Construction companies in Wales

1721 construction companies across Wales.

• P Project Solutions Pencoed · Main contractor

  Project Solutions offer full construction services as your principal contractor across various sectors, transforming visions into reality from concept

• P Project Tile & Bathrooms (Pyle) Ltd Porthcawl · Tiling · 1-9 employees

  Bathroom and tile showroom in Pyle offering a wide range of modern, traditional, and affordable designs. Browse high-quality bathroom suites, wall and

• P Promec Engineering Ltd Chepstow · M&E contracting · 50-249 employees

  Promec Engineering Limited are mechanical and civil engineers that predominantly work within the oil, gas, water & power generation industries.

• P Prometheus Electrical & Solar Llanelli · Solar PV

  Trusted solar panel installers in Swansea offering solar PV, battery storage and EV charger solutions for homes and businesses.

• P Proos Roofing Merchants Ltd Pentre · Roofing

  Local, family-run roofing experts in South Wales with over 40 years of experience. We supply high-quality roofing materials and offer expert advice to

• P Propaint (UK) Ltd Rhyl · Painting & decorating · 10-49 employees

  ProPaint are painting and decorating contractors in Rhyl, Denbighshire, North Wales providing quality services for a large portfolio of clients.

• P PropertyIndex Cardiff · Property developer · 1-9 employees

  PropertyIndex is a Cardiff‑based developer creating modern luxury homes, hotels, co‑living and workspaces.

• P ProSolar Electrical Port Talbot · Solar PV · 1-9 employees

  ProSolar Electrical are a Worcestershire based renewable specialist providing services like Solar Panels, EV Charging Points, Battery Storage & more.

• P Protech Rail & Civil Engineering Ltd Abercynon · Rail infrastructure · 10-49 employees

  Protech Infrastructure is a reliable partner in rail and infrastructure projects, specializing in safety, efficiency, and cost-effectiveness. They off

• P Protectahome Building Solutions Ltd Newport · Concrete works

  Protectahome Building Solutions Ltd is a concrete works company based in Newport, registered at Companies House in 2011.

• P Protectahome Ltd Newport · Waterproofing

  Protectahome provide specialist Waterproofing, Structural Repairs, Building Preservation and Pest Control for buildings with over 45 years' experience

• P Protectorcomms Group Ltd Caerphilly · Electrical · 1-9 employees

  Protectorcomms Group Ltd is a electrical company based in Caerphilly, registered at Companies House in 2017.

• P Protectorcomms Ltd Caerphilly · Fire protection · 10-49 employees

  Established in 2006, Protectorcomms are experts in fire alarms, CCTV systems, intruder alarms and gates and barriers.

• P Protem Lighting Ltd Cardiff · Electrical · 1-9 employees

  Protem Lighting provides expert electrical services for homes and businesses, bringing film industry standards to all projects. Specialising in lighti

• P Psc Building Ltd Llanelli · Refurbishment · 1-9 employees

  PSC Building LTD offers professional building services in Llanelli and surrounding areas. With over 19 years of experience, we specialise in home impr

• P Pure Homes (Rhuthun) Ltd St Asaph · Main contractor

  Pure Homes (Rhuthun) Ltd is a main contractor company based in St Asaph, registered at Companies House in 2021.

• P Pure Homes (Ruabon) Ltd St Asaph · House builder

  Pure Homes is a property developer and house builder creating high-specification residential developments across North Wales and the North West of Eng

• P Pure Homes Nw Ltd St. Asaph · Main contractor

  Pure Homes Nw Ltd is a main contractor company based in St. Asaph, registered at Companies House in 2018.

• P Pure Residential & Commercial (Bodelwyddan) Ltd St. Asaph · Main contractor

  Pure Residential & Commercial (Bodelwyddan) Ltd is a main contractor company based in St. Asaph, registered at Companies House in 2020.

• P Pure Residential & Commercial (Chester) Ltd St. Asaph · Main contractor

  Pure Residential & Commercial (Chester) Ltd is a main contractor company based in St. Asaph, registered at Companies House in 2019.

• P Pure Residential & Commercial (Llanfair) Ltd St. Asaph · Main contractor

  PURE RESIDENTIAL & COMMERCIAL (LLANFAIR) LIMITED is a UK-based company.

• P Pure Residential & Commercial Ltd St Asaph · Property developer · 50-249 employees

  PURE RESIDENTIAL & COMMERCIAL LIMITED is a company based in St Asaph, Denbighshire.

• Q Qdl Contractors Ltd Merthyr Tydfil · Refurbishment · 50-249 employees

  QDL Contractors provide building, maintenance & decorating services to a wide range of commercial & private clients across South Wales & the rest of t

• Q Quantas Construction Ltd Llanelli · Refurbishment · 1-9 employees

  Reliable, high-quality building services across Carmarthenshire, South & Mid Wales. Specialists in barn conversions, carpentry, extensions & renovatio

• Q Quantech Servicing Swansea · Heating & ventilation

  Quantech Servicing provides air source heat pump servicing, repairs and protection plans for domestic, landlord and commercial customers across South

• Q Quantum Renewables Ltd Bridgend · Solar PV

  Quantum Renewables Ltd are solar panel and battery installers servicing South Wales. Book a Free home or online survey to see how much you can save.

• Q Quantum Traffic Management Limited Newport · Traffic management · 50-249 employees

  Quantum Traffic Management provides comprehensive traffic management services across the UK, ensuring safety and efficiency for roadworks and events.

• Q QUARTZ PLUMBING AND HEATING LTD Cardiff · Plumbing · 1-9 employees

  Quartz Plumbing and Heating offers expert installation, repair, and maintenance for central heating systems, boilers, and plumbing. We also provide ba

• Q Quinshield Ltd Ammanford · Design & build · 50-249 employees

  Quinshield Ltd designs, manufactures, supplies & installs LPCB SR2 & SR3 rated Kiosks, Housing, Enclosures, Buildings & Cabinets using GRP composites.

• R R & E Groundcare Ltd Cardiff · Groundworks · 1-9 employees

  R & E GROUNDCARE LTD is a construction company based in Cardiff, UK. Incorporated in 2024, the company operates within the 'Other construction install

• R R J Electrics Criccieth · Electrical

  Electrical Contractors to the Commercial, Industrial, Agricultural & Retail Sectors. Geek-level problem solving since 2006!

• R R L Rees Ltd Swansea · Plumbing · 1-9 employees

  R L Rees is a Gas Safe registered business focusing on domestic heating, plumbing and gas maintenance and installations in Swansea and Neath.

• R R Lewis & Co (UK) Ltd Cardiff · Fire protection · 50-249 employees

  R Lewis & Co (UK) Ltd is a specialist passive fire protection company with over 25 years of experience, offering a wide range of services including fi

• R R Lyons Electrical Llandudno · Electrical · 1-9 employees

  R Lyons Electrical provides commercial and domestic electrical installations and fault finding across North Wales and the North West. Services include

• R R Moore Building Conservation Ltd Rhyl · Restoration & heritage · 1-9 employees

  R. Moore Building Conservation Ltd is a specialist contractor experienced in working within the historic environment, offering a range of conservation

• R R P Williams-Jones Ltd Bridgend · Stonemasonry · 1-9 employees

  RP Williams-Jones Ltd is a leading UK supplier of natural stone and oak products, offering expert advice and nationwide delivery for construction and

• R R.E. Plant Hire Group Ltd Port Talbot · Concrete works

  R.E. Plant Hire Group Ltd is a concrete works company based in Port Talbot, registered at Companies House in 2025.

• R R.E. Plant Hire Ltd Port Talbot · Plant hire · 10-49 employees

  RE Plant Hire are specialists in HIAB and Telehandler hire across South Wales and the UK. Established in 1974, they offer professional lifting and tra

• R R&M Williams Ltd Neath · Main contractor · 50-249 employees

  R&M Williams Ltd. work with public and private sector clients to deliver a broad range of projects in Construction, Refurbishment, Maintenance and Dec

• R R&R Roofing Services Ltd Tredegar · Roofing · 1-9 employees

  R&R Roofing Services Ltd is a roofing contractor based in Tredegar, Wales.

• R R&S Energy Solutions Ltd Pontypridd · Heating & ventilation · 10-49 employees

  R&S Energy Solutions offers eco-friendly heating, cooling, and energy solutions including heat pumps, solar panels, EV charging, and general plumbing

• R R&W Hughes Roofing/Building Ltd Cardiff · Roofing · 1-9 employees

  Trusted family-run roofers in Cardiff providing roof repairs, new roofs, flat roofing & leadwork across South Wales. With over 45 years of experience.

• R R&Z Construction Ltd Cardiff · Main contractor · 1-9 employees

  Cardiff's trusted builder for residential and commercial construction. Over 20 years of experience delivering quality craftsmanship across South Wales

• R Radnor Oak Presteigne · Timber frame · 1-9 employees

  Premium oak framed buildings, handcrafted in Mid-Wales. Family-run business with over 35 years of experience designing and manufacturing oak framed bu

• R Rag Construction & Groundworks Ltd Llanfairpwllgwyngyll · Main contractor

  Building construction, house extensions, loft conversions, concreting, drainage systems, garden landscaping, internal refurbishment. All services incl

• R Ralphys Roofing Ltd Merthyr Tydfil · Roofing · 1-9 employees

  Ralphy's Roofing Contractors in Merthyr Tydfil Offering a Full and Complete Roofing Service

• R Randall Maintenance Ltd Llanelli · Roofing · 1-9 employees

  Randall Maintenance Ltd offers bespoke planned maintenance programmes for facilities, focusing on preventing future problems and reducing costs. As th

• R Rap Construction Services Ltd Carmarthen · Main contractor · 1-9 employees

  RAP Construction Services Ltd, based in St. Clears, offers flexible construction services across West Wales, working with architects and engineers to

• R Rbs Scaffold Ltd Swansea · Scaffolding · 1-9 employees

  Rise above the rest with our scaffolding! We are a trusted and reliable family-run scaffolding company serving Swansea and the surrounding areas in So

• R Rdj Groundworks Ltd Blackwood · Groundworks · 1-9 employees

  The UKs leading groundworks specialists, all aspects of construction undertaken.