Energy construction companies in London

712 companies across London working in the energy sector.

• N Nhoa UK Ltd London · Solar PV

  NHOA Energy designs, delivers, and services Battery Energy Storage Systems (BESS) for utility-scale and industrial applications worldwide, based on pr

• N Nightingale Electrical Sutton · Electrical

  Expert electrical, solar, and EV charger installations in Sutton. Get an instant quote with Nightingale Electrical today.

• N NNODI Group London · Main contractor

  NNODI Group provides chartered quantity surveying, cost management, commercial management and project advisory services across the UK and internationa

• N Nodacrux Ltd Isleworth · Utilities

  Nodacrux is an innovative company providing tailored solutions for industries including oil & gas, mining, energy, and utilities. They specialize in p

• N NOLA RENEWABLES LIMITED London · Solar PV

  Nola Renewables specialises in helping businesses and homes transition to greener, more sustainable futures with tailored renewable energy solutions.

• N Noxmar Ltd London · Marine & water engineering

  NOXMAR is a specialized consultancy in geophysical data processing, interpretation, and 4D modelling for offshore wind projects, utilizing AI-powered

• N NVM Group Wembley · Civil engineering

  NVM Group is a UK-based energy and infrastructure contractor delivering civil engineering and utility services across projects nationwide. Specialisin

• N Nyxion Ltd London · Electrical

  Electrical and smart-home contractor for architects. RIBA-aware, M&E coordinated, NICEIC, KNX and Rako certified. London and across the UK.

• O O & K Property Works Ltd London · Design & build · 1-9 employees

  London design & build specialists since 2007. Extensions, lofts, renovations, new builds, plus MCS-certified heat pumps and solar PV. Fixed quotes.

• O Oakray Renewables Enfield · Solar PV

  Oakray Renewables offer comprehensive renewable solar energy solutions for residential and commercial properties. Explore our services to embrace a gr

• O Octopus Group London · Property developer

  Octopus Group is an entrepreneurial business investing in people, ideas, and industries that aim to change the world, focusing on financial services,

• O Offshore Solutions Group London · Civil engineering

  Offshore Solutions Group develops critical wet storage infrastructure (FLOW-Parks™) for the UK's floating offshore wind ambitions, optimising logistic

• O Omenatic Ltd Caterham · Scaffolding

  Specialist rope access company providing safe, efficient access to difficult locations where conventional methods are impractical. Serving constructio

• O OMKA Energy London · Solar PV

  OMKA Energy specialises in renewable energy projects, particularly solar energy systems. With over 10 years of experience, they offer turnkey project

• O OMNYRA London · Main contractor

  OMNYRA provides execution-led leadership for high-risk industrial projects, shutdowns, and major hazard environments, restoring authority and control.

• O ONE31 ENERGY LTD London · Solar PV

  ONE31 ENERGY LTD is a renewable energy company focused on reducing costs, cutting carbon, and building a sustainable future through innovative energy

• O ONSHORE TECHNICAL LTD London · Utilities

  Onshore Technical: Experts in gas sector recruitment, temp-to-perm contracts, design consultation, and project management.

• 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 Optimal Energy Solutions Ltd Grays · Solar PV

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

• 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 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 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 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 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 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 P6 Planning Ltd London · Main contractor

  Expert project management, planning, and project control solutions for complex infrastructure projects across the UK. Decades of experience in high-va

• P Paarl Limited Shepperton · Design & build · 1-9 employees

  PAARL is a fully integrated construction company providing professional contractual services and solutions across Design & Build, Development & Renova

• P Pace Evolutions London · Heating & ventilation

  Trusted provider of heat pump installations, electrical services, and utility solutions. Save up to 30% on energy bills. Eligible for £7,500 governmen

• P Pacific Green Battery Energy Parks 3 Ltd London · Solar PV

  Pacific Green is a leader in energy storage and the sustainable energy transition, deploying battery energy parks at speed and scale globally.

• P Panthera Group Ltd Uxbridge · Fencing

  Panthera Group provides comprehensive site support services including hoarding, temporary electrics, plumbing, and security systems. Committed to sust

• P Pconet Ltd London · Security systems

  Pconet is an OT engineering and cybersecurity company delivering secure, reliable control systems for critical infrastructure.

• P Petroff Ltd Staines-Upon-Thames · Civil engineering · 10-49 employees

  Petroff Ltd is a leading civil engineering and surfacing specialist, delivering innovative, high-quality, and sustainable solutions for businesses nat

• P Phoebus Power Ltd London · Solar PV · 1-9 employees

  Phoebus Power provides engineering, project management, and business development consultancy in the clean technology sector, focusing on zero-carbon e

• P Phoenix Eco Energy Ltd London · Heating & ventilation

  Phoenix Eco Energy Ltd is a leading provider of energy-efficient home upgrades, specializing in boiler replacements, insulation, and solar PV installa

• P Pinnacle Mep Ltd Chislehurst · M&E contracting

  Pinnacle MEP provides expert Mechanical & Electrical Design & Build services across the UK, specializing in energy centres, district energy, hotels, r

• P Pipe Weldline Ltd Croydon · Heating & ventilation · 1-9 employees

  Specialist supplier and installer of pre-insulated pipe systems for heating and cooling networks. Offering comprehensive services for above and below-

• P PLUGNET Essex · EV charging

  PLUGNET offers nationwide EV charging solutions, ensuring reliable and accessible charging stations for businesses and EV drivers across the UK.

• P Pod-Trak Uxbridge · Rail infrastructure · 1-9 employees

  Pod-Trak delivers sustainable solutions across rail, energy, networks, and civil engineering, prioritizing environmentally responsible design and inno

• P Porr UK Ltd Uxbridge · Main contractor · 10-49 employees

  PORR AG is one of Europe's leading construction companies, offering a full range of services from design and engineering to civil engineering and buil

• P Portclean Services Solutions Ltd London · Refurbishment

  Providing Cleaning Services For Over 15 years. Top Accreditations & +30 cleaners. Based In Clapham, Serving All London & Greater London.

• P POWER32 London · Utilities

  Power32 provides immediate, cost-effective, flexible baseload power solutions fuelled by methanol, backed by Proman's global expertise and supply chai

• P Preformed Substructures Ltd London · Piling

  Preformed Substructures design, supply and install screw pile and ground beam foundation systems for all building types across the UK.

• P Prescott Fairchild London · Painting & decorating

  Prescott Fairchild offers a diverse range of property services including painting, decorating, floor fitting, cleaning, electrical work, plumbing, and

• P Presurv Energy Ltd London · Solar PV

  Presurv Energy Ltd offers EPC services, grant funding for property improvements like solar PV, heat pumps, and solid wall insulation, helping homeowne

• P Pretium Synergy Chislehurst · Solar PV

  Pretium Synergy offers solar PV, battery storage, heat pumps, and EV charging solutions for residential and commercial clients across the UK.

• P PRIME EV SOLUTIONS LTD London · EV charging

  Prime EV Solutions provides comprehensive, turnkey solutions for EV infrastructure, covering design, planning, installation, and maintenance of EV cha

• P Pro Civils Uxbridge · Civil engineering · 1-9 employees

  Pro Civils offers expert civil engineering services in London, specialising in planning, designing, building, and testing structures for commercial an

• P Pro Energy Ltd Romford · Heating & ventilation · 10-49 employees

  Pro Energy Ltd is a specialist Heat and insulation solution provider accredited under ECO Scheme, offering free boiler replacement, electric storage h

• P Project Heat Shoreditch · Heating & ventilation

  Project Heat is dedicated to making homes more energy-efficient, saving money, protecting the planet, and securing our future. We aim to address the s

• P ProJob London · Crane hire

  Specialist lifting teams in London for glass, plasterboards, and heavy materials. PROJOB delivers safe handling, zero-damage results, and trusted supp