Energy construction companies in Wales

201 companies across Wales working in the energy sector.

• 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

• 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

• 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 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 Krane Engineering Ltd Estate · Steel fabrication

  Krane Engineering Ltd specialises in corrosion-resistant equipment, including rubber lining, GRP, and solid plastic fabrications for various industrie

• 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 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

• L Limitless Energy Ltd Swansea · Solar PV · 10-49 employees

  Limitless Energy is a leading installer of renewable heating and electrical systems in South Wales, specialising in Solar PV, Heat Pumps, and EV Charg

• L Ling Electrical Ltd Milford Haven · Electrical · 1-9 employees

  NICEIC-approved, MCS Certified, and ECA members, Ling Electrical Ltd provides trusted electrical and renewable energy services across Pembrokeshire.

• L Lml Electrical Ltd Pontyclun · Electrical · 1-9 employees

  Trusted electricians in Bridgend and South Wales. Domestic, commercial and emergency electrical services. NICEIC approved. Get a free quote.

• M Madola Energy Tredegar · Solar PV · 1-9 employees

  Madola Energy provides innovative and sustainable solar power solutions for businesses and households, helping them save money and reduce carbon emiss

• 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

• 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 Menai Heating Ltd Llandudno · Solar PV · 1-9 employees

  Menai Renewables are energy specialists delivering expertly engineered renewable systems for homes and businesses. We offer bespoke commercial solar s

• M Mike Voyle Electrical & Solar Ammanford · Electrical · 1-9 employees

  Professional electrical and solar services for homes, businesses and developments across South Wales, rewires, EICRs, EV chargers and solar PV.

• M Millisun Ltd Industrial Es, Pontypridd · Bricklaying · 10-49 employees

  National Brickwork Contractors offering professionalism, excellence and efficiency. Established in 1999, Millisun has completed over 500 contracts acr

• M Mjs Energy Ltd Presteigne · Heating & ventilation · 10-49 employees

  MJS Energy design, supply and install heat pumps and renewable energy systems. Based in Presteigne, they offer national coverage for domestic and comm

• M Mmn Electrical Solutions Ltd Pontypridd · Electrical · 1-9 employees

  MMN Electrical Solutions provides expert domestic & commercial electrical services. Contact us for safe & energy-efficient solutions today!

• M MODU-LITE DATA LIMITED Neath · Modular & offsite construction

  Modu-Lite designs and delivers high-performance, energy-efficient data centre solutions using prefabricated, modular infrastructure for enhanced resil

• M Multi-Heat Services Ltd Pontypridd · Heating & ventilation

  Multi-Heat Services Ltd offer domestic and commercial heating, ventilation, air conditioning and other plumbing and boiler services in Pontypridd and

• M Muzz Jointing Ltd Aberdare · Electrical

  Professional cable jointing services delivered with precision, safety, and reliability across the United Kingdom. Specialising in LV/HV systems.

• M Mvr Solutions Ltd Newport · Design & build · 1-9 employees

  MVR Solutions provides multidiscipline contracting, scaffolding, and solar & battery power solutions for domestic and commercial clients across South

• N Nationwide Retrofit Cardiff · Insulation · 1-9 employees

  Nationwide Retrofit Ltd specialises in reducing carbon footprints through retrofit work in the housing sector, primarily utilising grant funding for i

• 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

• N Novalux Solar Monmouth · Solar PV

  Novalux Solar designs and installs commercial solar PV and battery storage (BESS) for farms, hotels, manufacturers and businesses across the UK. MCS a

• N Nuvolt Ltd Cardiff · Solar PV · 10-49 employees

  Nuvolt designs, funds, builds and operates integrated energy systems, solar, battery, EV and grid, under one accountable partner.

• O Oak Tree Energy Bridgend · Solar PV · 10-49 employees

  Oak Tree Energy is a not-for-profit organisation focused on improving home energy performance. They offer surveys and help secure funding for solar pa

• O Off Grid Heating Ltd Monmouth · Heating & ventilation · 1-9 employees

  OFTEC approved installers of air source, ground source, water source and other off-grid heating solutions in Monmouthshire, Wales, Herefordshire, Glou

• O OmniOrigin Monmouth · Solar PV

  OmniOrigin provides solar, battery storage, and smart energy planning for homes and businesses. Get clear advice and tailored solutions.

• O Owen & Palmer Ltd Bangor · Electrical · 10-49 employees

  Leading industrial electrical contractor servicing North & Mid Wales, managing installations, construction and facilities for complete solutions and a

• P Parker Environmental Services Ltd Pontypool · Heating & ventilation · 10-49 employees

  Parker Environmental Services Ltd: Design, fabrication & installation of HVAC, structural steelwork & specialist fabrications for industrial & commerc

• P Pembrokeshire Solar Ltd Milford Haven · Solar PV

  Pembrokeshire Solar Ltd is a joint venture between A&A Scaffolding and Pembrokeshire Electrician, offering expert solar PV and battery storage install

• P Penstar Process And Technical Services Ltd Cardigan · Design & build · 1-9 employees

  Penstar Process and Technical Services Ltd, established 1992, specialises in pumping, water/effluent treatment, and process safety systems. Offers des

• P PGA Installations Ltd Caerphilly · Roofing

  Roofing, construction and smart solar built on 40+ years of trade experience. Slate, tiled & flat roofs, solar, batteries and EV charging. Based in Ca

• P Platinum Energy Ltd Neath · Electrical · 1-9 employees

  Family-run business providing professional electrical and renewable energy services across Wales and South West England. MCS certified solar installer

• P PLUG Charging Cardiff · EV charging

  Smart EV charging infrastructure for councils, businesses and drivers, from lamp posts to depots, powering sustainable transport across Wales.

• P PM Consultants Monmouthshire · Drainage · 1-9 employees

  PM Consultants (UK) Ltd is an Abergavenny-based surveying company offering land surveying, building surveying, setting out, and sewer inspection surve

• P Ppm Renewables Ltd Cardiff · Solar PV · 1-9 employees

  PPM Renewables provides alternative energy solutions, focusing on solar energy and green technologies to help end-users reduce energy bills and carbon

• P Premier Forecourts And Construction Ltd Swansea · Main contractor · 50-249 employees

  Premier Forecourts and Construction offers specialist construction services for fuel forecourts, EV charging, public sector, and retail/commercial pro

• P Project Power Contracting Ltd Newport · Utilities · 1-9 employees

  Project Power provides temporary power solutions across the UK, including generator hire, battery storage, fuel management and power distribution.

• 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.

• P Prometheus Electrical & Solar Llanelli · Solar PV

  Trusted solar panel installers in Swansea offering solar PV, battery storage and EV charger solutions for homes and businesses.

• P ProSolar Electrical Port Talbot · Solar PV · 1-9 employees

  ProSolar Electrical are a Worcestershire based renewable specialist providing services like Solar Panels, EV Charging Points, Battery Storage & more.

• P Protem Lighting Ltd Cardiff · Electrical · 1-9 employees

  Protem Lighting provides expert electrical services for homes and businesses, bringing film industry standards to all projects. Specialising in lighti

• 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 · 10-49 employees

  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 · 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