Design & build contractors in Wales

189 design & build contractors across Wales.

• L Loft South Wales Ltd Newport · Loft conversions

  Loft South Wales offers bespoke loft conversions with over 30 years of experience, from initial design to final completion, including planning and bui

• L Lydney Containers Chepstow · Design & build · 1-9 employees

  Lydney Containers offer bespoke design and fabrication of new build units, including anti-vandal storage, offices, canteens, toilets, and sleeping acc

• M Maclennan Construction Ltd Bangor · Main contractor · 1-9 employees

  MacLennan Construction Limited, founded in 2003 in Bangor, Gwynedd, offers a full range of construction and renovation services for domestic and comme

• M Madley Construction Management Cardiff · Design & build · 1-9 employees

  Established in 1993, Madley Construction offers a range of quality construction, project management and architectural services.

• M MAINTY Group Newport · Refurbishment · 10-49 employees

  MAINTY Group is your one-stop shop for property, refurbishment, development, planned and reactive maintenance, and facilities management. Operating as

• M Manning Construction Ltd Bridgend · Main contractor · 10-49 employees

  Manning Construction Limited is a leader in providing value-added construction services, creating successful partnerships through exceptional performa

• M MARVAL DEVELOPMENTS LTD Swansea · Design & build · 1-9 employees

  Marval Developments is a building and property development company offering bespoke carpentry, design, and construction services for residential and c

• M Metiq Ltd Swansea · Fit-out & interiors

  Metiq delivers exceptional commercial interior fit-outs for retail, healthcare, hospitality, sports, workspace, and car showrooms. Innovative design,

• M Mgc West Wales Ltd Aberaeron · House builder · 1-9 employees

  MGC West Wales Limited offers new builds, extensions, renovations, loft conversions, roofing, solar installations and steel structures across West Wal

• M Micem UK Ltd Cardiff · Design & build

  Micem is a leading healthcare construction company with a presence in the UK, UAE, Oman, and India, specializing in turnkey medical engineering and ho

• M Mk Enterprises (UK) Ltd Llanrwst · Timber frame · 1-9 employees

  MK Enterprises offers timber engineering, bridges, boardwalks, anti-slip products, environmental contracting & Playgrass, artificial dry ski slope sur

• M Modu-Lite Build Ltd Neath · Modular & offsite construction

  UK specialists in modular retail and drive-thru construction. 14-week build programmes, 98% on-time delivery. Trusted by leading brands nationwide.

• M MODU-LITE DATA LIMITED Neath · Modular & offsite construction

  Modu-Lite designs and delivers high-performance, energy-efficient data centre solutions using prefabricated, modular infrastructure for enhanced resil

• M Morganstone (Holdings) Ltd Swansea · Main contractor · 50-249 employees

  Morganstone specialises in high quality construction solutions, within the public, private, housing association sectors, within Wales.

• M MRJ Properties Ltd Cowbridge · Property developer · 1-9 employees

  MRJ Properties Ltd is an award-winning family-run business with over 15 years of experience in property development and project management, specialisi

• M Msh Building Ltd Cwmbran · Refurbishment

  Family-run business serving since 2001, specializing in high-quality projects and maintenance for Registered Social Landlords, Local Authorities, and

• M Mvr Solutions Ltd Newport · Design & build

  MVR Solutions provides multidiscipline contracting, scaffolding, and solar & battery power solutions for domestic and commercial clients across South

• N Newton Barnes Joinery & Construction Ltd Swansea · Design & build · 1-9 employees

  Newton Barnes offers tailored home improvement solutions, bringing craftsmanship and excellence to every project. Specializing in bespoke renovations,

• N Newydd Maintenance Limited Cardiff · Refurbishment

  Newydd Maintenance Limited is an in-house contractor providing responsive and planned works to Newydd Housing Association, part of the Cadarn Housing

• N Nuvolt Ltd Cardiff · Solar PV

  Nuvolt designs, funds, builds and operates integrated energy systems, solar, battery, EV and grid, under one accountable partner.

• O Oakridge Extensions Ltd Cardiff · Extensions · 1-9 employees

  Oakridge Extensions Ltd specialises in building spaces that create memories, offering bespoke services from initial proposal to completion. They are c

• O One Cat Farm Lampeter · Design & build

  Luxury, off-grid cabin stays in a secluded woodland nature reserve in West Wales. Enjoy sustainable accommodation with modern comforts and outdoor adv

• O Opulent Outdoor Living Ltd Wrexham · Design & build

  Discover luxury and comfort with Opulent Outdoor Living. Elevate your outdoor lifestyle with quality and style.

• O ORANGE LLAMA Cardiff · Design & build · 1-9 employees

  Orange Llama offers design and construction innovation in South Wales, specializing in smart technology integration for dream builds and renovations.

• O Owen & Palmer Ltd Bangor · Electrical

  Leading industrial electrical contractor servicing North & Mid Wales, managing installations, construction and facilities for complete solutions and a

• P Parc Emlyn Developments Llanelli · House builder

  Parc Emlyn Developments Limited is a construction and development company based in Wales, offering a range of services from design and build to refurb

• P Parker Environmental Services Ltd Pontypool · Heating & ventilation · 10-49 employees

  Parker Environmental Services Ltd: Design, fabrication & installation of HVAC, structural steelwork & specialist fabrications for industrial & commerc

• P Pbs Construction & Design Ltd Pembroke · Design & build · 1-9 employees

  PBS Construction & Design is a multi-skilled Pembrokeshire building company offering design and construction services for new homes, extensions, loft

• P Peninsula Home Improvements Anglesey · Windows & doors

  Peninsula Home Improvements is a family business founded in 1984, offering design, supply, and installation of windows, doors, conservatories, and oth

• P Penstar Process And Technical Services Ltd Cardigan · Design & build

  Penstar Process and Technical Services Ltd, established 1992, specialises in pumping, water/effluent treatment, and process safety systems. Offers des

• P PM Architectural Services Llandrindod Wells · Extensions · 1-9 employees

  Expert architectural consultants in Llandrindod Wells, Wales. We provide professional home extension planning, drawings, and project support to bring

• P Powell Cardiff · Design & build

  Powell is a progressive interior design, fit out and refurbishment company that specialise in creating inspiring and sustainable working environments.

• P Pro Steel Engineering Ltd Pontypool · Steel fabrication

  Pro Steel Engineering is a trusted steel-specialist firm offering safe and professional construction, fabrication, and project management services acr

• P Proable Group Ltd Swansea · Main contractor

  Pro Able Group Ltd offers top-quality residential and commercial building and maintenance services in Swansea and South Wales, ensuring complete custo

• P Profile Build Ltd Chirk · Shopfitting

  Profile Build are shopfitting & commercial fit out contractors offering architectural design and bespoke joinery services.

• 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

• 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 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&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&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 Rdm Design & Build Ltd Pontypridd · Design & build · 1-9 employees

  RDM Design & Build Ltd: Complete architectural design and project management services in South Wales. Contact us today!

• R Read Construction Holdings Ltd Brymbo · Main contractor · 50-249 employees

  Read Construction is a multi award-winning construction company with a client focused appetite for sustainable development.

• R Reinvigorate Global Ltd Pontypool · Design & build

  Reinvigorate Global offers comprehensive design, build, and delivery services for retail, leisure, and commercial clients across the UK. Specialising

• R Relm Group Ltd Bangor · Design & build · 10-49 employees

  RELM Group has experienced builders offering quality design and build services in Colwyn Bay. Contact us on 01492 554500.

• R Renovate South Wales Ltd Caerphilly · Refurbishment

  Expert builders with over 40 years of experience in roofing, repairs, building and home renovations in South Wales. Contact us for quality service and

• R Retro Bridge Ltd Chepstow · Modular & offsite construction · 1-9 employees

  Retro Bridge Group supplies highly efficient temporary or permanent bridges and floating structures for hire, sale or sale & buy-back across Europe an

• R Rhomco Consulting Ltd Cardiff · Main contractor · 10-49 employees

  Rhomco is a leading construction consultancy providing project management, building surveying, cost consultancy, and principal designer services acros

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

  Rise Construction Cardiff Ltd are trusted local building contractors in Cardiff, committed to delivering high-quality building services. Formed in 202

• R Roundhouse Builders Ltd Pontypridd · Extensions

  Roundhouse Builders Ltd are your local builders in Cardiff, specialising in renovations and extensions. With over 39 years of experience, we offer a c

• S Sable & Cedar Blackwood · Design & build

  Sable & Cedar Ltd is a South Wales-based company specialising in bespoke garden rooms, outdoor offices, and oak-framed structures, offering a complete