4493 UK companies working in the energy sector.
HV Energy are an established Civil Engineering Contractor offering services throughout the UK. They focus on delivering projects sustainably, efficien
HV Excavators are specialists in suction excavation providing safe, efficient, and flexible excavation services across the UK.
HV Power Engineering is a specialist high voltage protection and commissioning company delivering projects across 11kV to 132kV networks throughout th
HV Solutions delivers expert cable installation and maintenance services for DNOs and Tier One Contractors, focusing on dependable, on-time delivery w
HV Technologies is your trusted partner for high and low voltage equipment services, offering expertise in maintenance, repair, and commissioning up t
HVL Solutions & Engineering are specialists in civil engineering and utilities, offering emergency valve repairs, pipeline services, and asset mainten
Trusted renewable energy specialists serving Surrey & Berkshire with solar panels, battery storage and EV charger installations.
Domestic and commercial electrician Tring, available 24/7 for all projects in Tring and the surrounding area, with no call-out charges for emergencies
Hydracrat is a leading rotary borehole drilling contractor specialising in ground investigation, geothermal, water wells and large diameter boreholes
Hydraflex is a UK manufacturer of EPDM flexibles, metal hoses, and bellows, specialising in bespoke solutions for liquid cooling, plumbing, and indust
Hydro Maintenance Ltd specialises in hydroelectric solutions for private estates, offering construction, maintenance, and repair services to maximise
Hydroline Solutions Ltd, established 2011 in Somerset, are civil engineers and pipeline contractors with a reputation for high-quality, technical work
HyHAUL Mobility is pioneering the UK's first dedicated hydrogen mobility corridor, focusing on decarbonising heavy-duty road transport with FCEV truck
I&C Gas Services specialises in industrial and commercial gas metering solutions for utility and meter asset management companies across the UK. They
Intelligent Environmentally Friendly means of Power Generation. Reducing emissions and carbon footprint, while also offering huge financial benefits.
i Spy Solar is a leading MCS certified provider of solar PV solutions in Cornwall and Devon, offering end-to-end design, installation, and maintenance
I-Connect Utilities and Renewables Limited is an engineering and construction company focused on renewable energy, utilities, EV charging, building se
Trusted experts in solar, heat pump, EV charger, electrical, and security installations. High-quality solutions for homes and businesses across Scotla
I-Scaff Access Solutions is a leading provider of scaffolding and access solutions, with a strong focus on safety, quality, and reliability. They serv
Electrical engineering contractor based centrally in the UK, offering design, build and installation of Control panels, HV/LV systems, Communication &
IAG Mechanical: Gas boilers, air conditioning, air source heat pumps and solar PV. Supplied, installed and maintained by a local family business in Br
IBR Energy Solutions Ltd. provides government-backed ECO4 and LA Flex funding for energy-efficient home upgrades including insulation, heating, ventil
iCD Energy Metering Services Ltd provides gas and electricity services across the UK, specializing in EV charger installation and utility connections
ICM Services Ltd offers a variety of services in high-risk, fast-paced environments, including EV Projects, Utilities, Construction, and Labour supply
Accredited electrical design engineers helping UK clients connect residential and commercial projects to the electricity network. Offering expert advi
ICS GLOBAL specializes in high-grade procurement of natural gasses and sourcing essential equipment. Your reliable partner for professional and timely
Trusted and reliable Electricians & Electrical Contractors in Edinburgh. Award-winning team serving homeowners, landlords, letting agencies, hotels, s
Ideal Heating & Gas Ltd offers expert solar energy, boiler, and air source heat pump solutions for homes across the UK, focusing on sustainability and
An independent property & construction consultancy delivering innovative, effective, cost-focused, sustainable solutions for investors, developers, su
IFBE (Integrated Facilities Building Electrical) is an independent commercial electrical & Building facilities contractor with a proven track record.
iFocus Group provides innovative and eco-friendly engineering solutions, blending cutting-edge technology with expert knowledge for efficiency and sus
Ifyachi Ltd is a specialist boutique advisory firm offering customized strategic and project delivery consultancy for sectors ranging from Oil and Gas
Igloo Environmental Ltd: trusted solar PV solutions. Specializing in residential solar panels and battery storage, we ensure top quality and customer
Igne offers integrated subsurface services including ground investigation, specialist drilling, UXO mitigation, materials testing, surveys, and geo-en
Igne offers comprehensive ground investigation services, from site surveys to geotechnical analysis. With nationwide reach and expert insight, we prov
Igne offers integrated ground investigation, specialist drilling, UXO mitigation, geo-environmental, and materials testing services across the UK.
Ignira Energy decarbonises UK home heating by making clean heating solutions accessible. They offer heat pump installations with no upfront payment, f
MCS certified solar panel installers for homes and businesses. Free technical drone and site surveys with clear ROI reports and no obligation.
IGNIVOLT provides safe, efficient, and certified EV charge point installations for homes and businesses across the UK. We offer reliable, future-ready
Specialist steeplejack and rope access services for challenging projects at height. Offering precision, safety, and traditional craftsmanship since 20
Experts in installing & servicing Solar PV for commercial and domestic clients for over 10 years. Offering free quotes and 25-year guarantees.
Trusted heating engineers and renewable energy specialists based in Oswestry. iHeat Ltd provides expert boiler, plumbing and sustainable solutions acr
IISACCS Limited offers Eco Technical Monitoring Inspections, Green Deal Auditing, Energy Performance Certificates, and Cavity Cleaning Solutions acros
Ikonic Renewables is a distribution supplier of renewable energy products, committed to sustainability, affordability, and innovation. We empower busi
Cornwall Civil Engineering Solutions in Telecoms, Water, Electrical and Renewables. Covering the Southwest.
ILI Group is a Scottish clean energy and infrastructure developer, delivering net zero residential, energy storage, and data centre projects.
IMGREEN LTD is a Crawley-based startup making clean power accessible, credible, and commercially smart for UK homes, businesses, NGOs, and public sect
IMI Insulation Ltd are industrial insulation specialists based in Portsmouth with over 40 years of expertise. They offer a range of insulation solutio
Lincoln-based electricians and renewables specialists supporting with domestic work, solar installations, and electrical vehicle charging.
Professional Drone Photography and Videography Company providing Drone Photos and Videos to Clients across the UK and Overseas Clients.
Planyard connects cost estimating, budgets and committed costs in one live system, and handles your CIS and VAT calculations automatically.