Civil engineering contractors in Wales working in energy

36 civil engineering contractors across Wales working in the energy sector.

33 of these 36 companies file accounts at Companies House, with a median reported or estimated turnover of £5.7m, and 22 hold at least one accreditation, most often ISO 9001. All 36 are active on the register, and 4 were incorporated in the last three years.

• A Aneurin Thomas Plant (ATP) Hire Ltd Camarthen · Civil engineering · 1-9 employees

  Aneurin Thomas Plant (ATP) Hire Ltd is a civil and engineering contractor specialising in gas, water, electricity, and fibre optic installations using

• A Austwel Ltd Milford Haven · Civil engineering · 50-249 employees

  Austwel Ltd is a civil engineering contractor based in Milford Haven, Pembrokeshire, operating across the UK, specialising in Oil, Gas, and Renewable

• B Biogas Solutions Ltd. Chepstow · Design & build

  Specialist innovators in flexible membrane biogas & syngas storage systems, designing, manufacturing, and installing worldwide.

• C Cambrensis Civil Engineering Ltd Abergavenny · Civil engineering · 10-49 employees

  Cambrensis is a Welsh civil engineering company operating as both Principal Contractor and Subcontractor across Wales, the M4 Corridor and the South W

• C Capital Hydraulic Services Ltd Bridgend · Utilities · 1-9 employees

  Capital Hydraulic Services offers hydraulic hose replacement, repairs, and maintenance in Bridgend and a 50-mile radius. With over 20 years of experie

• C Cardiff Demolition Company Ltd Cardiff · Demolition

  Cardiff Demolition is an NFDC accredited specialist providing demolition, dismantling, site reclamation and remediation services across the UK. They h

• C Ccr Energy Ltd Barry · Demolition · 1-9 employees

  CCR Energy Limited is pioneering a transformative path towards a new low carbon future at Aberthaw, reshaping the Cardiff Capital Region.

• C Celtic Electrical Services Ltd Bridgend · Electrical · 10-49 employees

  Celtic Electrical Services Limited is an experienced electrical contractor specialising in commercial and industrial installations across the UK. They

• C Cwmni Egino Caernarfon · Modular & offsite construction · 1-9 employees

  Cwmni Egino was established by Welsh Government in 2021 to develop socio-economic growth opportunities from new nuclear development in North Wales. It

• D Dave Cottle Civil Engineering Ltd Llay · Civil engineering · 50-249 employees

  Dave Cottle Civil Engineering work in the public and private sectors of the construction industry in North Wales and the North West.

• D David Grinter Associates Ltd Cwmbran · Marine & water engineering · 1-9 employees

  Providing technical consultancy, site surveys, coating condition reports and inspection solutions to the coatings Industry as a whole.

• E Encon Construction Ltd Cardiff · Main contractor · 10-49 employees

  Encon Construction is a leading construction and civil engineering company based in Cardiff, Wales, serving clients across Wales and the South West of

• E Enviroparks (Hirwaun Properties) Ltd Abergavenny · Civil engineering · 50-249 employees

  Enviroparks (Wales) Ltd is a company focused on developing industrial sites, particularly for energy generation. They are involved in projects like th

• F Fre-Energy Ltd Wrexham · Design & build

  Fre-Energy provides bespoke anaerobic digestion (AD) plant design, installation, and management services, focusing on agricultural and energy sectors.

• G G H J Civil Engineering Ltd Pwllheli · Civil engineering · 1-9 employees

  GHJ Civil Engineering is a leading contractor in the North West, delivering exceptional civil engineering services for over 30 years across various in

• G Gcre Ltd Neath Port Talbot · Rail infrastructure · 10-49 employees

  The Global Centre of Rail Excellence (GCRE) is a world-class facility for rail innovation, testing, and certification, aiming to pioneer a net-zero ra

• H Hv Energy & Civils Ltd Newport · Civil engineering · 10-49 employees

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

• H HV Energy and Civils Newport · Civil engineering

  HV Energy are an established Civil Engineering Contractor offering services throughout the UK. They focus on delivering projects sustainably, efficien

• H HV Solutions Blackwood · Utilities · 10-49 employees

  HV Solutions delivers expert cable installation and maintenance services for DNOs and Tier One Contractors, focusing on dependable, on-time delivery w

• H HyHAUL Mobility Cardiff · Civil engineering · 1-9 employees

  HyHAUL Mobility is pioneering the UK's first dedicated hydrogen mobility corridor, focusing on decarbonising heavy-duty road transport with FCEV truck

• J Jones Bros. Ruthin (Civil Engineering) Co. Limited Ruthin · Civil engineering · 250+ employees

  Jones Bros is one of the UK's leading civil engineering companies. We lead the way when it comes to progressive engineering in Wales, North West and t

• L Ledwood Protective Coatings Ltd Pembroke Dock · Design & build · 10-49 employees

  Independent engineering, fabrication, coating and construction company specialising in the global energy production and processing industries. Major p

• 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

• N Newydd Maintenance Limited Cardiff · Refurbishment · 50-249 employees

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

• P Promec Engineering Ltd Chepstow · M&E contracting · 50-249 employees

  Promec Engineering Limited are mechanical and civil engineers that predominantly work within the oil, gas, water & power generation industries.

• R Reen Energy Ltd St. Asaph · Solar PV · 1-9 employees

  REEN Energy is an innovative construction, engineering, and consulting company specialising in solar farms across the UK. Founded in 2019, they offer

• S Solseal Caldicot · Waterproofing · 10-49 employees

  The UK's leading supplier of sealants, adhesives & mortars, with speedy next-day delivery. Shop online from trusted brands like Sika, Everbuild, & Map

• S Sutro Group Ltd Cardiff · Civil engineering · 1-9 employees

  UK specialists in rope access, drone inspection and NDT services. Delivering safe, efficient asset integrity solutions for utilities, energy and indus

• T Thames Valley Construction & Civil Engineering Ltd Newport · Concrete works · 10-49 employees

  Thames Valley Construction & Civil Engineering is a trusted UK reinforced concrete subcontractor with over two decades of experience delivering comple

• T Total Utility Connections Ltd Cardiff · Utilities · 50-249 employees

  Total Utility Connections is a multi-utility connections provider specialising in the design, installation, and delivery of gas, electricity, and wate

• T Trueform Ltd. Tenby · Civil engineering · 1-9 employees

  Trueform Ltd specialises in reinforced concrete structures and civil engineering, offering formwork, groundworks, and plant hire with over 30 years of

• U Unity Power Ltd Swansea · Electrical · 1-9 employees

  Unity Power Ltd is a UK high voltage engineering specialist delivering safe, compliant HV design, installation, testing, commissioning, operations and

• U Unlimited Access Ltd Monmouth · Scaffolding · 1-9 employees

  Unlimited Access LTD are a specialist access company based in Cardiff, South Wales. Rope access and confined space services inc. Rescue Teams and Trai

• W Waterco Datrys Denbighshire · Civil engineering · 50-249 employees

  Waterco Datrys provides specialist engineering services across water, wastewater, drainage and flood risk. Supporting UK water companies, developers a

• W Wellshill Civils & Plant Ltd Port Talbot · Civil engineering

  Wellshill Civils and Plant Ltd is a multi-discipline civil engineering company delivering infrastructure services across the UK, focusing on safety, s

• W Winshall Ltd Pontyclun · Civil engineering · 1-9 employees

  Winshall provides integrated Civil and Electrical Engineering services, streamlining project management for clients in the high-voltage industry. With