Energy construction companies

4493 UK companies working in the energy sector.

• O Ontop Electrical Ltd Nottingham · Electrical · 1-9 employees

  Ontop Electrical provides high-end bespoke electrical solutions for private, commercial and industrial clients across Nottinghamshire, Derbyshire and

• O Opal Access Group Newcastle Upon Tyne · Rail infrastructure · 1-9 employees

  Opal Access Limited delivers facilities management, maintenance, rope access, commercial cleaning, security, workwear, rail and renewables services ac

• O Opal Energy Ltd Oldham · Insulation · 1-9 employees

  Opal Energy provides government-funded energy-efficient home improvements, making homes warmer and greener. Specialising in insulation and heating con

• O Open Ecx Ltd Manchester · Insulation

  Automate invoicing, ordering and statement reconciliation with 100% accuracy. An accredited Peppol Access Point connecting 17,000+ trading parties.

• O Openview Security Solutions Ltd Essex · Electrical · 250+ employees

  Preqin is a leading provider of data, insights, and analytics for the alternative assets industry, empowering professionals to make informed investmen

• O Operation Green Westcliff-On-Sea · Solar PV

  Solar, EV & battery installers in Southend, Essex, Cambridge & beyond. Affordable, trusted and ready to help.

• O OPTAMA LTD Glasgow · Solar PV · 10-49 employees

  Optama Renewables is a leading renewable energy company in Scotland, specialising in sustainable heating and energy solutions like solar PV, heat pump

• O Optility Ltd Cradley Heath · Utilities · 10-49 employees

  Optility Limited delivers comprehensive infrastructure solutions across the UK, specializing in civil engineering, multi-utility projects, and telecom

• O Optimal Energy Solutions Ltd Grays · Solar PV · 1-9 employees

  Optimal Energy Solutions specialises in designing and installing solar PV systems, solar battery storage, air source heat pumps, and EV charging solut

• O OPTIMAL RENEWABLES LIMITED Stirling · Heating & ventilation

  Expert heat pump installers in Central Scotland, specialising in air source and ground source heat pumps for homes and businesses. MCS-certified profe

• O Optimum Electrics Ltd Peterborough · Electrical · 1-9 employees

  Optimum Electrics is a leading UK solar and electrical company based in Peterborough, providing hassle-free solar and electrical services for commerci

• O Options Energy Services Ltd Harlow · Civil engineering · 10-49 employees

  Options Energy Services is an independent civil engineering contractor delivering utility infrastructure, energy, telecoms and traffic management serv

• O Optisol Services Ltd Cheshire · Solar PV · 10-49 employees

  Optisol Services is a leading UK solar farm cleaning company, delivering professional solar panel cleaning services for commercial solar farms across

• O Optivolt Solutions Ltd London · Electrical

  Optivolt Solutions Limited provides specialist training in AI, digital skills, automation, IoT, and smart technologies, alongside electrical NVQ compe

• O Opus Power Ltd Shrewsbury · Electrical

  Opus Power Ltd specialises in electrical contracting, with over 30 years of experience in overhead line (OHL) work and power distribution across the U

• O Opus Utility Solutions Warrington · Utilities · 10-49 employees

  Opus Utility Solutions is a Tier 1 SME delivering civil & electrical engineering solutions in the utilities sector, supporting DNOs and IDNOs around t

• O Orange Eco Roofing Ltd London · Roofing

  Roof overcladding and roofing services for homes and businesses. Extend roof life, improve energy efficiency and reduce disruption with Orange Eco Roo

• O Orbis EV Stafford · EV charging · 1-9 employees

  Orbis EV specialises in the installation and support of electric vehicle charging points, offering advice for domestic and commercial clients. They ar

• O ORBITAL ELECTRICAL SOLUTIONS LIMITED Rye · Electrical · 1-9 employees

  Orbital Electrical Solutions Domestic and Commercial Electricians have an enviable reputation for the quality of our work, attention to details and co

• O Orchard Vale Renewables Ltd Stoke-Sub-Hamdon · Solar PV

  Somerset based renewable energy specialists providing solar PV, battery storage, and EV charging solutions for domestic and commercial customers.

• O Ordtek Ltd Norfolk · Civil engineering · 10-49 employees

  Ordtek specializes in UXO risk assessment, clearance support & geoscience services worldwide, trusted by infrastructure, energy & construction project

• O Ore Valley Heating Ltd Lochgelly · Heating & ventilation

  Ore Valley Housing Association (OVHA) provides affordable housing and community support in Fife. They also operate subsidiaries for mid-market rent, c

• O Orio Electrical Services Ltd Shoreham-By-Sea · Electrical

  Orio Electrical Services are experts in electrical installation for homes and businesses across the South East. Services include solar PV, EV charging

• O Orkney.com Isle Of Orkney · Carpentry & joinery · 10-49 employees

  Orkney.com is the official tourism and lifestyle website for Orkney, offering information on things to do, places to stay, and how to get there. It al

• O Ortus Energy Ltd London · Solar PV

  End to end Renewable Energy suppliers and funding solutions for commercial and industrial businesses with a proven track record.

• O OSADARE LIMITED Bristol · Civil engineering · 1-9 employees

  Expert project bidding, skilled staff placement, and professional development opportunities across offshore, nuclear, aerospace, and industrial mega p

• O OSL Global Crewe · Rail infrastructure · 50-249 employees

  OSL Global provides optimised engineering and consultancy services for rail systems, water treatment, waste management, and AI integration, delivering

• O Osmose Hudderfield · Utilities · 50-249 employees

  Osmose Utilities Services provides solutions for T&D networks, focusing on asset preservation, structural resiliency, and data-driven decision-making

• O Osprey Charging Network Ltd Canterbury · EV charging · 10-49 employees

  Osprey provides drivers with high-power rapid electric vehicle charging in a convenient and thoughtfully placed charging network, across the UK.

• O Outersight (UK) Ltd Plymouth · Security systems · 1-9 employees

  Specialist remote CCTV, wildlife observation and research, and harsh environment CCTV solutions. Bringing the outside in with innovative technical sol

• O OUTWEST CIVIL ENGINEERING Birmingham · Civil engineering

  OUTWEST Construction are a Civil Engineering contractor specialising in groundworks, roads and drainage, demolition, from the West Midlands, serving h

• O Ovenden Allworks Ltd Canterbury · Civil engineering · 1-9 employees

  Ovenden Allworks is a family-owned construction company based in Kent, specialising in civil engineering, groundworks, earthmoving, and surfacing. Wit

• O Over to Solar Woking · Solar PV · 1-9 employees

  Over to Solar is your local, trusted solar panel installer in Surrey. We provide bespoke, reliable solar systems for homes and businesses, offering co

• O Ovi Construction Ltd Romford · Civil engineering · 1-9 employees

  OVI Construction Company Limited is a Nigerian-based multidisciplinary construction and engineering company delivering end-to-end infrastructure solut

• O Ovic Ltd Skipton · Marine & water engineering · 1-9 employees

  Ovic Limited are water engineering specialists based in Skipton, North Yorkshire, offering services in asset surveys, systems analysis, and hydraulic

• 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

• O Owen Construction Consultancy Ltd Orpington · Main contractor

  Construction Health & Safety Consultants offering services in London, Kent & Essex. Experienced consultants ensure safe and compliant projects.

• O Owen Electrical Solutions Ltd Southampton · Electrical · 1-9 employees

  Highly skilled electricians providing Domestic, Commercial, Industrial, and Renewable electrical services. We are MCS registered and offer bespoke bat

• O Owv Developments Ltd Camberley · Extensions

  NHBC registered building and development company in Camberley, Surrey, serving London and Home Counties. Specialising in extensions, new builds, renov

• O Oxford Installations Ltd Bicester · Electrical · 1-9 employees

  Oxford Installations provides electrical, solar PV, battery storage, EV charging and air conditioning installations across Oxfordshire. Get a free quo

• O Oxford Solar Pv Ltd Oxford · Solar PV · 1-9 employees

  Oxford Solar PV supply and install Solar Photovoltaic Panels in Oxford, Oxfordshire & UK. Solar Power for Oxfordshire!

• O Oxland Construction Consulting Ltd Wimborne · Main contractor · 1-9 employees

  Oxland Construction Consulting Ltd offers expert construction consulting services including surveying, project snagging, 3D modelling, project managem

• O Oyo Energy Ltd London · Solar PV

  Oyo Energy Limited is a UK-based distributor of solar energy products, including solar panels, inverters, and batteries. They aim to make renewable en

• P P B Proctor Electrical Ltd Belfast · Electrical · 1-9 employees

  P.B Proctor Electrical Ltd is a Belfast-based, family-run business with over 30 years' in the industry delivering high-quality electrical and solar se

• P P C Doney Electrics (Sw) Ltd Saltash · Electrical · 1-9 employees

  NICEIC approved electrical contractor in Saltash covering Cornwall, Plymouth and Devon. Domestic, commercial and industrial electrical contracts.

• P P D R Electrical Engineers Ltd Rotherham · Electrical · 10-49 employees

  Established in 1990, PDR Electrical Engineers offers a wide range of electrical services to industry and commerce, including electrical engineering an

• P P J Hirons Ltd Bromsgrove · Groundworks · 1-9 employees

  P J Hirons Ltd is a family-owned business in Worcestershire, specialising in Cable Ploughing and Trenching Contractor services. With over 20 years of

• P P J Laight Ltd Evesham · Main contractor · 1-9 employees

  PJ Laight is a family-run business with three generations of experience supplying fuel and animal feed in Evesham and surrounding areas. They offer a

• P P P M Electrical Ltd Spalding · Solar PV · 1-9 employees

  MCS accredited, NAPIT Part P registered, and F-Gas certified electrician in Spalding, Lincolnshire. Solar PV, battery storage, EV chargers, air condit

• P P S Higgins Electrical Services Ltd Market Drayton · Electrical · 10-49 employees

  PS Higgins Electrical Services are Electricians you can trust, based in Market Drayton Shropshire and servicing the whole of the UK.