Energy construction companies in London

457 companies in and around London working in the energy sector.

• S Switchd London · Utilities · 10-49 employees

  Switchd is an impartial service that searches the energy market daily, automatically switching you to the best energy deals to save you money.

• S Symbiona UK Ltd. London · Design & build

  Symbiona is a provider of wastewater treatment technology, water recycling, and organic waste fermentation. They offer solutions for biogas and bioene

• S Synth Solar London · Solar PV

  Synth Solar designs, installs and monitors commercial solar and battery systems across the UK. MCS certified, real-time monitoring, award-winning serv

• T Taiyo Power & Storage London · Solar PV

  Harnessing the collective strength of our partners, Taiyo Power & Storage is committed to creating quality-driven renewable energy projects that have

• T Techfinity London Ltd London · Security systems

  Practical managed IT support, cyber security, cloud, backup and infrastructure services for London businesses.

• T Tecton Geoenergy Ltd London · Civil engineering

  Mobilizing geothermal energy in East Africa. Tecton GeoEnergy is dedicated to enhancing electricity access by implementing innovative geothermal power

• T Tekmann Global London · Design & build

  Bespoke turnkey solutions in renewable energy, industrial manufacturing, and ecological innovation. From conception to completion.

• T Telis Energy London · Solar PV

  Telis Energy Group is a European green energy platform fast-tracking the energy transition by developing ambitious renewable energy projects across Eu

• T TELIS ENERGY UK LIMITED London · Solar PV

  Telis Energy UK is a green energy company transforming the UK energy landscape with innovative hybrid energy hubs, connecting multiple clean energy te

• T TeraBora London · Groundworks

  TeraBora: digging for cheaper, greener heating. A worm-inspired robotic system for geothermal ground loop installation.

• T Terra Firma Energy Ltd London · Solar PV · 1-9 employees

  Terra Firma Energy develops, finances, and constructs solar, wind, energy storage, and transitional peaking power projects, assisting the UK's journey

• T TF ENERGY LTD London · Insulation

  TF Group assesses properties to cut wasted energy, lower costs, and improve building performance through practical, effective energy upgrades.

• T TG QC Consultancy Ltd London · Main contractor

  TG QC Consultancy Ltd offers expert quality control services for construction projects across London and the UK. Material testing, on-site inspections

• T ThamesWey Group London · Property developer

  ThamesWey Group is an independent company delivering sustainable housing, energy and development projects across Woking and Surrey. Founded in 1999, w

• T The Energy Hub London · Solar PV

  Trusted solar panel installers offering bespoke services and 5-star customer ratings. Save on energy bills with expert solar, battery, and heat pump i

• T Thermal Solutions Ltd London · Insulation

  Commercial thermal, acoustic and fire-rated insulation specialists working nationwide.

• T THREON ENERGY SYSTEMS LTD London · Main contractor

  THREON orchestrates sovereign-scale energy and infrastructure systems by aligning institutions, capital, and delivery into unified execution pathways.

• T Thunder Energy Services Ltd London · Solar PV

  Thunder Energy Services Ltd offers plug-in solar kits for homes, balconies, and gardens. ENA-compliant and easy to install, their products help reduce

• T Titan Civils Ltd London · Civil engineering

  Titan Civils offers streamlined, dynamic civil engineering solutions, focusing on swift delivery without compromising quality. They provide turnkey se

• T Top Line Contractors London · Insulation · 1-9 employees

  PAS 2035 retrofit specialist with two decades of experience making British homes warmer, quieter and cheaper to run. Offers surveys, design, and insta

• T Total Service Solutions London · Electrical · 1-9 employees

  Total Service Solutions offers construction, maintenance, and networking services. They focus on ethical practices, quality craftsmanship, and client

• T Trailblaze Labs London · Design & build · 1-9 employees

  Top-rated specialists in custom AI agents, LLM development, and enterprise AI solutions. Serving clients in the US, UK, and globally.

• T Trent Energy Ltd London · Civil engineering

  Trent Energy specialises in district heating, leak detection, and energy solutions to provide reliable, sustainable heat while reducing emissions and

• T Triex Ltd London · Utilities · 10-49 employees

  Award-winning infrastructure company specialising in Renewables, Energy, Data Centres, Utilities, Power, Fibre and Construction. Turnkey projects in S

• T Tronicon Ltd London · Solar PV

  Tronicon Ltd is a reliable brand providing proven photovoltaic technologies in the UK and EU. We offer professional advice and support for solar energ

• T Trusted Home Energy London · Solar PV

  Trusted Home Energy is a growth platform for UK solar installers, providing qualified leads, operational support, and trusted local branding.

• T Tykhe Consultancy Ltd London · Electrical · 1-9 employees

  Based in London, Tykhe Consultancy Ltd. will use 30 years of experience of Teos and is ready to offer services in project management, architectural, e

• U UK Power Networks Services (Commercial) Ltd London · Utilities

  UK Power Networks Services (Commercial) Limited is at the forefront of innovation, delivering an efficient, future-ready network and facilitating the

• U UKAP Group London · Property developer · 10-49 employees

  UKAP Holdings Limited is a UK investment group. Its investment vehicle, UKAP Investments Limited, holds copper-backed TCu29 digital assets with a publ

• U Unlimited Green Energy Corporation Ltd London · Solar PV · 1-9 employees

  Unlimited Green Energy Corporation Limited is developing solar power and battery storage systems to meet the UK's clean energy needs.

• U Upvolt London · Solar PV · 1-9 employees

  Upvolt delivers smart solar energy solutions for homes, helping you lower energy costs and power your home sustainably.

• U Urban Need Ltd London · Electrical

  Urban Need connects you with trusted local professionals for home services like plumbing, electrical, cleaning, beauty, and more. Serving London, Luto

• U Use Solar Ltd London · Solar PV

  Solar PV Panels help you Save Money and Generate your Own Energy. Book a Free and No obligation visit with our Qualified Solar Advisors. Call on 02089

• V Valegro Pay Ltd London · Concrete works

  Streamline your business with Valegro Pay Ltd, expert payroll, HR, back-office support, and reliable financial payment solutions for businesses of all

• V Valour Services Ltd London · Piling

  Valour Services Ltd offers discreet and professional pest and vermin control, specialist cleaning with medical-grade chemicals, and a range of constru

• V Van Den Herik UK Ltd London · Marine & water engineering

  Van den Herik Sliedrecht is a Dutch hydraulic engineering company specializing in water infrastructure, flood protection, and nature development. They

• V Vault Subsea Ltd London · Civil engineering

  Vault Subsea delivers pioneering subsea protection, marine infrastructure support, and sustainable solutions with over a decade of expertise in 24 loc

• V Vios Energy Ltd London · Solar PV · 1-9 employees

  Vios Energy is dedicated to electrifying communities, businesses, and mobility using sustainable resources. Their portfolio covers electricity trading

• V Vital Home Improvements London · Solar PV

  Vital Home Improvements is a UK-based company specializing in solar PV, battery storage, and EV charger systems. They offer tailored solutions for hom

• V Vitalvolt Ltd London · Electrical

  VitalVolt offers smart electrical, solar, and energy storage solutions for homes, businesses, and industrial needs, focusing on safety, efficiency, an

• V Voltaria Ltd London · Solar PV · 1-9 employees

  Voltaria is a developer and operator of grid scale battery energy storage assets to support the energy transition.

• V Voltison Renewables Ltd London · Solar PV

  Voltison is developing a multi-technology portfolio of over 15 renewable energy projects across the UK to accelerate the energy transition.

• V Vulcan Industries PLC London · Civil engineering

  Vulcan Industries plc is a UK-based company focused on identifying development opportunities in industrial and new-tech sectors, leveraging debt and e

• W Water Freedom Ltd London · Plumbing

  Water Freedom engineers ultra-pure water systems for residential, off-grid and commercial applications. Configured for your conditions. Every time.

• W Wattly Energy UK Ltd London · Solar PV

  Wattly provides large-scale solar power installations, EPC contracting, and circular demolition services. They offer solutions for greenhouses and sus

• W Wenea London · EV charging

  Wenea is a leader in electric car charging, with over 1,600 active points and expanding. We offer charging solutions for homes, businesses, and public

• W Wiseglow UK Ltd London · Solar PV

  WiseGlow is an Italian company specializing in renewable energy, particularly photovoltaic systems, supporting businesses in cost reduction and sustai

• W Work Work London · Heating & ventilation · 1-9 employees

  Complete Energy Solutions for domestic and commercial properties, offering services in heating, cooling, insulation, renewables, and finance.

• W World Core Ltd London · Civil engineering

  Worldcore Group is a global programme and project delivery partner. We plan, manage and deliver complex infrastructure and capital programmes with cla

• W Wren Energy Ltd London · Solar PV

  MCS Certified & NAPIT registered engineers specializing in high-yield solar PV, battery storage, and 3-phase islandic systems. Proper engineering for