712 companies across London working in the energy sector.
STL is a global leader in advanced connectivity solutions, providing end-to-end solutions for building AI-ready infrastructure, FTTx, Rural, Enterpris
Award-winning Principal Specialist Contractor in Building Conservation, Restoration & New Build Masonry finishes. Serving the construction industry fo
STRABAG UK, part of STRABAG SE, offers comprehensive construction services across water, energy, transport, and building sectors, integrating innovati
Strataforge designs and integrates software, data controls and AI-assisted workflows for critical infrastructure and regulated operations.
STULZ UK provides energy-efficient cooling solutions for data centres and IT equipment. With 75 years of experience, we are a global leader in tempera
Experienced Ground Source Energy Drilling Contractor and Water Supply Borehole Specialist providing a range of Groundwater Technologies. We offer a co
Sudeco International Ltd designs, manufactures, and supplies agro-food processing equipment for the sugar industry, offering consultancy, project mana
OFTEC-registered boiler servicing, installation and repair for oil boilers and oil tanks across Suffolk, Norfolk, Cambridgeshire, Essex & Herts.
Suncat Energy offers digital solutions, electrical services, and renewable energy projects, including solar PV. Based in London and Catalunya, they fo
Transform your property with expert Solar Panel Installation in Wembley. Sun Free Energy UK LTD offers sustainable energy solutions for residential, c
Sunline Energy is a UK-based solar and energy solutions company specialising in the design, installation, and ongoing support of high-quality solar PV
General Contractor and Service Provider for Renewable Energy Projects. We develop, structure and implement projects tailored to client needs, timing a
Suns Power is a forward-thinking renewable energy company specialising in solar PV, battery storage, EV charging solutions, and maintenance services.
Save money on your bills and gain energy independence with Sunsave solar panel and battery solutions. Get a free quote today.
SunWise Solar is a Lincolnshire-based independent installer of solar panels, battery storage, and EV charging systems. They offer expert advice and ta
Super Energy Solution specializes in providing ECO4 and GBIS funding for eligible households to enhance home energy efficiency. We help homeowners and
Sureserve delivers high-quality solutions for housing associations and local authorities, ensuring energy efficiency, safe homes and better quality of
Premium renewable energy solutions in Surrey. Solar panels, heat pumps, EV charging, battery storage and more. TrustMark certified.
Sutton on the Forest Solar is developing a significant solar farm and battery storage project in North Yorkshire, aiming to contribute to the UK's ren
SV LUX LTD is a London-based company specializing in construction industry qualifications and certifications. Established in 2018, they offer a wide r
Swale Heating keep over 140,000 households across the South East, London and East Anglia safe and warm. Contact us today to find out about our service
Sweet Projects is a single-source turnkey construction company that designs and constructs data centres and built environments for the defence and ene
Swiftline Engineering provides smart, cost-effective mechanical and electrical engineering solutions, focusing on design, installation, and maintenanc
Switchd is an impartial service that searches the energy market daily, automatically switching you to the best energy deals to save you money.
Symbiona is a provider of wastewater treatment technology, water recycling, and organic waste fermentation. They offer solutions for biogas and bioene
Synth Solar designs, installs and monitors commercial solar and battery systems across the UK. MCS certified, real-time monitoring, award-winning serv
TAG UK Services Ltd is a trusted and reliable electrical company in and around Gravesend-trusted local electricians for homes and commercial businesse
Harnessing the collective strength of our partners, Taiyo Power & Storage is committed to creating quality-driven renewable energy projects that have
Tapp Renewables Ltd offers comprehensive renewable energy and boiler solutions in Essex and Hertfordshire, with over 17 years of experience.
Taylor Woodrow is a leading UK infrastructure company, delivering complex engineering solutions for energy, transportation, and strategic infrastructu
TCOMET provides communication and safety solutions for tunnelling and mining projects worldwide, offering integrated systems for robust networks, real
Teamforce Labour Limited is a specialist labour provider for Tunnelling, Rail (Safety Critical), Energy, and Construction sectors. Family-run since 20
Practical managed IT support, cyber security, cloud, backup and infrastructure services for London businesses.
Mobilizing geothermal energy in East Africa. Tecton GeoEnergy is dedicated to enhancing electricity access by implementing innovative geothermal power
Bespoke turnkey solutions in renewable energy, industrial manufacturing, and ecological innovation. From conception to completion.
Telis Energy Group is a European green energy platform fast-tracking the energy transition by developing ambitious renewable energy projects across Eu
Telis Energy UK is a green energy company transforming the UK energy landscape with innovative hybrid energy hubs, connecting multiple clean energy te
TeraBora: digging for cheaper, greener heating. A worm-inspired robotic system for geothermal ground loop installation.
Terra Firma Energy develops, finances, and constructs solar, wind, energy storage, and transitional peaking power projects, assisting the UK's journey
TF Group assesses properties to cut wasted energy, lower costs, and improve building performance through practical, effective energy upgrades.
TG QC Consultancy Ltd offers expert quality control services for construction projects across London and the UK. Material testing, on-site inspections
ThamesWey Group is an independent company delivering sustainable housing, energy and development projects across Woking and Surrey. Founded in 1999, w
Millsons Group (The Energy Fixers) transforms properties and enhances energy efficiency, offering high-quality, sustainable solutions for homes and bu
Trusted solar panel installers offering bespoke services and 5-star customer ratings. Save on energy bills with expert solar, battery, and heat pump i
Commercial thermal, acoustic and fire-rated insulation specialists working nationwide.
THREON orchestrates sovereign-scale energy and infrastructure systems by aligning institutions, capital, and delivery into unified execution pathways.
Thunder Energy Services Ltd offers plug-in solar kits for homes, balconies, and gardens. ENA-compliant and easy to install, their products help reduce
Titan Civils offers streamlined, dynamic civil engineering solutions, focusing on swift delivery without compromising quality. They provide turnkey se
TLINX LIMITED is a UK-based company providing skilled and general labour to construction projects. We connect companies with the right talent for thei
TM Refrigeration Ltd specialises in Air Source Heat Pumps, Air Conditioning, and Refrigeration Solutions, offering design, installation, repair, and m
Planyard connects cost estimating, budgets and committed costs in one live system, and handles your CIS and VAT calculations automatically.