Commercial construction companies in Wales

1181 companies across Wales working in the commercial sector.

• J John Glen Swansea · Windows & doors · 1-9 employees

  Local, trusted garage door, awning and pergola suppliers based in Llanelli and serving South Wales. We supply and install a wide range of garage doors

• J John Weaver Swansea · Main contractor · 50-249 employees

  John Weaver Contractors combines traditional craftsmanship with modern construction techniques for projects up to £20m. Offering flexible services fro

• J Jones & Maher Ltd Carmarthen · Main contractor

  Jones and Maher is a family-run building and construction company based in Carmarthen, serving South West Wales. With over 25 years of experience, the

• J Jones And Whitehead Ltd Bangor · Electrical · 10-49 employees

  Jones & Whitehead Ltd is an Electrical Contracting firm founded in 1963. We provide design, installation, and maintenance of electrical services for d

• J Jones Electrics Ltd Wrexham · Electrical · 1-9 employees

  Jones Electrics Ltd provides domestic, commercial, and industrial electrical services in Wrexham, North Wales, and Northwest England. They are an NICE

• J Jordan Civils (Wales) Ltd Pontyclun · Civil engineering

  Jordan Civils Ltd offers Civil engineering, hard landscaping, highway maintenance, utility works and ground works to commercial and domestic customers

• J Journey Electrical Ltd Swansea · Electrical

  Journey Electrical Ltd offers reliable electrical services across South Wales, Bristol, and the North West, including domestic, commercial, and indust

• J JP Decorators Swansea · Painting & decorating

  JP Decorators are based in Swansea, South Wales and offer the best decorating and painting services across the M4 from Carmarthen to Bridgend.

• J Jps Services (South) Ltd Cardiff · Shopfitting · 1-9 employees

  JPS Services, established in 2011, delivers expert shop fitting across the UK and Europe, prioritising quality, safety, and client satisfaction.

• J Jra Building Services Ltd Denbigh · Main contractor · 1-9 employees

  JRA Building Services Ltd is a family-run business established in 2000, offering a wide range of building and property development services in Denbigh

• J Jrs Mechanical Services Ltd Abergele · M&E contracting · 50-249 employees

  JRS Mechanical designs, installs and maintains mechanical, electrical, and facilities systems across healthcare, education, and commercial sectors. Tr

• J JS Electrical and Security Services Wrexham · Electrical

  For over 10 years, JS Electrical and Security Services has provided trusted electrical services to residential, commercial, and industrial sectors in

• J Jsb Civil Solutions Ltd Newport · Civil engineering · 1-9 employees

  JSB Civil Solutions is a specialist contractor delivering expert formwork, reinforced concrete, repair, and remediation solutions across the UK.

• J Jsh Plumbing & Heating Ltd Barry · Plumbing · 1-9 employees

  Plumbers and Heating Engineers in Barry, JSH Plumbing & Heating Ltd offers expert plumbing and heating solutions with over 30 years of experience. Gas

• J Julian Mousley & Sons Ltd Carmarthen · Drainage · 1-9 employees

  Julian Mousley and Sons Ltd offers sports field drainage, heavy haulage, Civil Engineering, Agricultural Contracting, Screener hire & a recycling cent

• J Just Lime Llanelli · Restoration & heritage · 1-9 employees

  Just Lime specialises in historic building restoration, lime plastering, and conservation-based construction services across Wales. Request consultati

• J Just Scaffolding (S. Wales) Ltd Cardiff · Scaffolding · 1-9 employees

  Local family-run scaffolding rental company in Cardiff and The Vale of Glamorgan. Offering safe and efficient scaffolding for domestic and commercial

• J Jv Ventilation Ltd Newport · Heating & ventilation · 1-9 employees

  JV Ventilation Ltd specialises in Mechanical Ventilation with Heat Recovery (MVHR) systems, offering design, supply, installation, and commissioning s

• K K C Scaffolding (Wales) Ltd Ammanford · Scaffolding · 1-9 employees

  K C Scaffolding Wales Ltd in Glanamman provide professional scaffolding erectors for domestic and commercial work across South Wales. Reliable and eff

• K K S Barry (Plumbing & Heating) Ltd South Glamorgan · Plumbing · 10-49 employees

  Providing mechanical and associated services solutions on commercial construction projects with exceptional quality, attention to detail and site safe

• K K&C Group (Nw) Ltd St Asaph · Main contractor · 10-49 employees

  K&C Construction is a leading construction and building contractor in North Wales and North West, established in 1990. We undertake a wide range of re

• K Kabin Hire Ltd Caerphilly · Modular & offsite construction · 10-49 employees

  Kabin Hire provides quality welfare accommodation and storage solutions across the UK, with a modern fleet of over 3000 units. Family-run business wit

• K Kartay Holdings Ltd Swansea · Property developer · 1-9 employees

  Kartay is a development, investment and asset management company created to acquire, invest and manage properties throughout South Wales.

• K Kartre Ltd Ruthin · Main contractor · 1-9 employees

  Specialising in Construction and Project Management, based in Ruthin. Building Contractors Kartre cover North Wales and the North West of England.

• K Keiya Ltd Swansea · Suspended ceilings · 1-9 employees

  Keiya Ltd offers complete storage solutions, specializing in buying/selling used storage systems, parts, mezzanine floors, suspended ceilings, and off

• K Kellaway Commercial Ltd Sully · Fire protection · 10-49 employees

  Kellaway Commercial Limited provides fire stopping solutions, fire door installation and maintenance, and construction services across various sectors

• K Kelray Limited Merthyr Tydfil · Refurbishment · 10-49 employees

  Kelray Ltd deliver expert construction and civils in South Wales, with services in maintenance, flooring, fire doors, and hygiene.

• K Kevco Construction UK Ltd Rhyl · Main contractor · 1-9 employees

  Kevco Construction UK Ltd is a professional building company in North Wales, specialising in high-quality property improvements and maintenance for do

• K Kg Carpentry And Building Ltd Swansea · Carpentry & joinery · 1-9 employees

  KG Carpentry & Building Ltd is a Swansea-based team of builders offering professional services within a 50-mile radius. Specialising in renovation and

• K KHS Group Ltd St. Asaph · M&E contracting · 10-49 employees

  KHS Group provides mechanical, electrical, and renewable building services, including air conditioning and commercial refrigeration, for commercial, i

• K KILOWATT RENEWABLES LIMITED Newport · Solar PV · 1-9 employees

  Kilowatt Renewables offers MCS Certified Solar PV, Battery Storage, and EV Charger installations for homes and businesses. They focus on a direct, no-

• K Kimberley Gulf Ltd Bangor · Damp proofing · 1-9 employees

  Kimberley Gulf Limited offers building surveys, damp treatment, dry rot, wet rot, woodworm treatment, and tanking/waterproofing services across North

• K Kjb Roofing Specialists Ltd. Rhyl · Roofing · 1-9 employees

  KJB Roofing is a trusted local roofing company providing professional roofing services across Denbighshire, Conwy and Flintshire. Specialists in new r

• K Klasse Group Ltd Swansea · Insulation · 1-9 employees

  Klasse Group is a supplier of external sheathing boards, insulation, and membrane products, focused on driving change in the building industry for sup

• K Knights Construction Group Wrexham · Civil engineering · 10-49 employees

  Knights Construction Group is a multi-discipline contractor working nationwide, providing construction solutions for projects of all sizes across the

• K Korbuild Ltd Pontypridd · Main contractor · 10-49 employees

  Korbuild Ltd is a well-established, nationwide building contractor. Our success has been built on reliability, flexibility & professionalism.

• K Krols Brothers Ltd Swansea · Refurbishment · 1-9 employees

  Krols Brothers Ltd is a family-run construction and renovation company offering services across Wales and the South West of England. Specializing in r

• L L A Emery Building Services Ltd Cardiff · Main contractor · 1-9 employees

  LA Emery Building Services Ltd is a 4th generation company with 50 years of combined experience, offering high-quality building and improvement servic

• L L J Symonds Roofing Ltd Newport · Roofing · 1-9 employees

  LJ Symonds Roofing offers high-quality roofing, UPVC installation, and gutter cleaning/repair services in Newport & Cardiff. Established 2008.

• L L M Flooring (Northern) Ltd Cardiff · Concrete works · 1-9 employees

  L M Flooring (Northern) Ltd offers a complete concrete flooring service, including industrial flooring, steel fixing, shuttering, and laser screed. Co

• L L.E.L. Properties Nr Cowbridge · Insulation

  Vale Business Park offers offices, workshops, and storage units for long or short-term lease in the Vale of Glamorgan, with good links to the A48 and

• L Lakeside Flood Solutions Ltd Swansea · Drainage · 10-49 employees

  Flood defence barriers & systems. Lakeside Flood Solutions specialise in domestic, commercial & industrial flood protection & prevention.

• L Lamps Glow Ltd Neath · Electrical · 1-9 employees

  NAPIT-approved electricians in South Wales. Expert EV charger & campervan electrics, house rewiring, EICR certificates, emergency electrician.

• L Laver Group Ltd Pontypridd · Heating & ventilation · 50-249 employees

  Est. Since 1981 Specialising in heating, electrical and renewable energy. We help domestic, public, and private sector clients meet their obligations

• L LAW Construction Rhyl · Main contractor · 10-49 employees

  LAW Construction delivers commercial building, maintenance and public sector services across North Wales and the North West.

• L Lb Bricklaying Ltd Blackwood · Bricklaying · 1-9 employees

  LB Bricklaying Ltd offers expert bricklaying and masonry services across South Wales and the South West of England, specializing in large-scale reside

• L Lca Multi Trade Ltd Rhyl · Refurbishment · 1-9 employees

  LCA MULTI TRADE LTD is a fully insured, multi-trade service provider in Rhyl and North Wales, offering high-quality results in repairs, maintenance, i

• L Lce Resin Specialists Ltd Ammanford · Driveways & paving · 1-9 employees

  LCE Resin Specialists Ltd offers expert resin surfacing for driveways, patios, and paths, alongside comprehensive groundworks, landscaping, and fencin

• L LDH Scaffolding Ltd Prestatyn · Scaffolding

  LDH Scaffolding Ltd offers competitive scaffolding services in North Wales, with a 100% safety record. We cater to domestic, commercial, and industria

• L Lee Summers Roofing Ltd Anglesey · Roofing

  Lee Summers Roofing Ltd is a fully insured and qualified roofing company in Anglesey, serving North Wales and the UK. Offering new roofs, repairs, fla