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It’s time to help decide BusinessCloud’s EnviroTech 50 ranking for 2024.

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 117 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 5th May. Browse the shortlist below and vote for the company you believe to be the most innovative.

The final EnviroTech 50 ranking – supported by digital transformation experts Sputnik Digital will be published online on Tuesday 28th May alongside our annual EnviroTech Insights report.

Subscribe to our daily email tech innovation newsletter via the dropdown below when you vote to be among the first to see the results.

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EnviroTech 50 shortlist

CompanyHQRegionDescription
AboveColchesterEast of EnglandCombining drone technology with AI to monitor solar farms
AchelousEdenbridgeSouth EastHydrokinetic technology to help reduce CO2 emissions and achieve Net Zero
AgainLondonGreater LondonBehind CleanCell system to clean reusable packaging and prepare it for refill and reuse
AgricarbonDundeeScotlandRigorous and affordable soil carbon testing at scale
AltruistiqLondonGreater LondonBehind abatement engine for granular data reporting and impact management
ArboreaLondonGreater LondonIndustrialising photosynthesis to expand the world's food supply
AuthenticateHarrogateYorks & HumberSupply chain mapping software for food
Better OriginCambridgeEast of EnglandAI-powered insect mini-farms for sustainable animal food production
Bramble EnergyCrawleySouth EastPrinted circuit board hydrogen fuel cells
C-CaptureLeedsYorks & HumberDesigns chemical processes for the capture of carbon dioxide
CamnexusCambridgeEast of EnglandIoT for sustainable development
Carbon CleanLondonGreater LondonCost-effective carbon capture solutions
CatagenBelfastNorthern IrelandAutomotive emissions tech
Celtic RenewablesEdinburghScotlandProduces biofuel from the by-products of the scotch whisky industry
Cheesecake EnergyNottinghamMidlandsLong-duration energy storage
CirculorLondonGreater LondonSupply chain visibility & ESG improvement
Climate XLondonGreater LondonGlobal climate risk data and analytics provider
Clyde Hydrogen SystemsGlasgowScotlandDecoupled electrolysis technology for green hydrogen production
Concrete4ChangeNottinghamMidlandsDecarbonising concrete and construction industry through CO2 mineralization
Connect EarthLondonGreater LondonBuilds infrastructure for climate-conscious products by aggregating environmental data and making it available through APIs
CorrelaSolihullMidlandsVisibility of UK’s gas network to monitor impact of carbon reduction programmes
Deep BranchNottinghamMidlandsConverts carbon dioxide and hydrogen into protein for sustainable food system
DsposalManchesterNorth WestCompliance-focused digital waste tracking
Earth BloxEdinburghScotlandNo-code access to satellite Earth observation
EcologiBristolSouth WestOffsets carbon footprints by funding climate change solutions
ElectronLondonGreater LondonBlockchain solutions to decarbonise energy sector
Elyos EnergyLondonGreater LondonDecarbonises commercial buildings by optimising energy consumption
EmitwiseLondonGreater LondonAI platform for measuring greenhouse gas emissions
EMSOLLondonGreater LondonPinpoints polluting vehicles in real time
ESG BookLondonGreater LondonCloud platform makes ESG data accessible and transparent
EtopiaLondonGreater LondonIntelligent technologies for sustainable construction
ExagenLondonGreater LondonUtility scale solar farms co-located with grid-balancing battery storage facilities
Foodsteps LtdLondonGreater LondonPlatform for discovering, labelling & reducing environmental footprint of food
FuturePlusLondonGreater LondonSustainability management and reporting platform
GikiLondonGreater LondonCarbon calculator & gamification toolkit for improving sustainability
GreyparrotLondonGreater LondonAutomated waste monitoring system
Grid EdgeBirminghamMidlandsDigital twin tech to improve sustainability of buildings
HarkLeedsYorks & HumberEnergy analytics and industrial IoT
HeatioLiverpoolNorth WestHome energy management system
HectareCoshamSouth EastDigital solutions connecting critical parts of the food supply chain
Highview PowerLondonGreater LondonRenewable power stations providing constant source of energy
HiiROCHullYorks & HumberPlasma torch technology for production of hydrogen from biomethane, flare gas and natural gas
HIT Energy ServicesLincolnMidlandsRemote monitoring and maintenance of solar power installations
Hoxton FarmsLondonGreater LondonProducer of meat-free cultivated fat
IceotopeSheffieldYorks & HumberSustainable immersion cooling solutions for data centres and enterprises
Insig AILondonGreater LondonEnvironmental, social and governance data solutions including disclosure research tool
Integrated Environmental SolutionsGlasgowScotlandSustainable analysis tech for buildings
IntellidigestEdinburghScotlandConverts food waste into climate-friendly chemicals
Intelligent Growth SolutionsDundeeScotlandTech for vertical farming industry
IPGLondonGreater LondonGreen replacement for diesel generators in difficult-to-decarbonise industries
Kelda TechnologySouthamptonSouth EastSmart shower tech to save water
Kerbo ChargeLondonGreater LondonHome charging solution for EV owners with street parking
Kew TechnologyBirminghamWest MidlandsSustainable energy solutions
LettUs GrowBristolSouth WestAeroponic technology for indoor farms
LevidianCambridgeEast of EnglandDecarbonises methane by cracking it into graphene & hydrogen, supporting industrial decarbonisation
LITTALondonGreater LondonOn-demand ethical waste removal tech platform
LoweConexLisburnNorthern IrelandCloud-based IoT software platform & hardware solution enabling retailers to implement intelligent automation
MacReburWaterbeckScotlandCreates asphalt for road surfaces from waste plastics
MatterBristolSouth WestPioneering plastic capture in world's oceans
measurable.energyReadingSouth EastHardware & software to eliminate wasted energy in buildings
Metris EnergyLondonGreater LondonPlatform for deployment of solar energy on commercial buildings
Mission Zero TechnologiesLondonGreater LondonRemoves CO2 directly from the atmosphere around us
Mocean EnergyEdinburghScotlandWave energy technology pioneer
Modo EnergyBirminghamWest MidlandsData analysis platform for energy companies
Naked EnergyCrawleySouth EastBehind pioneering hybrid solar collector technology
Net PurposeLondonGreater LondonIndependent fact-base platform for sustainable investors
Nossa DataLondonGreater LondonPlatform for ESG data analytics, management & reporting
Nova Pangaea TechnologiesMiddlesbroughNorth EastConverts woody & agricultural residues into sustainable aviation fuel & range of biochemicals
Octopus EnergyLondonGreater LondonReal-time data analytics for energy tariffs
OlioLondonGreater LondonApp for sharing food leftovers from cafes and local shops to reduce waste
Ondo InsurTech PlcLondonGreater LondonBehind smart LeakBot technology to detect water leaks
OxwashOxfordSouth EastSustainable laundry service using water-saving ozone technology
PavegenCambridgeEast of EnglandPavement tech converting footsteps into energy, data and rewards
PIN IoTLiverpoolNorth WestWaste container tracking solution
Plastic EnergyLondonGreater LondonChemical recycling of plastics
PolymateriaLondonGreater LondonBiodegradable solution for conventional plastic packaging
PowerMarketOxfordSouth EastSolar lifecycle management tool
ProvenanceLondonGreater LondonMarketing tech help shoppers choose proof-backed sustainable products
PulsiVPlymouthSouth WestIntelligent tech to improve energy efficiency of semiconductor devices
QflowBathSouth WestIoT and AI to manage social and environmental impact of construction
QiO TechnologiesFarnboroughSouth EastSustainability AI startup helping energy-intensive businesses reduce greenhouse gas emissions
QLM TechnologyCardiffWalesLiDAR (laser imaging, detection, and ranging) quantum camera to accurately quantify greenhouse gas emissions
RecycleyeLondonGreater LondonAI and robotics enabling businesses to profit from waste streams
Ripple EnergyLondonGreater LondonCo-operative ownership of wind farms to access clean energy
RisilienceCambridgeEast of EnglandClimate risk science for global enterprises
Roslin TechnologiesEdinburghScotlandAgriTech and animal health solutions
RouteZeroBristolSouth WestDigital tools to help corporations accelerate decarbonisation in travel
Salinity SolutionsCoventryWest MidlandsIndustrial water treatment
SATAVIACambridgeEast of EnglandMaking aviation greener with AI & atmospheric science
Save Your WardrobeLondonGreater LondonDigital wardrobe for sustainable fashion
SEaB EnergyLondonGreater LondonGenerates clean energy from organic waste
ShellworksLondonGreater LondonCompostable alternative to plastic packaging
Smarter Grid SolutionsGlasgowScotlandPlatform allowing utilities to deliver net-zero emission electricity
Solar PolarPeterboroughEast of EnglandSolar cooling technology for air-conditioning and refrigeration
SourcefulManchesterNorth WestPlatform using data to help companies source eco-friendly products
Space IntelligenceEdinburghScotlandTurns satellite data into actionable information for protection of nature
SteamacoManchesterNorth WestEnergy tech firm working on smart meter and Internet of Things technology
StoreggaLondonGreater LondonDirect carbon dioxide capture & storage solutions
SunswapLondonGreater LondonZero-emission transport refrigeration powered by solar
SupercriticalLondonGreater LondonPlatform to measure, reduce and offset a business's climate impact
SustainIQBelfastNorthern IrelandIntegrated ESG & sustainability reporting software
SylveraLondonGreater LondonAccurate carbon project data and ratings
tepeoWokinghamSouth EastZero-emission boiler
TeselLondonGreater LondonPlatform for businesses to connect with ESG assessors and partners
The Modern MilkmanColneNorth WestApp for delivery of locally-sourced groceries with reusable packaging
thelittleloopLondonGreater LondonCircular platform for kids' clothes
TopolyticsEdinburghScotlandLive data analytics for waste producers and recycling companies
TreeferaLondonGreater LondonSupports businesses and organisations to analyse, evaluate and report on nature-based solutions
UrbanChainManchesterNorth WestEnergy market for renewables
UrbanTideGlasgowScotlandAI software to identify homes with poor energy efficiency
Vertical FutureLondonGreater LondonHardware & software for vertical farming
WASEBristolSouth WestConverts wastewater into renewable energy
WhitefoxLondonGreater LondonMembrane solutions to reduce energy consumption, water usage & greenhouse gas emissions in industry
WinnowLondonGreater LondonDigital tools to help chefs reduce food waste
Worn Again TechnologiesLondonGreater LondonPolymer recycling tech for textiles
XamplaCambridgeEast of EnglandPlant protein-based alternative to plastic
ZedibleBristolSouth WestShows what is driving carbon in your food and drink purchases