It’s time to help decide BusinessCloud’s EnviroTech 50 ranking for 2025.
The annual ranking celebrates the UK’s most innovative startups, scaleups and established firms creating original technology for green energy, to protect the environment and boost sustainability.
We have shortlisted 135 firms for potential inclusion. The final EnviroTech 50 ranking will be determined by a combination of reader votes and selections from an expert judging panel.
You can cast your vote until 23:59 on Sunday 8th June. Browse the shortlist below and vote for the company you believe to be the most innovative.
The final EnviroTech 50 ranking will be published online on Monday 23rd June.
Subscribe to our daily email tech innovation newsletter via the dropdown below when you vote to be among the first to see the results.
Your vote
Voting has now ended – the 2025 EnviroTech 50 will be published here on Monday 23rd June
EnviroTech 50 shortlist
| Company | HQ | Region | Description |
|---|---|---|---|
| 51toCarbonZero | Twemlow | North West | Platform enabling corporate transition to net zero while boosting business performance |
| Above | Colchester | East of England | Combining drone technology with AI to monitor solar farms |
| Adia Thermal | London | Greater London | Allows heat pumps to be retrofitted into homes without extensive pipework or lengthy installation |
| Agricarbon | Dundee | Scotland | Rigorous and affordable soil carbon testing at scale |
| Altruistiq | London | Greater London | Behind abatement engine for granular data reporting and impact management |
| Arborea | London | Greater London | Industrialising photosynthesis to expand the world's food supply |
| Authenticate | Harrogate | Yorks & Humber | Supply chain mapping software for food |
| Axle Energy | London | Greater London | Energy flexibility platform connecting distributed assets with markets |
| Bartec Municipal Technologies | Barnsley | Yorks & Humber | Supplier of environmental and service management software to UK local authorities |
| Be.EV | Manchester | North West | Electric vehicle charging network |
| BeZero Carbon | London | Greater London | Global carbon ratings agency |
| Bramble Energy | Crawley | South East | Printed circuit board hydrogen fuel cells |
| Carbon Clean | London | Greater London | Cost-effective carbon capture solutions |
| Carbon Neutral Fuels | London | Greater London | Combines air, water and low-carbon energy to make carbon neutral fuel |
| Catagen | Belfast | Northern Ireland | Automotive emissions tech |
| Celtic Renewables | Edinburgh | Scotland | Produces biofuel from the by-products of the scotch whisky industry |
| Cheesecake Energy | Nottingham | Midlands | Long-duration energy storage |
| CienDos | Glasgow | Scotland | Allows financial institutions and corporates to assess environmental risk and impact of any company |
| Circulor | London | Greater London | Supply chain visibility & ESG improvement |
| Clearly | London | Greater London | Uses AI to provide fleet operators with emission and energy insights |
| Climate X | London | Greater London | Global climate risk data and analytics provider |
| Clyde Hydrogen Systems | Glasgow | Scotland | Decoupled electrolysis technology for green hydrogen production |
| Concrete4Change | Nottingham | Midlands | Decarbonising concrete and construction industry through CO2 mineralisation |
| Connect Earth | London | Greater London | Builds infrastructure for climate-conscious products by aggregating environmental data and making it available through APIs |
| Correla | Solihull | Midlands | Visibility of UK’s gas network to monitor impact of carbon reduction programmes |
| CuspAI | Cambridge | East of England | Platform for developing new materials to tackle global sustainability and clean energy challenges |
| Danu Robotics | Edinburgh | Scotland | Utilising robotics and AI to revolutionise recycling |
| Deep Green | London | Greater London | Data centre company that recaptures heat & repurposes it for social good for free |
| Earth Blox | Edinburgh | Scotland | No-code access to satellite Earth observation |
| Earthchain | Leeds | Yorks & Humber | Provides carbon credits from high-quality, independently verified projects |
| Ecologi | Bristol | South West | Offsets carbon footprints by funding climate change solutions |
| Emitwise | London | Greater London | AI platform for measuring greenhouse gas emissions |
| EMSOL | London | Greater London | Pinpoints polluting vehicles in real time |
| Epoch BioDesign | London | Greater London | Designs enzymes to break down plastics in process similar to how leaves decompose in soil |
| equiwatt | Gateshead | North East | Energy management app rewarding consumers for switching off appliances at peak times |
| ESG Book | London | Greater London | Cloud platform makes ESG data accessible and transparent |
| Eslando | London | Greater London | Marketplace for recyclable waste textiles |
| Flock Mobility | Edinburgh | Scotland | AI platform helping enterprise and public sector customers run smarter, greener, more efficient transport fleets |
| FOTENIX | Salford | North West | Crop diagnostics company |
| FuturePlus | London | Greater London | Sustainability management and reporting platform |
| GeoPura | Newcastle | North East | Harnesses green hydrogen to provide zero-emission electricity |
| Giki | London | Greater London | Carbon calculator & gamification toolkit for improving sustainability |
| Greyparrot | London | Greater London | Automated waste monitoring system |
| Grid Edge | Birmingham | Midlands | Digital twin tech to improve sustainability of buildings |
| GRYD Energy | London | Greater London | Subscription model allowing developers and homeowners to install solar without having to pay for hardware |
| H2Origin | Manchester | North West | Aims to minimise environmental impact of imported bottled water via refilling stations for chilled, triple filtered H₂O |
| Halocycle | Hull | Yorks & Humber | Turns waste plastic back into oil and gas |
| Hark | Leeds | Yorks & Humber | Energy analytics and industrial IoT |
| Heatio | Liverpool | North West | Home energy management system |
| Hectare | Cosham | South East | Digital solutions connecting critical parts of the food supply chain |
| Highview Power | London | Greater London | Renewable power stations providing constant source of energy |
| HiiROC | Hull | Yorks & Humber | Plasma torch technology for production of hydrogen from biomethane, flare gas and natural gas |
| Hoxton Farms | London | Greater London | Producer of meat-free cultivated fat |
| Iceotope | Sheffield | Yorks & Humber | Sustainable immersion cooling solutions for data centres and enterprises |
| Illumion | Cambridge | East of England | Insights into how battery materials behave during charge and discharge cycle |
| Insig AI | London | Greater London | Environmental, social and governance data solutions including disclosure research tool |
| Insight Terra | London | Greater London | AI-driven greenhouse gas and environmental risk platform |
| Integrated Environmental Solutions | Glasgow | Scotland | Sustainable analysis tech for buildings |
| Integrum ESG | London | Greater London | Provides live ESG data insights for asset managers and their advisors |
| Intelligent Energy Limited | Loughborough | Midlands | Hydrogen fuel cell manufacturer |
| Intelligent Growth Solutions | Dundee | Scotland | Tech for vertical farming industry |
| IPG Energy | London | Greater London | Green replacement for diesel generators in difficult-to-decarbonise industries |
| Kerbo Charge | London | Greater London | Home charging solution for EV owners with street parking |
| LettUs Grow | Bristol | South West | Aeroponic technology for indoor farms |
| Levidian | Cambridge | East of England | Decarbonises methane by cracking it into graphene & hydrogen, supporting industrial decarbonisation |
| LITTA | London | Greater London | On-demand ethical waste removal tech platform |
| LoweConex | Lisburn | Northern Ireland | Cloud-based IoT software platform & hardware solution enabling retailers to implement intelligent automation |
| MacRebur | Waterbeck | Scotland | Creates asphalt for road surfaces from waste plastics |
| Matter | Bristol | South West | Pioneering plastic capture in world's oceans |
| measurable.energy | Reading | South East | Hardware & software to eliminate wasted energy in buildings |
| Metris Energy | London | Greater London | Platform for deployment of solar energy on commercial buildings |
| Mission Zero Technologies | London | Greater London | Removes CO2 directly from the atmosphere around us |
| Mocean Energy | Edinburgh | Scotland | Wave energy technology pioneer |
| Modo Energy | Birmingham | Midlands | Data analysis platform for energy companies |
| Naked Energy | Crawley | South East | Behind pioneering hybrid solar collector technology |
| Naturbeads | Malmesbury | South West | Technology that addresses worldwide microplastic pollution |
| Net Purpose | London | Greater London | Independent fact-base platform for sustainable investors |
| Nossa Data | London | Greater London | Platform for ESG data analytics, management & reporting |
| Nova Pangaea Technologies | Middlesbrough | North East | Converts woody & agricultural residues into sustainable aviation fuel & range of biochemicals |
| Nuada | Belfast | Belfast | Helping to decarbonise heavy industries through carbon capture technology |
| Octopus Energy | London | Greater London | Real-time data analytics for energy tariffs |
| Olio | London | Greater London | App for sharing food leftovers from cafes and local shops to reduce waste |
| Ondo InsurTech Plc | London | Greater London | Behind smart LeakBot technology to detect water leaks |
| OSY Group | Manchester | North West | Increases shelf-life of food produce and reduces waste |
| Oxwash | Oxford | South East | Sustainable laundry service using water-saving ozone technology |
| Pavegen | Cambridge | East of England | Pavement tech converting footsteps into energy, data and rewards |
| Perfect Sense Energy | Tyldesley | North West | Solar energy company that designs, supplies and installs business solar panels |
| PIN IoT | Liverpool | North West | Waste container tracking solution |
| Pipeline Organics | Nottingham | Midlands | Developed technology to harvest renewable electricity from wastewater |
| Plastic Energy | London | Greater London | Chemical recycling of plastics |
| Polymateria | London | Greater London | Biodegradable solution for conventional plastic packaging |
| PowerMarket | Oxford | South East | Solar lifecycle management tool |
| Promethean Particles | Nottingham | Midlands | Produces advanced materials for carbon capture |
| Provenance | London | Greater London | Marketing tech help shoppers choose proof-backed sustainable products |
| PulsiV | Plymouth | South West | Intelligent tech to improve energy efficiency of semiconductor devices |
| Qflow | Bath | South West | IoT and AI to manage social and environmental impact of construction |
| QiO Technologies | Farnborough | South East | Sustainability AI startup helping energy-intensive businesses reduce greenhouse gas emissions |
| QLM Technology | Cardiff | Wales | LiDAR (laser imaging, detection, and ranging) quantum camera to accurately quantify greenhouse gas emissions |
| Reactive Technologies | London | Greater London | Grid stability measurements saving millions of tonnes of CO2 annually |
| Recycleye | London | Greater London | AI and robotics enabling businesses to profit from waste streams |
| Renewabl | London | Greater London | Green energy marketplace |
| Risilience | Cambridge | East of England | Climate risk science for global enterprises |
| Rivan | London | Greater London | Enabling energy security through synthetic fuels |
| Roslin Technologies | Edinburgh | Scotland | AgriTech and animal health solutions |
| Salinity Solutions | Coventry | Midlands | Industrial water treatment |
| Save Your Wardrobe | London | Greater London | Digital wardrobe for sustainable fashion |
| SEaB Energy | London | Greater London | Generates clean energy from organic waste |
| Shellworks | London | Greater London | Compostable alternative to plastic packaging |
| Signol | London | Greater London | Uses behavioural science to reduce emissions in shipping and aviation |
| Smarter Grid Solutions | Glasgow | Scotland | Platform allowing utilities to deliver net-zero emission electricity |
| Solar Polar | Peterborough | East of England | Solar cooling technology for air-conditioning and refrigeration |
| Sourceful | Manchester | North West | Platform using data to help companies source eco-friendly products |
| Space Intelligence | Edinburgh | Scotland | Turns satellite data into actionable information for protection of nature |
| Steamaco | Manchester | North West | Energy tech firm working on smart meter and Internet of Things technology |
| Storegga | London | Greater London | Direct carbon dioxide capture & storage solutions |
| Sunamp | East Lothian | Scotland | Heat battery technology |
| Sunswap | London | Greater London | Zero-emission transport refrigeration powered by solar |
| Supercritical | London | Greater London | Platform to measure, reduce and offset a business's climate impact |
| SustainIQ | Belfast | Northern Ireland | Integrated ESG & sustainability reporting software |
| Sylvera | London | Greater London | Accurate carbon project data and ratings |
| tepeo | Wokingham | South East | Zero-emission boiler |
| The Modern Milkman | Colne | North West | App for delivery of locally-sourced groceries with reusable packaging |
| The Thinking Pod innovations | Nottingham | Midlands | Technology to boost the efficiency and range of electric cars |
| thelittleloop | London | Greater London | Circular platform for kids' clothes |
| Treefera | London | Greater London | Supports businesses and organisations to analyse, evaluate and report on nature-based solutions |
| ULEMCo | Liverpool | North West | Converts commercial vehicles to run on hydrogen fuel |
| UrbanChain | Manchester | North West | Energy market for renewables |
| UrbanTide | Glasgow | Scotland | AI software to identify homes with poor energy efficiency |
| Vertical Future | London | Greater London | Hardware & software for vertical farming |
| WASE | Bristol | South West | Converts wastewater into renewable energy |
| Whitefox | London | Greater London | Membrane solutions to reduce energy consumption, water usage & greenhouse gas emissions in industry |
| Winnow | London | Greater London | Digital tools to help chefs reduce food waste |
| Worn Again Technologies | London | Greater London | Polymer recycling tech for textiles |
| Xampla | Cambridge | East of England | Plant protein-based alternative to plastic |
| Zenobe | London | Greater London | Building a circular economy for batteries |