Construction companies in Wales

1711 construction companies across Wales.

• I Inspire Green Ltd Cardiff · Solar PV

  Cardiff-based MCS-certified installer of commercial solar PV, EV charging, battery storage & LED lighting across Wales & the South West. Free site sur

• I Inspire Windows Cardiff · Windows & doors

  Trusted double glazing installers in Cardiff. uPVC windows, composite doors and bi folding doors supplied and fitted across South Wales.

• I Integrated Fencing Ltd Aberdare · Fencing · 10-49 employees

  Integrated Fencing supply and install all kinds of fencing including mesh, palisade, railings, acoustic fencing, and more all across the UK.

• I Intelle Construction Ltd Pontypridd · Main contractor

  Intelle Construction is a construction company founded by senior professionals, experienced in managing complex projects across new build, refurbishme

• I Intelligent Electrical NW Wrexham · Electrical · 1-9 employees

  Intelligent Electrical NW is your local Electrical, Smart home & security installers with a passion for technology & customer satisfaction

• I Interlec Systems (Newport) Ltd Newport · Electrical

  Interlec Systems are approved electrical installers for Industrial, Commercial & Domestic clients, providing a comprehensive service since 1995. Deliv

• I Intervention Services Ltd Pontyclun · Main contractor · 10-49 employees

  Intervention Services Limited are a well established, medium sized, company in South Wales who are privately owned and work together with major contra

• I Intrado Ltd Pontypridd · Civil engineering · 1-9 employees

  Intrado Limited is a privately owned Civil and Structural Engineering Consultancy providing a full service from feasibility to construction, with a pr

• I Investent Property Maintenance Ltd Cardiff · Property developer

  Investent Ltd is a full-service property agency based in Cardiff, offering expert support in property lettings and management, development, maintenanc

• I Ir Energy Ltd Pant Industrial Estate · Solar PV · 10-49 employees

  Save on bills with solar, heat pumps & EV chargers. IR Energy helps South Wales homes go greener with trusted renewable installations. Grant & finance

• I Isca Renewables Newport · Solar PV · 1-9 employees

  Isca Renewables are South Wales & South West England Solar Installers. Professional, local, in-house solar panel installations with fixed pricing. MCS

• I Ith Construction Ltd Narberth · Civil engineering

  ITH Construction delivers civil engineering and building projects across West Wales, specialising in groundworks, utilities, infrastructure, and bespo

• i iTube Developments Caerphilly · Cladding · 1-9 employees

  iTube Developments offers expert Thermocork render, external wall rendering, plastering, and renovation services. They provide a hassle-free, high-sta

• I IVD HEATING Swansea · Heating & ventilation

  IVD Heating offers expert heating and plumbing services in Port Talbot, including boiler replacements, servicing, and repairs. Gas Safe registered wit

• I Ivor Cook Ltd Newport · Heating & ventilation

  Ivor Cook Ltd offers heating, plumbing, and electrical services, including compliance and renewable technologies. Gas Safe Registered and 18th Edition

• I IWC Pontyclun · Carpentry & joinery · 10-49 employees

  IWC - Ian Williams Carpentry Ltd are one of South Wales leading companies supplying bespoke carpentry services to the commercial building sector and t

• J J & B Plastering Ltd Mid Glamorgan · Plastering

  J & B Plastering Ltd provide high quality interior & exterior rendering and contract plastering services throughout South Wales and The West of Englan

• J J & E Woodworks Ltd Lampeter · Carpentry & joinery · 10-49 employees

  J&E Woodworks Ltd: Bespoke joinery specializing in windows, doors and stairs, plus general building maintenance for larger clients.

• J J B Construction & Carpentry Wales Ltd Cardiff · Carpentry & joinery · 1-9 employees

  J B Construction & Carpentry Wales Limited is a construction and carpentry company based in Cardiff, Wales. They offer a range of services including c

• J J D Marine & Sons Ltd Port Talbot · Marine & water engineering · 10-49 employees

  JD Marine and Sons is a specialist marine contractor providing high-quality marine or land civil engineering services. They work closely with clients

• J J D Surfacing & Construction Ltd Pentre · Road surfacing

  Tarmac Driveways, Paths, Drainage & more. Commercial Tarmacing & Resurfacing Covering Cardiff, Swansea & South-Wales. Call for more information

• J J James Upvc Ltd Neath · Windows & doors

  JJames UPVC Ltd specialises in UPVC windows, doors, conservatories, guttering, and fascias across South Wales, with over 25 years of experience.

• J J Lynch Building Ltd Swansea · Main contractor · 1-9 employees

  J.Lynch Building Ltd specializes in high-quality building services in Swansea and South Wales, including new builds, extensions, renovations, landscap

• J J P Plastering Service Ltd Wrexham · Plastering

  JP Plastering Services Ltd offers over 20 years of experience in interior and exterior plastering and rendering across the North West and UK. Services

• J J R Heating Services Ltd Barry · Heating & ventilation · 1-9 employees

  JR Heating Services Ltd is a family-run, Gas Safe registered business based in Barry, serving homeowners and landlords across South Wales. Specialisin

• J J S Bowsher Ltd Barry · Design & build

  J S Bowsher Ltd offers joinery, shopfitting, and building services across the UK, providing turnkey solutions from concept to completion with an empha

• J J Squared Decorating Services Ltd Bridgend · Painting & decorating

  Experienced decorating company from Bristol and the Southwest, specialising in internal & external, wallpapering, and spraying services.

• J J White Plastering Ltd South Wales Cardiff · Plastering

  For building services in Cardiff, trust our experienced team at J White Plastering Ltd South Wales for expert plastering, rendering and property impro

• J J Wilson Contractors Ltd Wrexham · Utilities · 10-49 employees

  J Wilson Contractors Ltd is a well-established, family-run groundworks contractor based in Wrexham, North Wales, offering a tailored service nationwid

• J J.Campbell Construction Ltd Llandudno · Roofing · 1-9 employees

  J. Campbell Construction Limited, based in Llandudno, North Wales, offer industrial, commercial & domestic building services including industrial roof

• J J.L. Stephens Ltd Powys · Refurbishment

  J L Stephens Ltd, your local builder in Brecon, offers quality building services. Specialists in home extensions, commercial renovations, barn convers

• J J.R. Smart (Builders) Ltd Cardiff · Property developer

  JR Smart is one of South Wales' leading property developers with over 40 years' experience. We create excellent space where companies thrive.

• J J.S Electrics (JSE) Ltd Cwmbran · Electrical

  JS Electrics are a well established electrical contractors in Cwmbran, South Wales providing a broad range of residential and commercial electrical se

• J J&C Roofing & Building Ltd Newport · Roofing

  J&C Roofing & Building Limited offers superior roofing services in Peterborough and surrounding counties, with a focus on quality craftsmanship and cu

• J J&P Building Contractors Ltd Swansea · Refurbishment

  J&P Building Contractors, established in 2023, offers innovative building services in Swansea and surrounding areas, specializing in repairs and renov

• j j2r Demolition Pontypool · Demolition

  J2R Demolition is a specialist demolition and site clearance contractor serving clients across the UK. We offer a comprehensive range of demolition se

• J J2R Demolition Llantarnam Industrial Park · Demolition · 50-249 employees

  J2R Demolition is a leading demolition and groundworks contractor providing a comprehensive range of services across the UK. We specialise in safe, ef

• J Jadd Scaffolding Ltd Penarth · Scaffolding

  Jadd Scaffolding, established in 2020, offers expert scaffolding services across the Vale of Glamorgan and Cardiff, 24/7. With decades of experience,

• J JAG Electrical Solutions LTD. Caldicot · Electrical · 1-9 employees

  Fully Qualified Electricians in South Wales with over 70 years of combined experience. Offering domestic, commercial, and industrial electrical soluti

• J James Brothers Neath · Plumbing

  James Brothers is a small family run company, based in South Wales who specialise in domestic plumbing & property renovation work.

• J James Groundworks And Plant Hire Ltd Ebbw Vale · Groundworks · 1-9 employees

  James Groundworks and Plant Hire Ltd: expert excavation, foundation, drainage, and site preparation services. Focused on quality, reliability, and cli

• J James Henry Flat Roofing Ltd Cardiff · Roofing

  James Henry Flat Roofing is a roofing company in Cardiff, with 18 years' experience delivering dependable solutions in flat roofs. Call us for our ser

• J James White Construction Ltd Nelson · Extensions · 1-9 employees

  James White Construction is a reputable construction and building company based in Cardiff, South Wales, specializing in extensions, renovations, and

• J James Williams Builders Ltd Caldicot · Extensions · 1-9 employees

  James Williams Builders are a construction company based in Newport, South Wales. We offer all aspects of building work. We have gained an excellent r

• J JAPANESE KNOTWEED REMOVAL WALES (NORTH AND SOUTH) LIMITED Y Bala · Site clearance

  Industry specialists in the identification, treatment, control and permanent eradication of Japanese Knotweed throughout Wales. PCA qualified and cert

• J Jason Morgan Arts Ebbw Vale · Painting & decorating

  Learn to draw and paint animals with artist Jason Morgan. Beginner to Advanced, Pastel drawing lessons and oil painting videos and ebooks showing you

• J Jaysim ProBuild Ltd Newport · Refurbishment

  Jaysim ProBuild Ltd is a family-run building and renovation company based in Newport, South Wales, offering professional home transformations with hon

• J Jbf Group Ltd Wrexham · Main contractor · 50-249 employees

  JBF Group Ltd is a company based in Wrexham, UK. The website is currently displaying a robot challenge screen.

• J Jc Irvine Ltd Swansea · Main contractor

  JC Irvine Building Contractors Ltd is a building contractor based in Swansea, South Wales, offering a range of building services for residential and c

• J Jcp Construction & Maintenance Ltd Tredegar · Groundworks · 1-9 employees

  JCP Construction & Maintenance Ltd offers reliable construction services in Tredegar, South Wales. With four decades of experience, we handle complex