration & heritage

  AGA Heritage Conservation is a UK specialist in building conservation, heritage restoration, and historic property repair, combining traditional skill

• A AGVerandas Ltd Rumney · Extensions · 1-9 employees

  AGVerandas Ltd designs, supplies and installs modern aluminium and glass verandas in Cardiff and South Wales.

• A Air Cladding Ltd Pontypool · Roofing · 1-9 employees

  Air Cladding Ltd has over 30 years of experience in industrial roofing and cladding, offering a complete service with a wide range of solutions. They

• A Aj Building Contractors Anglesey Ltd Bangor · Refurbishment

  AJ Building Contractors Anglesey Ltd is a family-run construction company in Llanerchymedd, North Wales, specialising in refurbishments, extensions, a

• A Aj Commissioning Ltd Porth · Electrical

  AJ Commissioning provides high and low voltage electrical commissioning services across the UK, ensuring safe and reliable operation of electrical sys

• A Ajc Electrical Solutions Ltd Caerphilly · Electrical · 1-9 employees

  AJC Electrical Solutions are a small, fully accredited electrical contractor supporting commercial, industrial and domestic customers across South Wal

• A Ajd Carmichael Ltd. Carmarthen · Electrical · 1-9 employees

  AJD CARMICHAEL LTD. | ELECTRICAL SERVICES - Installation, testing & certification, troubleshooting and maintenance.

• A Ajm Home Enhancements Ltd Llangennech · Refurbishment

  AJM Home Improvements offers expert building and carpentry services in Llanelli, specialising in home transformations including renovations, kitchens,

• A Ajy Construction Ltd Newport · Main contractor · 1-9 employees

  AJY Construction Ltd provides a wide range of building services in South Wales & beyond since 2023, focusing on high quality workmanship for residenti

• A Aks Systems Llandrindod Wells · Security systems · 1-9 employees

  AKS Systems is a trusted and professional security system service provider in Wales and surrounding areas, offering CCTV, intruder alarms, fire detect

• A Alan Roberts & Sons Builders Ltd Corwen · Main contractor · 1-9 employees

  Alan Roberts & Sons Builders Ltd offers a comprehensive range of building services including new builds, renovations, extensions, stonework, alteratio

• A Albert Williams Ltd Ammanford · Heating & ventilation · 1-9 employees

  Albert Williams Ltd offers a range of plumbing and heating services across South Wales, including boiler installations, repairs, servicing, and renewa

• A Aldustria Newport · Solar PV

  Aldustria is an end-to-end developer and operator of grid-scale battery energy storage sites across the UK.

• A Alexander Constructors Ltd Penarth · House builder · 1-9 employees

  Alexander Constructors Ltd is a family-owned business specialising in residential building and construction, including new houses, apartments, extensi

• A Alexis Joinery Ltd Cardiff · Carpentry & joinery

  Alexis Joinery Ltd is a carpentry & joinery company based in Cardiff, registered at Companies House in 2023.

• A Algar Groundworks Ltd Swansea · Groundworks

  Algar Groundworks offers groundwork and building services in Swansea. With over 13 years established and 20 years of team experience, they cater to do

• A Alien Scaffold Ltd Wrexham · Scaffolding · 1-9 employees

  Alien Scaffold Ltd offers reliable scaffolding solutions in Wallasey and across the North West. Specializing in safe and efficient scaffolding for res

• A All Install Ltd Newport · Plumbing · 1-9 employees

  All Install Ltd offers comprehensive boiler, bathroom & kitchen installation & maintenance services in South Wales & South West. Trusted for plumbing,

• A All Secure Doors Ltd. Merthyr Tydfil · Security systems

  All Secure Doors Ltd specialises in the design, manufacture and installation of certified steel door systems for utilities, industrial, commercial and

• A All Star Contractors Ltd Newport · Roofing

  All Star Contractors Ltd is a family-run business offering high-quality roofing, building, renovation, and maintenance services to commercial and resi

• A All Trades Plant Hire Ltd Llanelli · Main contractor · 1-9 employees

  All Trades Plant Hire Ltd is a main contractor company based in Llanelli, registered at Companies House in 2024.

• A Allen & Sage Cardiff · Roofing · 1-9 employees

  Allen & Sage are exemplary partners in hotel renovation, offering expertise in roofing, building, and plumbing. They deliver high-quality workmanship

• A Allora Design & Build Ltd Cardiff · Design & build · 1-9 employees

  Allora Design & Build Ltd offers a range of construction, glazing, and kitchen fitting services. Contact us for appointments.

• A Alpha (Wrexham) Windows Ltd Wrexham · Windows & doors · 1-9 employees

  Alpha (Wrexham) Windows Ltd is a leading supplier of high-quality windows, doors, and conservatories in Wrexham, North Wales. Established in 1993, the

• A Alpha Building Group Ystradgynlais · Main contractor · 10-49 employees

  Alpha Building Group provides professional construction, structural works, roofing, maintenance and project management services across South Wales.

• A Alpha Energy Group Ltd Llanelli · Insulation · 1-9 employees

  CT ECO LTD installs free heating and insulation upgrades through ECO4, GBIS, and LA Flex grants, helping households save energy and reduce carbon emis

• A Alpha Renewables Usk · Solar PV · 1-9 employees

  Alpha Renewables specialises in the sale and installation of renewable energy products, including solar panels, battery storage, and EV charging point

• A ALPHA ROOFING & BUILDING LTD Swansea · Roofing · 1-9 employees

  Alpha Roofing & Building Ltd offers professional roofing and building services across Swansea and surrounding areas. Specialising in all aspects of ro

• A Altum Organisation Ltd Cardiff · Solar PV · 10-49 employees

  Expert solar PV installation, battery storage & EV chargers across UK. Premium energy upgrades for homes with 500+ installations, £150k-£250k annual s

• A Alva Electrical Ltd Boncath · Electrical

  Fully qualified, insured and registered electrician based in Pembrokeshire, West Wales. Services include - Home Re-wires, Consumer Unit Replacement, E

• A Alyn Homes Ltd Prestatyn · House builder

  Alyn Homes is an independent Home Builder in North Wales, building a variety of brand new homes to suit modern day life and family living.

• A Am Brickwork Contractors Ltd Llanellen · Bricklaying · 1-9 employees

  AM Brickwork Contractors Ltd is a specialist masonry contractor delivering projects across South Wales and South West England. Founded in 2015, we are

• A AMB (Wales) Roofing Swansea · Roofing · 1-9 employees

  Anvil Roofing Limited specialises in flat and pitched roofing systems, including single ply, tiling, slating, and felt roofing. They also offer solar

• A Amberwell Engineering Services Ltd Bridgend · Electrical · 10-49 employees

  Amberwell Engineering Services Ltd provides electrical and mechanical engineering services including design, installation, testing, and maintenance ac

• A Amd Construction South Wales Ltd Neath · Extensions · 1-9 employees

  A M D Construction South Wales Ltd are trusted, experienced builders based in Neath, specialising in extensions, conversions, and renovations. Contact

• A Ammcom Ltd Morriston Swansea · Electrical · 1-9 employees

  Network Cabling, Infrastructure and Electrical Installers. Ammcom's objective is to be relevant within today's moving markets, advanced technology and

• A Ammro Consulting Ltd Newport · Civil engineering · 1-9 employees

  AMMRO Consulting Ltd's attention to service and detail has made us an industry leader. With 30 years experience in the industry.

• A Amp Construction & Groundworks Ltd Gwalchmai · Main contractor · 1-9 employees

  A family-run construction and groundworks company from Anglesey with over 40 years' experience in general construction and civil engineering across No

• A Ams Heating & Plumbing Ltd Blackwood · Heating & ventilation · 10-49 employees

  AMS Heating and Plumbing Ltd, based in Blackwood, South Wales, offers comprehensive commercial and residential heating and plumbing services. Establis

• A Amser Projects Ltd Cardiff · Fit-out & interiors

  Amser Projects Ltd is a fit-out & interiors company based in Cardiff, registered at Companies House in 2022.

• A Anchor Testing Specialists Ltd Cardiff · Piling · 1-9 employees

  Anchor Testing Specialists Ltd provides comprehensive pull-out and shear tests for all anchors, substrates, and arrangements across various industries