Public construction companies in Wales

264 companies across Wales working in the public sector.

• H H.M. Thomas (Loughor) Roofers Ltd Swansea · Roofing

  Experienced roofers in Swansea and South Wales offering a full range of roofing services including repairs, installations, and maintenance for domesti

• H Hammond (Ecs) Ltd Aberdare · Rail infrastructure

  Multi-disciplined company delivering Structure Maintenance and Rail projects across England and Wales. Specialising in rail infrastructure, bridges, v

• H Hedlyn Building Contractors Ltd Pontypool · Main contractor

  Hedlyn Building Contractors Ltd is a family-run building contractor in Pontypool, South Wales, established in 1984. With over 40 years of experience,

• H Helix Environmental Ltd Caerphilly · Asbestos removal

  Helix Environmental provides safe, fully licensed asbestos removal, surveying, and UKATA accredited training across South Wales and the UK.

• H Hempcrete Cymru Ltd Penrhyndeudraeth · Main contractor

  North Wales based construction company specialising in hempcrete and natural building materials. Offering sustainable, affordable, high-performance bu

• H Henry Jones (Criccieth) Ltd Gwynedd · Main contractor · 10-49 employees

  Building, Civil and Construction Contractors located in the Llyn Peninsula, North Wales. Specialists for nearly 40 years in new builds, public buildin

• H Hestia Fire Protection Ltd Bangor · Fire protection

  Premier Fire Safety Consultancy offering specialist fire risk assessments and remediation advice for total building compliance and occupant safety.

• H Hi-Maintenance Ltd Chepstow · Cladding

  Hi-Maintenance are graphic installation and work at height specialists, established in 2010 with over 20 years' experience.

• H Highadmit Projects Talbot Green · M&E contracting · 1-9 employees

  Highadmit Projects undertake large, medium and small contracts throughout the UK offering a complete design service in all aspects of Mechanical and E

• H HIGHLIFE Rope Access Bangor · Restoration & heritage

  North Wales based tradesmen specialising in the conservation sector. Offering services to commercial and domestic clients using roped access and scaff

• H Hmbs Group Ltd. Haverfordwest · Main contractor · 10-49 employees

  HMBS Group Ltd is a trusted building contractor in Pembrokeshire with over 24 years of experience. We offer comprehensive services including house ext

• H Horan Construction South Glamorgan · Civil engineering · 10-49 employees

  Horan Construction Ltd. is a civil engineering and road surfacing company in South East Wales, employing 60 people. They focus on roads, car parks, re

• H Horbury South West Ltd Caerphilly · Carpentry & joinery · 10-49 employees

  Horbury Southwest Ltd provides quality carpentry and joinery services across Wales and the South West of England, serving private and public sectors.

• H Hv Energy & Civils Ltd Newport · Civil engineering

  HV Energy & Civils Ltd is an established Civil Engineering Contractor operating across the UK, focused on delivering projects sustainably, efficiently

• H Hydro Cutting Services Ltd Monmouth · Drainage

  Hydro Cutting Services Ltd offers expert no-dig drainage maintenance and renovation services, including CCTV surveys, high-pressure water jetting, and

• I I.G. Carpentry Ltd Ferndale · Carpentry & joinery · 1-9 employees

  IG Carpentry Ltd, based in Pontypridd, South Wales, provides bespoke carpentry and joinery services across Wales and England. They offer full supply a

• I IBEX TECHNICAL ACCESS LTD Raglan, Usk · Scaffolding

  IBEX Technical Access is an industrial rope access company based in South Wales, operating nationwide. IRATA qualified technicians carry out a wide va

• I Impact Fire Protection Ltd Ammanford · Fire protection

  Impact Fire Protection Ltd specialises in compliant fire door solutions, offering installation, repair, and maintenance services for various propertie

• I Indigo Group Penarth · Main contractor

  Indigo Group provides outsourced payroll, CIS compliance, and workforce engagement solutions for multisector businesses, ensuring legal compliance and

• 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 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 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 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 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 & 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 Jls Electrical Services (Wales) Ltd Llantrisant · Electrical

  Electrical & Solar PV Contractor based In South Wales. We carry out new build electrical installation on various size developments, rewires, EICR, Sol

• J John Kelly Construction Services Ltd Anglesey · Main contractor · 10-49 employees

  John Kelly Construction Services offers a wide range of construction and civil engineering services in North Wales. They have a strong reputation for

• J John Weaver Swansea · Main contractor

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

• 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 Scaffolding (S. Wales) Ltd Cardiff · Scaffolding

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

• 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 Kelray Limited Merthyr Tydfil · Refurbishment

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

• K Kerrigan Reinforcing Ltd Port Talbot · Concrete works

  Kerrigan Reinforcing Ltd specialises in steel reinforcing for concrete, offering steel fixing, formwork, and fabrication of reinforced concrete struct

• K KHS Group Ltd St. Asaph · M&E contracting

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

• K Korbuild Ltd Pontypridd · Main contractor

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

• L L.G. Murphy (Swansea) Ltd Swansea · Demolition

  LG Murphy (Swansea) Ltd is a family-run demolition and plant hire company with over 50 years of experience. They offer a comprehensive range of servic

• 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 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 Level Groundworks Ltd Carmarthen · Landscaping · 1-9 employees

  Level Groundworks Ltd offers landscaping and groundwork services, specializing in public spaces, private yards, and tree planting. They pride themselv

• L Lewis & Logan Crickhowell · Road surfacing · 1-9 employees

  Residential, commercial and local authority tarmac surfacing and contractors, South Wales. Established 1967, over 50 years experience.

• L Lloyd & Gravell Ltd Llanelli · Main contractor · 50-249 employees

  Lloyd & Gravell are one of Wales's leading construction firms and a national award-winning contractor. They construct, refurbish and repair buildings

• L Loft Solutions Nw Ltd Gaerwen · Loft conversions

  Loft Solutions NW Ltd specialises in loft boarding, insulation, ladders, and hatches, covering North Wales, the North West, Staffordshire, South Wales

• L Lt Scaffold Services Ltd Barry · Scaffolding · 10-49 employees

  LT Scaffold provides expert scaffolding services across the UK for commercial, residential, industrial, public sector, and specialist developments.

• M M.D.T. Electrical Ltd Penarth · Electrical

  MDT Electrical Ltd is a professional electrical contractor based in South Wales, offering a wide range of services for domestic, commercial, and indus

• M M.W.T. Civil Engineering Ltd Llysfaen · Civil engineering · 10-49 employees

  MWT Civil Engineering is a family-run business in North Wales, established in 2001. We offer a wide range of civil engineering services, including hig

• M M&E Connect Mountain Ash · M&E contracting

  M&E Connect delivers expert mechanical and electrical design, installation, and maintenance services across the UK. With 30+ years of experience, M an

• M Maentwrog Masonry Ltd Blaenau Ffestiniog · Stonemasonry

  Maentwrog Masonry is a team of dedicated, qualified stonemasons with decades of experience. We work stone directly from the mountain, ensuring consist

• M Menai Heating Ltd Llandudno · Solar PV · 10-49 employees

  Menai Heating Ltd: Renewable energy specialists delivering expertly engineered renewable systems. Commercial solar, heat pumps, and air conditioning.

• M Mid-Glam Decorators Ltd Tonypandy · Painting & decorating

  Trusted since 1979 for high-quality painting, protective coatings, and property restoration in South Wales. Experienced, professional, and SSIP-approv