Commercial construction companies in Wales

1183 companies across Wales working in the commercial sector.

• D Davies Security Ltd Swansea · Security systems

  Davies Security is a leading security systems company in Swansea, South Wales, offering expert installation and maintenance for burglar alarms, CCTV,

• D Dci Fire Protection Ltd Newport · Fire protection

  DCI Fire Protection Ltd offers design, supply, installation, commissioning, servicing, and maintenance of residential sprinkler systems and dry risers

• D Dd Lining Services Ltd Prestatyn · Drainage · 1-9 employees

  DD Lining Services is a leading provider of professional lining services for storm water attenuation, Sustainable Urban Drainage Systems (S.U.D.S), an

• D Dd Mechanical Ltd Burry Port · Heating & ventilation

  DD Mechanical Ltd offers customer-focused, efficient, and high-quality mechanical installation and maintenance services across South West Wales, with

• D Dec-Elec Aberdare · Electrical

  Experienced electrical contractors in South Wales providing domestic, commercial, and maintenance services. Specialising in solar PV and EV charging s

• D Dec-Renewables Ltd Aberdare · Solar PV

  Specialists in solar, EV chargers, and heat pumps. Trusted renewable energy installers helping UK homes and businesses go green. Get a fixed quote tod

• D Decorative Drives And Patios Ltd Mountain Ash · Driveways & paving

  Upgrade your patio or driveway with our stunning and durable resin bound surfaces. Based in South Wales - get a no obligation quote today

• D Dee Electrical Ltd Wrecsam · Electrical

  Fast, reliable and fully compliant portable appliance testing across Wrexham, Shropshire & Cheshire. Fully Qualified • Insured • Reliable Service.

• D Dee Plant Ltd Rhondda Cynon Taff · Plant hire · 10-49 employees

  Pontypridd construction company offering plant hire, drainage, site clearance, and tarmacing. Established since 1988 with over 30 years of experience.

• D Delta Building Solutions Mountain Ash · Refurbishment

  Delta Building Solutions provides washroom and office upgrade/refurbishment services across Wales, the Southwest, and the UK. We manage projects from

• D DENVER DRILLING SERVICES Cardiff · Concrete works

  Denver Drilling Services offers concrete cutting, borehole drilling, demolition, and geotechnical services across the UK. Industry accredited.

• D Derw Glass Ltd Boncath · Glazing · 10-49 employees

  Derw Glass Ltd is a family-run business established in 1991, specialising in glass processing, splashbacks, and double-glazed units. They serve West W

• D Derwen Group Neath · Groundworks · 10-49 employees

  Derwen Group, based in Neath Abbey, offers recycling, waste management, and aggregates services. They provide high-quality recycled aggregates and muc

• D Devine Joinery Ltd Wrexham · Carpentry & joinery · 1-9 employees

  Devine Joinery Limited is a family-run business established in 2004, renowned for quality bespoke joinery and oak frame structures in Chester and Nort

• D Diack Ltd Ebbw Vale · Electrical · 10-49 employees

  Diack Ltd offers comprehensive electrical, security, and automation solutions for residential, commercial, and industrial clients, ensuring safety, ef

• D Dial Carpentry Ltd Swansea · Carpentry & joinery · 1-9 employees

  Dial Carpentry and Plumbing offers carpentry, kitchen design & fitting, renovations, and extensions for homeowners and landlords in Swansea and the Go

• D DINEFWR ELECTRICAL & SOLAR LTD Ammanford · Electrical

  Fully accredited electricians providing high-quality electrical work, solar PV, battery storage, and EV charging, delivered professionally, safely, an

• D Diverse Access LTD Wrexham · Scaffolding

  Diverse Access Ltd offers specialist Rope Access services, providing safe and efficient solutions for working at height across various industries. Cer

• D Dj Williams Electrical Ltd Pwllheli · Electrical

  Electrical Contractors and MCS accredited Solar PV installers based in Abersoch, Gwynedd, North Wales. DJ Williams Electrical Ltd.

• D Djh Steel Fixing Ltd Newport · Concrete works · 1-9 employees

  DJH Steel Fixing is a family-run company based in South Wales with over 15 years of experience in the reinforced concrete industry.

• D Dk Scaffolding Wales Ltd Gwynedd · Scaffolding

  D K Scaffolding is a family-run business established in 1995, providing CITB and CISRS registered scaffolding services across North and Mid Wales. The

• D Dmd Roofing And Building Ltd Swansea · Roofing

  Roofing & building specialists in Swansea & South Wales. Drone roof surveys, repairs, new roofs, uPVC & building work. Fully insured, free quotes.

• D Dmt Structural Engineering Ltd Newport · Extensions

  Experienced structural engineers providing tailored packages for renovations, refurbishments, and new builds. Specialising in structural openings, lof

• D Doherty Contract Services Ltd Neath · Design & build · 10-49 employees

  DCS is a family-run building contractor, specialising in the Dental, Care, Commercial and Residential sectors.

• D Domelec Llay, Wrexham · Solar PV

  Trusted family-run solar installers in Wrexham, Chester & North Wales. Professional solar panel & battery storage installation. No hard sell.

• D Dower Roofing Ltd Swansea · Roofing

  We provide roofing services to private and commercial customers around Swansea and South Wales.

• D Downie Drywall Systems Ltd Monmouth · Drylining · 1-9 employees

  Downie Drywall Systems Limited is an established Drylining company working for various main contractors throughout the South Wales region. We pride ou

• D Dragon Insulations Ltd Blackwood · Insulation

  Dragon Insulations Limited offers comprehensive insulation solutions, including defective insulation removal, debris clearing, air brick installation,

• D Dragon Renewable Energy Ltd Corwen · Solar PV

  Expert advice & installation of renewable heating and energy solutions in North Wales, including ground/air source heat pumps and solar panels.

• D Dragon Shutters And Shades Ltd Llandysul · Windows & doors

  Dragon Shutters and Shades offers custom-made plantation shutters, blinds, and verandas. Proud supporters of the Welsh Air Ambulance.

• D Dragonsway Wales Ltd Clynderwen · Main contractor

  Dragonsway Wales Ltd is a construction company based in Pembrokeshire, offering a range of building services.

• D DRAIGMOR LTD Swansea. · Security systems

  Draigmor Ltd provides professional design, supply, installation, and maintenance services for Warden Call, Nurse Call, Door Entry, and Access Control

• D Draintech Surveys Ltd Bridgend · Drainage · 10-49 employees

  Draintech is a family-run provider of Utility Wastewater and Drainage solutions, offering a one-stop shop for all drainage needs. With 25 years of exp

• D Driveways North Wales Ltd Rhyl · Driveways & paving

  Driveways Northwales Ltd, Expert driveway and paving specialists in North Wales. We design and install high-quality driveways, patios, and paving solu

• D Drp Joinery Ltd Wrexham · Carpentry & joinery

  DRP Joinery is a North West-based company specialising in first, second, and final fix joinery, architectural ironmongery, and bespoke joinery solutio

• D Du Construction Ltd Bangor · Main contractor · 10-49 employees

  The largest construction and building company on Anglesey. We work closely with Horizon Nuclear Power, Anglesey and Gwynedd County Councils, and NHS t

• D Dulyn Construction Ltd Conwy · Groundworks

  Dulyn Construction Ltd offers quality groundwork, construction, and civils solutions across North Wales and Cheshire. Fully qualified and insured.

• D Duraseal Ltd Aberdare · Roofing · 10-49 employees

  Duraseal Ltd provides professional roofing services across South Wales, including Cardiff, Swansea, Newport and Bridgend. Get a free roofing quote tod

• D Dw Contractors Ltd Abergele · Landscaping

  DW Contractors is a trusted local groundwork and landscaping contractor in North Wales, offering driveway and garden transformations including block p

• D Dyfed Alarms Ltd Carmarthen · Security systems · 10-49 employees

  Established in 1977, Dyfed Alarms is a leading supplier and installer of security, fire detection, CCTV, and access control systems across Wales.

• D Dyfi Renovations Ltd Aberdyfi · Main contractor

  Award winning Building Contractors based in Tywyn and Aberdovey on the West Wales Coast. We offer a wide range of building services.

• D Dylan Evans Adeiladwr Cyf Llanrwst · Main contractor · 10-49 employees

  Professional builders in Llanrwst, established over 20 years ago. Specialising in extensions, new builds, renovations, and general building work. We c

• E E.G. Lewis Group Neath · Steel fabrication · 10-49 employees

  The E.G. Lewis Group, based in South Wales, offers a full range of industrial services, including mechanical engineering, structural steel fabrication

• E Eap Solutions Ltd Cardiff · Security systems

  Established in 2006, EAP Solutions specialises in the design, installation and maintenance of security, fire, and electrical systems across South Wale

• E Ebm Contractors Ltd Llanrwst · Main contractor

  Professional building and groundworks contractors based in North Wales, delivering quality construction services in Snowdonia National Park and surrou

• E Eco Care Solutions Ltd Swansea · Solar PV

  Eco Care Solutions: Renewable energy specialists in South Wales. We design, supply and install solar PV, heat pumps, and battery storage. Get a free q

• E Eco Classrooms and Nurseries Porthmadog · Modular & offsite construction · 1-9 employees

  Bespoke eco modular classrooms and nurseries across the UK, from £1,950/m². Planning to handover, handled for you.

• E Eco Connect Network Neath · Insulation · 1-9 employees

  Eco Connect Network offers fully-funded ECO 4 grants for central heating, insulation, and solar PV. With over 10 years of experience in EPC energy ass

• E Eddaball Scaffolding Ltd Port Talbot · Scaffolding

  Eddaball Scaffolding provides safe, reliable and cost-effective scaffolding solutions across South Wales and beyond. With over 27 years of experience,

• E Edizi Plumbing & Heating Ltd Cardiff · Plumbing

  Trusted plumbing and heating services in South Wales, delivering fast repairs and professional installations for homes and businesses at fair prices.