Energy construction companies in Wales

207 companies across Wales working in the energy sector.

• Q Quantech Servicing Swansea · Heating & ventilation

  Quantech Servicing provides air source heat pump servicing, repairs and protection plans for domestic, landlord and commercial customers across South

• Q Quantum Renewables Ltd Bridgend · Solar PV

  Quantum Renewables Ltd are solar panel and battery installers servicing South Wales. Book a Free home or online survey to see how much you can save.

• 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 J Electrics Criccieth · Electrical

  Electrical Contractors to the Commercial, Industrial, Agricultural & Retail Sectors. Geek-level problem solving since 2006!

• R R&S Energy Solutions Ltd Pontypridd · Heating & ventilation

  R&S Energy Solutions offers eco-friendly heating, cooling, and energy solutions including heat pumps, solar panels, EV charging, and general plumbing

• R Reen Energy Ltd St. Asaph · Solar PV

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

• R Renewable Future Wales Whitland · Solar PV

  MCS certified renewable energy installer in West Wales. Solar panels, heat pumps, battery storage & EV charging. Up to £9,000 BUS grant for oil/LPG ho

• R RKES (Wales) Ltd Carmarthen · Electrical

  Richard Kavanagh Electrical Services provide a wide range of electrical work to domestic and commercial customers across the Carmarthen area. NICEIC a

• R RLW Electrical Kidwelly · Electrical · 1-9 employees

  Professional electrical services for domestic and commercial clients in South Wales, specializing in solar panels, EV chargers, and comprehensive elec

• R Roscoe Tree Services Ltd Haverfordwest · Plant hire

  Roscoe Tree Services Ltd is a highly skilled arboricultural contractor in Pembrokeshire, West Wales, offering tree surgery, grounds maintenance, fenci

• S S&C Electric Emea Ltd Neath · Utilities · 10-49 employees

  S&C Electric Company is a global provider of equipment and services for electric power systems. Founded in 1911, the Chicago-based company designs and

• S Site Heat Treatment Services Ltd Port Talbot · M&E contracting · 1-9 employees

  Specialists in heat treatment, thermal engineering, and furnace treatments in South Wales and beyond. Established 1982.

• S Sno Energy Solutions Ltd Rhymney · Solar PV

  SNO Energy Solutions Limited offers comprehensive domestic and commercial electrical services, specializing in Solar PV, Battery Storage, and EV Charg

• S Solar Save Renewables Ltd Llandeilo · Solar PV

  MCS-certified installers of solar PV, battery storage, and heat pumps in Carmarthenshire, Wales. Experts in renewable energy solutions.

• S Solarcell (UK) Ltd Narberth · Solar PV

  Solar PV specialists in Pembrokeshire offering consultation, design, supply, and installation of PV systems for domestic, commercial, and agricultural

• S SOLARCENTRIC RENEWABLES LIMITED Port Talbot · Solar PV

  SolarCentric are renewable energy & solar PV specialists covering the UK, Swansea, Cardiff & South Wales, fully accredited renewable energy installati

• S Solartech Installations Ltd Wrexham · Solar PV

  Local renewable energy experts in Cheshire & North Wales. MCS Accredited, NAPIT Approved, and Which? Trusted Traders since 2014. Specialising in solar

• S Solec Electrical Ltd Carmarthen · Electrical

  Solec Electrical Ltd offers expert electrical installations, rewires, and inspection/testing, specializing in solar PV and battery storage for domesti

• 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 STARLIGHT ELECTRICAL SERVICES (SOUTH WALES) LIMITED Caerphilly · Electrical

  Starlight Electrical provides comprehensive electrical services in Caerphilly, South Wales, including maintenance, testing, and installation for resid

• S Stellar Energy Llanelli · Solar PV · 10-49 employees

  Award-winning retrofit and decarbonisation specialists providing high-quality energy solutions including solar panels, battery storage, and heat pumps

• S Sustainable Warmth Ltd Llandudno Junction · Solar PV

  Sustainable Warmth provides energy grants, heating, insulation, renewable energy, and EV charging points to homes in North Wales.

• 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

• S Swift Energy Solutions (Nw) Ltd Ruthin · Plumbing

  Expert renewable energy installers specialising in solar panels, heat pumps, and boilers across the UK. We help homes and businesses go green.

• T Tanzen Energy Ltd Aberteifi · Heating & ventilation

  Tanzen champions energy freedom through innovative heat and solar power solutions. Specialising in efficient, electric heating systems and battery sto

• T TCW Renewables Haverfordwest · Solar PV

  TCW Renewables are renewable energy specialists, offering services related to wind turbines and their data. They provide live data and trend analysis

• T Tear Scaffolding Specialists Ltd Swansea · Scaffolding · 10-49 employees

  TEAR Scaffolding Specialists provide expert solar panel scaffolding services in North Wales and nationwide, offering safe and reliable access solution

• T Tek Electrical and Renewables Ltd Abertillery · Electrical

  Tek Electrical and Renewables Ltd offers electrical services, solar panel installations, EV charging, and testing in South Wales. Serving Cardiff, Swa

• 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 The Electrical Group Newport · Electrical

  The Electrical Group is a trusted team of qualified electricians in Cardiff and South Wales, delivering reliable electrical and renewable energy solut

• T The Full Ev Ltd Blackwood · EV charging

  EV charger installation specialists, solar PV and batteries for greener, smarter homes and buildings.

• T THE SOLAR HOUSE Cardiff · Solar PV

  The Solar House is a trusted name for homeowners looking to switch to solar energy, offering clear, honest, and jargon-free guidance for informed deci

• T Thermal Earth Ammanford · Heating & ventilation

  Expert heat pump installation with 20 years experience. Air source & ground source systems. MCS certified.

• T Thomson Scaffolding Ltd Briton Ferry Neath · Scaffolding

  Thomson Scaffolding Ltd is one of Wales' longest-established independent scaffolding contractors, founded in 1955. We provide safe, reliable, and prof

• T Tollgate Engineering Services Ltd Bridgend · Electrical · 10-49 employees

  Electrical and Mechanical Engineers, Building Services Contractors. Offering comprehensive M&E design, installation, and maintenance across commercial

• T Total Technology Design Partnership Ltd Swansea · M&E contracting · 1-9 employees

  Total Technology Design Partnership Ltd is an engineering design consultancy based in Swansea, South Wales, providing engineering and mechanical desig

• 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 Towy Valley Heating Llanelli · Heating & ventilation

  Towy Valley Heating are leading suppliers and installers of domestic boilers and home insulation in South Wales and Carmarthenshire, funded by the ECO

• 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 UK EV CHARGER Pembroke Dock · EV charging

  UK EV Charger provides high-quality EV charging stations with a range of speeds, offering simple, accessible, and fast charging solutions. Part of The

• U Ulex Energy Swansea · Solar PV

  Swansea-based solar panel and battery storage specialists. MCS-certified installers offering bespoke systems with 10-year workmanship guarantees.

• U Unity Power Ltd Swansea · Electrical

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

• U Unlimited Access Ltd Cardiff · Scaffolding

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

• V V2X Solutions Cardigan · EV charging

  V2X Solutions empowers EV owners to power their homes with bidirectional charging technology (V2H, V2G, V2L). Honest advice from an expert team.

• V VEDMORE ELECTRICAL SOLUTIONS LTD Cardiff · Electrical

  Vedmore Electrical Solutions: Your local Solar, EV Charge Point Installer and Domestic Electrician in Cardiff and South Wales. Reliable, professional,

• W Wall-Lag (Wales) Ltd Clwyd · Solar PV · 50-249 employees

  Wall-Lag (Wales) Ltd is a family-owned business in Mold, North Wales, specialising in renewable energy solutions like Solar PV, Air Source Heat Pumps,

• W Warm Homes Energy Group Conwy · Solar PV

  Warm Homes Energy Group delivers solar panels, battery storage, electrical, insulation, plumbing and heating services across North Wales and the North

• W WARMZILLA LIMITED Cardiff · Heating & ventilation · 10-49 employees

  WarmZilla offers a seamless online platform for purchasing new boilers, heat pumps, and EV chargers, with nationwide installation services. They simpl

• W Waterco Datrys Denbighshire · Civil engineering

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

• W Wave Energy Ltd Swansea · Solar PV

  OpenEI is a global leader in energy data, focusing on renewable energy and energy efficiency. It's a wiki platform for viewing, editing, and downloadi