This article showcases our top picks for the best United Kingdom based Clean Energy companies. These startups and companies are taking a variety of approaches to innovating the Clean Energy industry, but are all exceptional companies well worth a follow.
We tried to pick companies across the size spectrum from cutting edge startups to established brands.
We selected these startups and companies for exceptional performance in one of these categories:
- Innovation
- Innovative ideas
- Innovative route to market
- Innovative product
- Growth
- Exceptional growth
- Exceptional growth strategy
- Management
- Societal impact
Top United Kingdom Clean Energy Startups
Data sourced from Crunchbase and SemRush.
CORE POWER (UK) Ltd
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Advanced atomic technologies can be a game changer for heavy transport and industry.
Clim8 Invest
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Clim8 Invest provides an app that allows individuals to invest in industries that work towards fighting climate change.
Carbon Trust
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Carbon Trust is to accelerate the move to a low carbon economy, by working with organisations to reduce carbon emissions now and develop.
ITM Power
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ITM Power designs and manufactures Hydrogen Energy Systems for Energy Storage and Clean Fuel production.
Future Planet Capital
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Future Planet is the impact-led, global VC firm built to invest in growth companies from the world’s top universities
Intelligent Energy
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Intelligent Energy is a clean power systems company offering fuel cell and hydrogen generation technologies.
H2GO Power
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H2GO Power develops safe and low-cost hydrogen production and storage technologies.
Bramble Energy
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Bramble Energy is an innovator energy technology company that designs and manufactures high-performance, low-cost, and fuel cell stack
Green Energy Options
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Green Energy Options designs and produces in-home energy displays, online energy services, and mobile applications.
BuffaloGrid
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BuffaloGrid is removing barriers for internet adoption and connecting the next billion.
Electron
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Electron is accelerating the energy industry’s transition to Net Zero by making granular, market-based interactions possible.
SEaB Energy
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SEaB Energy has patented a micro anaerobic digestion system for onsite and in-building conversion of organics to energy, water, & fertiliser
Mobile Power Ltd
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Mobile Power provides clean, affordable energy to the off-grid market in Africa.
Ultra Electronics
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Ultra Electronics is a global defense, security, transport, and energy company developing vehicle systems, power systems, and sonar systems.
Carbon Analytics
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Carbon Analytics transforms a company’s accounting data into a highly visual, actionable carbon footprint analysis.
Carnot
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Carnot is a developer of hydrogen engine used to reduce the fuel consumption and zero CO2 emissions.
Solaris Offgrid
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Provide sustainable energy in low income communities.
UrbanChain
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Blockchain, AI, Renewables, Distributed Energy Management System, Peer-to-Peer Exchange System, Local Energy Market, Virtual Power Plants
Ichthion
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Ichthion engaged in Development of cutting-edge technology to restore the ocean environment.
Cambridge Clean Energy Ltd.
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Revolutionizing the way energy is delivered to emerging markets. Clean-Tech firm focused on innovation and distributed energy as a service
Quimera Energy Efficiency
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Energy Efficiency, ESCO, Energy Saving, Energy Service
GrowUp Farms
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We’re turning food production on its head to make way better food, that doesn’t cost the earth.
Cquestr8
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Cquestr8 is an accelerated weathering company that helps decarbonize cement, lime and steel production and reduce ocean acidification.
Mandulis Energy
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Develops renewable energy projects in emerging markets
Ventive
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Ventive creates healthy internal environments. Pioneers of Passive Ventilation with Heat Recovery
EC-OG
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EC-OG is a developer of subsea power hub technology designed to generate, store, and supply remote electrical power.
Q2i Group
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Blockchain Interoperability – Complex Transactions Monetised – Blockchain Agnostic Platform – Q2iD – ID Control – Q2iPay
E24
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E24 provides fully integrated end-to-end, modular and inter-connectable renewable energy solutions.
Demand Logic
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Demand Logic is an online energy efficiency system that analyzes data from building management systems.
SGMA
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SGMA specializes in coatings & advanced materials using Sol-gel process and develops sustainable solutions for today’s global problems.
Sustainable Marine Energy
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Sustainable Marine Energy develops a deployment platform for the tidal energy industry.
Witt Energy
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Witt Limited has developed a technology called the WITT which converts motional energy into electricity Motional energy
GEV Wind Power
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GEV Wind Power offers wind turbine maintenance service.
Tamar Energy
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Tamar Energy is a clean energy company focused on producing energy from organic waste matter.
WATR
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WATR develops a water monitor that is robust, self-powered, portable, easy to install, with a live data dashboard and notification alerts.
Urban Wind Assets
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Urban Wind Assets built and operating with a few still in the late stages of construction and connection.
Firefly Clean Energy
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Silent Hybrid Power Generators for Construction, Events, Broadcast, Festivals, Aid, Commercial & Domestic.
Eksagon Group Ltd
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Advanced materials technology research, development and commercialisation.
Global Renewables
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GLOBAL RENEWABLE LIMITED is a renewables and environment company based out of 19 OAKWOOD DRIVE OAKWOOD DRIVE, BILLERICAY, ESSEX, United King
Mass Megawatts Wind Power
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Mass Megawatts Wind Power engages in the development of low-cost, clean energy systems designed to meet the global demand for energy.
RE Hydrogen
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RE Hydrogen is develop simple products in the area of gas cleaning, gas compression and hydrogen production.
Ignis Energy
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Ignis Energy specializes in the generation of renewable energy from sustainable sourced timber.
Offsetra
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Facilitating flows of climate finance across markets to create a sustainable future.
ZPN Energy
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A fast-growing EnTech company that designs, develops, and implements infrastructure technologies to win the fight against climate change.
Earth Capital
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EC is a global private equity investment manager totally focused on Sustainable Development within the climate change nexus.
Everoze Partners Limited
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Everoze is an employee-owned consultancy, specializing in renewables.
Green Hydrogen
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Green Hydrogen / GH2 Fuels, GH2 Energy and GH2 Systems
Flossonic
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Flossonic is a U.K.-based provider of a clinically-proven toothbrush that flosses teeth during a normal brushing cycle.
PF Nexus
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Renewable energy & infrastructure deal origination platform
Energym
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Energym is a smart-tech fitness company that builds clean-energy generating gym equipment that turns workouts into usable electrical power.
3POWER ENERGY GROUP
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3Power Energy Group is a sustainable energy producer focused on providing global wind, solar and hydro solutions.
H2 Energy
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Our clean fuel, hydrogen energy and H2 supply solutions are designed to empower a greener, cleaner and more sustainable environment
Ignite Power
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Ignite Power is Pan-African developer and financier of safe clean energy solutions.
Green Energy Group
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Green Energy Group (GEG) is headquartered in London/ UK and was founded in 2008.
Natural Capital Partners
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Natural Capital Partners creates solutions that delivers positive impacts for the environment and society.
ALP Technologies
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ALP Technologies focuses on developing renewable energy technologies for the developing world.
Seamach Energy
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Developing innovative hardware solutions to environmental problems including Wind Turbines and Direct Air Capture
Seajacks
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Seajacks owns and operates self-propelled jack-up vessels that safely and efficiently install and maintain offshore wind farms worldwide.
Aquamarine Power
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Aquamarine Power is a wave energy company developing a hydro-electric wave energy converter called Oyster.
Alkane Energy
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Alkane Energy operates distributed flexible ‘gas to power’ generation plants.
Verditek
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Verditek focused on clean technology sectors including next generation solar panel technology, liquid gas absorption.
Dulas
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Dulas is a renewable energy installer and consultancy, specializing in the wind, solar, and hydro sectors.
Unitrove
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Creating a virtuous world powered entirely by clean energy
Green Star Energy
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Green Star Energy supplies electricity, gas and renewable energy at competitive prices.
H2 INDUSTRIES
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H2 Industries are a hydrogen energy and H2 supply solutions company
International Power
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International Power is an multinational electricity generation company.
Blue Sky Bio
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Blue Sky Bio is UK government backed clean-tech R&D firm.
Waste2ES
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Imagine the power to create value from food waste
ATTOLLO
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Attollo is guiding the quest towards a sustainable marine future.
MyUtilityGenius
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27, works for www.myutilitygenius.co.uk, convinced that small actions make the difference to save our Planet!
Energeo
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Energeo creates energy-focused data products that outline current energy performance and future potential.
Helpthemove
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Helpthemove is a utility management software.
Senergy Innovations
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Senergy Innovations is a smart solar thermal panels designer and manufacturer.
Genius Hub
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Genius Hub is a clever little device that will take over the running of your heating at home.
Energy Centric
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Energy Centric is providing energy conservation consultancy services.
Green Investment Bank
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Green Investment Bank was created to invest in green projects on commercial terms and mobilise other private sector capital.
Pest-Away Total Care Solutions Ltd
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Pest-Away Total Care Solutions Ltd. is one of the best pest removal services in UK for domestic as well as commercial sector.
Suresense Technologies
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Suresense Technologies creates energy efficient technology for the energy intensive industrial sector.
NGenTec
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NGenTec designs low, medium speed, and direct drive permanent magnet generators for MW-scale wind turbines.
Chitendai
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Chitendai is focused on developing commercial and industrial and utility scale projects in Africa.
FutureFuel Technology
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FutureFuel Technology is building the UK’s largest off-grid renewable cryptocurrency mining company
Progressive Energy
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Progressive Energy is a project development company that develops clean energy projects.
Us Solar Fund
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US Solar Fund (USF) is a renewable energy fund that aims to provide investors with attractive, sustainable dividends.
Cleantech Region Impact Group Limited
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Supporting Climate impact companies & ecosystems. With business, financing & networks.
CoreOne
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The world’s first connected, autonomous solar water heater.
RHC IMZADI Hydrogen Consulting
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RHC IMZADI is a specialist boutique consultancy that assists companies and organisations interested in joining the Energy Transition.
Rochem Technical Services eUROPE
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Rochem provides gas turbine and process compressor cleaning technologies and cleaning chemicals.
Star Domestic Cleaners
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Star Domestic Cleaners is a small cleantech contractor located in London.
Trusted Cloud
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Trusted Cloud is a startup, software-based research and technology company based in London. Founder of ResearchDirect mobile platform.
Legasea
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Environmental Oil & Gas service company with a focus on the Circular Economy for Subsea Production Systems and Controls.
Gotwind.org
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Gotwind was originally founded with the purpose of sharing experience in the design.
SDnC Ltd
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SDnC, is a private start-up engineering company focused on the development of energy storage solutions.
Jablite
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Jablite are the marketing supplier of expanded polystyrene (EPS) products in the UK.
HyDIME
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HyDIME is an Innovate UK funded project that uses an environmentally friendly form of hydrogen as a fuel for a commercial ferry.
Town and Country Cleaners
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Town and Country Cleaners offers washing, carpet cleaning, tile restoration, grounds maintenance, pest control and janitorial services.
