119 Best UK Climate Tech & Green Tech Startups to Watch in 2023 | Seedtable

119 Climate Tech & Green Tech Startups in UK to Watch in 2023

UK's Climate Tech & Green Tech sector is booming. This year’s list of the best 119 UK Climate Tech & Green Tech startups is an eclectic mix of hyper-growth scaleups, small creative startups and everything in between.

The last update was made on March 14, 2023.

Curated by @gonsanchezs

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Motorway

Motorway is an online used-car marketplace connecting people selling their car with a network of verified car dealers

London   101 to 250   $280 Million   $14 Million  

Index Ventures   Local Globe   Latitude   BMW i Ventures  

B2B   B2C   MARKETPLACE  

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Brilliant Planet

Brilliant Planet is a nature-based carbon capture and storage company.

London   11 to 50   $27 Million   $12 Million  

Union Square Ventures   Future Positive Capital   Haatch  

B2B  

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Wefarm

Wefarm is a farmer-to-farmer digital network that enables users to share information via SMS.

London   101 to 250   $32 Million   $13 Million  

True Ventures   Local Globe   Norrsken VC   Octopus Ventures  

B2B   MARKETPLACE  

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Altruistiq

Altruistiq provides a platform that enables enterprises to automate sustainability data measurement, management, and exchange.

London   11 to 50   $18 Million   $18 Million  

Molten Ventures   Norrsken VC  

B2B   SAAS  

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TrueCircle

TrueCircle is building a marketplace to support waste processing facilities in selling the verified material they reclaim.

London   11 to 50   $5.5 Million   $5.5 Million  

Lowercarbon Capital   Giant Ventures   Firstminute Capital   Passion Capital  

B2B   SAAS   MARKETPLACE  

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Net Purpose

Net Purpose is the world's first data provider to make impact measurement effortless for investors: who invest for profit and purpose

London   11 to 50   $11 Million   $2.5 Million  

Atomico   ETF Partners   Illuminate Financial  

B2B   SAAS  

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Olio

OLIO is a global food sharing app connecting neighbors, volunteers, and businesses.

London   11 to 50   $53 Million  

Accel   Octopus Ventures   Norrsken VC   VNV Global  

B2B   FREEMIUM  

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Puraffinity

Puraffinity develops precision materials to target chemicals, with an initial focus on PFAS in water

London   11 to 50   $7.4 Million   $3.6 Million  

Kindred Capital   Verve Ventures  

B2B  

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Circulor

Circulor is a blockchain sustainability company that offers traceability-as-a-service and supply chain solutions for manufacturers.

London   51 to 100   $45 Million  

Future Positive Capital   SYSTEMIQ   Plug and Play Spain  

B2B   SAAS  

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Octopus Energy

Octopus Energy builds technology that reduces the cost of energy to improve the customer experience.

London   1001 to 5000   $2.1 Billion   $250 Million  

B2B  

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Tulipshare

Tulipshare is the first activist investment platform, with a focus on impactful project to make this planet better.

London   11 to 50   $12 Million   $1 Million  

Speedinvest   Eurazeo  

B2B   B2C   MARKETPLACE  

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Octopus Energy

Octopus Energy builds technology that reduces the cost of energy to improve the customer experience.

London   1001 to 5000   $2.1 Billion   $250 Million  

B2B  

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Arrival

Arrival is a developer and manufacturer of zero-emission, public transportation vehicles.

London   1001 to 5000   $630 Million   $110 Million  

B2B  

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Supercritical

Supercritical is a software platform that helps businesses reach carbon net zero and tackle the climate crisis.

London   1 to 10   $2.8 Million   $2.8 Million  

Local Globe  

B2B   SAAS  

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Shellworks

Shellworks is a biotech startup on a mission to make plastic waste a thing of the past.

London   1 to 10   $7.6 Million   $820 Thousand  

Local Globe   Atomico   Ascension Ventures   BoxGroup  

B2B  

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Foodsteps

Foodsteps is a london-based startup that has developed a platform to help the food sector reduce its carbon footprint.

London   11 to 50   $4.8 Million   $4.1 Million  

Ascension Ventures   Octopus Ventures   Metaplanet Holdings  

B2B   SAAS  

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Greyparrot

AI-based computer vision solutions to power next generation robotics and smart systems for the waste management industry.

London   1 to 10   $3.6 Million   $1.5 Million  

Speedinvest   Plug and Play Spain   Force Over Mass Capital   Una Terra   360 Capital  

B2B  

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Tulipshare

Tulipshare is the first activist investment platform, with a focus on impactful project to make this planet better.

London   11 to 50   $12 Million   $1 Million  

Speedinvest   Eurazeo  

B2B   B2C   MARKETPLACE  

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Recycleye

Recycleye is a developer of digital tools designed to detect and provide analytics on waste management.

London   11 to 50   $6.4 Million   $1.6 Million  

Playfair Capital   MMC Ventures   Creator Fund  

B2B  

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Minimum

Minimum has developed an Enterprise-grade climate impact modelling system, specializing in serving large, complex, distributed enterprises.

London   11 to 50   $2.7 Million   $130 Thousand  

Y Combinator   Plug and Play Spain   Octopus Ventures   Dutch Founders Fund  

B2B   SAAS  

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Bonnet

The most user-friendly way to charge your car anywhere

London   1 to 10   $6.6 Million  

Lightspeed Venture Partners   APX   20VC   GV   Ascension Ventures  

B2B   B2C   MARKETPLACE  

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Clim8 Invest

Clim8 Invest provides an app that allows individuals to invest in industries that work towards fighting climate change.

London   11 to 50   $18 Million   $8 Million  

7percent Ventures  

B2B  

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Clim8 Invest

Clim8 Invest provides an app that allows individuals to invest in industries that work towards fighting climate change.

London   11 to 50   $18 Million   $8 Million  

7percent Ventures  

B2B  

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Connect Earth

Connecting carbon data to drive sustainable finance

London   11 to 50   $1.8 Million   $1.7 Million  

Entrepreneur First   Plug and Play Spain   Market One Capital   Venista Ventures  

B2B   SAAS  

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Too Good To Go

Too Good To Go develops an app for fighting food waste and saving delicious food.

London   501 to 1000   $46 Million   $6.8 Million  

B2B  

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Emitwise

Emitwise is an AI-powered carbon management platform that helps businesses in tracking and managing their carbon footprint.

London   11 to 50   $17 Million  

True Ventures   Outsized Ventures  

B2B   SAAS  

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OneFarm

OneFarm aimed at countering the upcoming global food crisis by bringing together the best urban food technologies.

London   1 to 10   $8.7 Million   $8.7 Million  

B2B  

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Concirrus

Concirrus support digital transformation of the specialty insurance industry using the latest developments in technology.

London   101 to 250   $40 Million   $6 Million  

CommerzVentures  

B2B   SAAS  

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Notpla

Notpla is a sustainable packaging start-up that develops a material derived from seaweed and plants.

London   11 to 50   $21 Million   $5.2 Million  

Astanor Ventures   DOEN Participaties  

B2B  

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Worn Again

Worn Again is a textile to textile recycling technology that can separate and recapture polyester and cotton from discarded.

London   11 to 50   $16 Million   $9 Million  

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Itero

Itero creates profitable waste management solutions.

London   11 to 50   $6.1 Million   $6.1 Million  

B2B  

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Seabound

Seabound is a carbon capture technology company.

London   1 to 10   $4.4 Million  

Lowercarbon Capital   Y Combinator   Rebel Fund  

B2B   SAAS  

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FINDS

FINDS is a unique, video & live streaming marketplace app for the next generation to buy and sell fashion.

London   1 to 10   $820 Thousand   $820 Thousand  

Atomico   Ada Ventures  

B2B   B2C   MARKETPLACE  

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Polymateria

Polymateria is a London-based startup advancing science to help nature deal with plastic pollution.

London   11 to 50   $19 Million   $19 Million  

B2B  

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Ecologi

Ecologi plant trees & fund the world’s best climate crisis solutions.

Andover   1 to 10   $10 Million   $5.6 Million  

General Catalyst   Entrée Capital  

B2B   B2C   SAAS   MARKETPLACE  

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Ecolibrium

ML technology to plan and operationalize Sustainability & Net Zero Carbon ambitions; balancing People, Planet & Profit.

London   51 to 100   $9.2 Million   $5 Million  

B2B  

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Oddbox

Oddbox is a provider of fruit and veg box delivery service intended to reduce food waste.

London   51 to 100   $26 Million   $3.7 Million  

B2B   B2C  

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Cudoni

Europe's only full-service luxury resale platform. Effortlessly buy and sell authentic designer items at up to 90% off retail price.

London   51 to 100   $8.5 Million   $5.9 Million  

B2C   MARKETPLACE  

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WeVee

WeVee is a fully integrated electric vehicle price comparison and leasing platform.

London   51 to 100   $9.1 Million   $6.9 Million  

B2C  

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Iduna

Iduna is an innovative car charging scheme.

London   1 to 10   $5.6 Million   $5.5 Million  

B2B   B2C  

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Iduna

Iduna is an innovative car charging scheme.

London   1 to 10   $5.6 Million   $5.5 Million  

B2B   B2C  

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Provenance

Provenance is the leading software solution for sustainability communications

London   11 to 50   $6.5 Million   $5.6 Million  

B2B   SAAS  

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Piclo

Piclo develop software to make our electricity grids smart, flexible and sustainable.

London   11 to 50   $11 Million   $6.6 Million  

B2B   MARKETPLACE  

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Again

Again is building a decentralised network of automated, micro-cleaning facilities called CleanCell.

London   1 to 10   $3.3 Million   $3.4 Million  

Eka Ventures  

B2B  

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Agrivi

AGRIVI is a global agritech company with the market leading farm management software

London   11 to 50   $7.3 Million   $4.8 Million  

AgriTech Hub  

B2B   SAAS  

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Altroleum

Software for the energy transition

London   1 to 10   $0   $100 Thousand  

Entrepreneur First   Ascension Ventures  

B2B   SAAS  

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Arborea

Arborea is industrialising photosynthesis to expand the world’s food supply

London   1 to 10   $6.1 Million   $4.1 Million  

Business Growth Fund  

B2B  

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Breathe Battery Technologies

Breathe Battery Technologies is a developer of electric vehicle battery charging control software for automotive manufacturers.

London   1 to 10   $2 Million   $2 Million  

Speedinvest  

B2B   SAAS  

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By Rotation

The World's First Social Fashion Rental App.

London   1 to 10   $3.8 Million   $3.4 Million  

B2C   MARKETPLACE  

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HumanForest

HumanForest is a dockless, shared, and ad-supported e-bike service company.

London   11 to 50   $7.3 Million   $2.4 Million  

B2C   SAAS  

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Ionate

IONATE is a technology company developing next-generation Hybrid Intelligent Transformers.

London   1 to 10   $4 Million   $4 Million  

IQ Capital Partners  

B2B  

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Plastic Energy

Plastic Energy offers a global and sustainable solution to prevent plastic pollution.

London   51 to 100   $170 Million  

B2B  

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Save Your Wardrobe

FashionTech startup using AI to make Fashion more digital and sustainable

London   11 to 50   $3 Million   $3 Million  

B2C  

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Solivus

Powering mega-buildings and homes with clean energy generated on-site using new thin-film solar, overcoming weight and aesthetic challenges.

London   11 to 50   $8.3 Million   $3.3 Million  

B2B  

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Standard Gas

Standard Gas produce a high quality synthetic gas from a wide range of non recyclable waste feedstock.

London   11 to 50   $3 Million   $3 Million  

B2B  

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Libryo

Law as data, helping organisations know what their legal obligations are with a focus on ESG obligations data

London   51 to 100   $4.9 Million   $1.8 Million  

Force Over Mass Capital   Future Energy Ventures  

B2B   SAAS  

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Greenpixie

Greenpixie measures and understands cloud emissions and provides the tools to demystify the environmental impact of cloud computing.

London   1 to 10   $300 Thousand   $300 Thousand  

Ascension Ventures  

B2B   SAAS  

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Thallo

Thallo uses blockchain technology to revolutionize and democratize the way individuals and businesses buy, sell and trade carbon offsets.

London   1 to 10   $2.5 Million   $2.5 Million  

B2B   MARKETPLACE  

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Swytch

Instantly convert any bike into an eBike (electric bike)

London   1 to 10   $6.4 Million   $1 Million  

B2B   B2C  

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Pynk

Pynk is where everyday people invest better together.

London   11 to 50   $2.5 Million   $2.1 Million  

B2C  

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Nyobolt

Nyobolt is a developer of high-powered battery technology used to serve automotive applications.

Cambridge   11 to 50   $84 Million   $10 Million  

IQ Capital Partners  

B2B  

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Simply Blue Group

Simply Blue Group is a marine project developer focused on floating wind initiatives.

Cork   101 to 250   $0   $28 Million  

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YAYZY

APIs for retail banks and fintechs to enable carbon footprint tracking and offsetting within their mobile apps.

London   1 to 10   $1.8 Million   $150 Thousand  

Antler  

B2B   B2C  

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Verdn

Sustainability-as-a-Service for e-commerce

London   1 to 10   $0  

Y Combinator  

B2B   SAAS  

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Zeplug

Zeplug offers charging solutions for electric vehicles along with maintenance services.

Cambridge   51 to 100   $0   $6 Million  

B2B   B2C  

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ev.energy

Ev.energy is a smart charging software platform for electric vehicles to reduce carbon emissions and costs.

London   11 to 50   $14 Million  

Future Energy Ventures   Energy Impact Partners  

B2B   SAAS  

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WASE

WASE provides a decentralized sanitation system with the goal of accelerating the global adoption of circular waste treatment.

London   1 to 10   $920 Thousand   $1.3 Million  

B2B  

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KisanHub

KisanHub Agri-Food Supply Chain Software helps Producer Groups to transform their supply chains

Cambridge   11 to 50   $9.1 Million   $4.3 Million  

Notion Capital   IQ Capital Partners  

B2B   SAAS  

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Much Better Adventures

Much Better Adventures helps people organize their skiing, cycling, or road biking holiday directly with specialist independent operators.

London   1 to 10   $5.4 Million  

B2C  

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Expect

Expect is the decarbonisation management platform for large enterprises and heavy industries.

London   11 to 50   $870 Thousand   $870 Thousand  

B2B   SAAS  

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GeoSpock

GeoSpock builds GeoSpock DB, the unique space-time analytics database that delivers rapid insights at a fraction of the cost.

Cambridge   11 to 50   $38 Million   $5.4 Million  

Parkwalk Advisors  

B2B   SAAS  

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Vaarst

Vaarst develops robotic analytic solutions for marine applications.

Bristol   11 to 50   $20 Million   $20 Million  

B2B   SAAS  

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Oxwash

Oxwash is a provider of sustainable on-demand laundry and wet and dry cleaning services for all.

Oxford   51 to 100   $19 Million   $1.7 Million  

Ascension Ventures   TrueSight Ventures  

B2B   B2C  

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Brill Power

Brill Power is a clean-tech platform that develops cutting-edge battery management technology.

Oxford   11 to 50   $11 Million   $11 Million  

Oxford Science Enterprises  

B2B  

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Bageera

Unlocking investment opportunities to protect and restore nature

London   1 to 10   $690 Thousand   $690 Thousand  

B2B   B2C   MARKETPLACE  

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Fussy

Fussy is a sustainable personal care brand that creates plastic-free, compostable deodorants.

London   11 to 50   $2 Million   $610 Thousand  

B2C  

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eleXsys Energy

eleXsys Energy operates as a cleantech energy company.

London   51 to 100   $910 Thousand   $910 Thousand  

B2B  

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PF Nexus

Renewable energy & infrastructure deal origination platform

London   1 to 10   $700 Thousand  

Charlotte Street Capital  

B2B   MARKETPLACE  

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PF Nexus

Renewable energy & infrastructure deal origination platform

London   1 to 10   $700 Thousand  

Charlotte Street Capital  

B2B   MARKETPLACE  

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PF Nexus

Renewable energy & infrastructure deal origination platform

London   1 to 10   $700 Thousand  

Charlotte Street Capital  

B2B   MARKETPLACE  

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eleXsys Energy

eleXsys Energy operates as a cleantech energy company.

London   51 to 100   $910 Thousand   $910 Thousand  

B2B  

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Earth Rover

Developing precision farming robots, enabling farmers to bridge the gap between today's farming to the autonomous farm of the future.

London   11 to 50   $600 Thousand   $320 Thousand  

B2B  

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Ripple Energy

Ripple Energy is to make clean energy ownership affordable and accessible for everyone.

London   11 to 50   $1.4 Million   $1.1 Million  

B2B  

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Naked Energy

Naked Energy has developed an innovative hybrid solar technology generating combined heat and power.

London   1 to 10   $0   $1.2 Million  

Nesta  

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Untap

Untap Water provides wastewater data to support community health.

London     $0   $1.3 Million  

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Climate Edge

Climate Edge is cloud based software for farmers that helps in developing agriculture, SMS, smallholders, and small holders agriculture.

London   1 to 10   $500 Thousand   $500 Thousand  

B2B   SAAS  

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Airex

Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms.

London   1 to 10   $740 Thousand   $640 Thousand  

B2B  

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Heimdal

Heimdal is developing profitable direct air carbon capture engineering.

Oxford   1 to 10   $11 Million   $6.4 Million  

Y Combinator   Metaplanet Holdings  

B2B  

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Heimdal

Heimdal is developing profitable direct air carbon capture engineering.

Oxford   1 to 10   $11 Million   $6.4 Million  

Y Combinator   Metaplanet Holdings  

B2B  

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Kiri Technologies

Kiri aims to accelerate the adoption of sustainable behaviors by incentivizing individuals and brands that behave sustainably.

London   11 to 50   $800 Thousand  

B2B   MARKETPLACE  

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Diode

Electric vehicle suitability, infrastructure recommendations, and charge point procurement for businesses of all shapes and sizes.

London     $190 Thousand  

NorthInvest   Haatch  

B2B  

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Kiri Technologies

Kiri aims to accelerate the adoption of sustainable behaviors by incentivizing individuals and brands that behave sustainably.

London   11 to 50   $800 Thousand  

B2B   MARKETPLACE  

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Rubies in the Rubble

Rubies in the Rubble is a sustainable food brand, making high quality relishes and jams out of surplus supplies.

London   1 to 10   $190 Thousand  

B2B   B2C  

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Pure Electric

Pure Electric develops category defining and award winning e-scooters from its in-house engineering team. Based in Bristol, UK

Bristol   101 to 250   $2.6 Million   $1.9 Million  

B2B   B2C  

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Connected Energy

A pioneer of 2nd life electric vehicle battery based energy storage systems.

Newcastle   11 to 50   $31 Million   $820 Thousand  

B2B  

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Connected Energy

A pioneer of 2nd life electric vehicle battery based energy storage systems.

Newcastle   11 to 50   $31 Million   $820 Thousand  

B2B  

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Connected Energy

A pioneer of 2nd life electric vehicle battery based energy storage systems.

Newcastle   11 to 50   $31 Million   $820 Thousand  

B2B  

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Connected Energy

A pioneer of 2nd life electric vehicle battery based energy storage systems.

Newcastle   11 to 50   $31 Million   $820 Thousand  

B2B  

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Impact Recycling

Impact Recycling has developed a breakthrough plastic recycling technology which separates the components of mixed plastic waste.

Newcastle   1 to 10   $5.8 Million   $2.6 Million  

B2B  

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Modo Energy

Modo Energy is an energy asset analysis platform that provides users with data, research and benchmarking tools for energy storage.

Birmingham   11 to 50   $3.9 Million   $3.9 Million  

Triple Point Ventures  

B2B   SAAS  

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Azuri Technologies

Azuri brings affordable solar power to off-grid rural africans.

Cambridge   101 to 250   $54 Million  

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Echion Technologies

Echion Technologies develops superfast-charging Li-ion batteries

Cambridge   1 to 10   $18 Million   $2 Million  

Parkwalk Advisors  

B2B  

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Bright Biotech

A contract manufacturing and development company that specialises in plant-based expression is called Bright Biotech.

Manchester   1 to 10   $0   $3.2 Million  

Food Labs   CPT Capital  

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Reactive Technologies

Reactive Technologies delivers the world’s most accurate grid measurement tools, making renewable grids possible.

Oxford   11 to 50   $15 Million  

Breakthrough Energy Ventures   Business Growth Fund  

B2B  

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Phase Biolabs

We make carbon neutral chemicals from carbon dioxide using fermentation.

Nottingham   1 to 10   $0   $500 Thousand  

Y Combinator  

B2B  

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EcoSync

EcoSync offers an intelligent platform which helps commercial buildings to stop heating empty rooms and reduce energy consumption by 30-50%

Oxford   1 to 10   $2.9 Million  

B2B   SAAS  

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Naturbeads

Naturbeads is scaling up the technology to manufacture cellulose beads and replace plastic microbeads intentionally added to many products

Bath   11 to 50   $1.3 Million   $160 Thousand  

B2B  

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Upside Energy

Upside Energy reduces greenhouse gases by enabling people to make smart choices about when to use energy.

Manchester   11 to 50   $8.3 Million  

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LettUs Grow

LettUs Grow design aeroponic irrigation and control technology for vertical farms.

Bristol   11 to 50   $4.4 Million  

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Cquestr8

Cquestr8 is an accelerated weathering company that helps decarbonize cement, lime and steel production and reduce ocean acidification.

Durham   1 to 10   $300 Thousand   $300 Thousand  

B2B  

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Grid Edge

Grid Edge offers artificial intelligence, energy optimisation, and building energy management services.

Birmingham   11 to 50   $2.9 Million  

B2B   SAAS  

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Kelpi

A sustainable biotech start-up bio-refining seaweed to make bioplastic packaging that is marine-safe and home-compostable

Bath   1 to 10   $440 Thousand   $440 Thousand  

B2B  

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Green Energy Options

Green Energy Options designs and produces in-home energy displays, online energy services, and mobile applications.

Cambridge   51 to 100   $7.8 Million  

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Grid Edge

Grid Edge offers artificial intelligence, energy optimisation, and building energy management services.

Birmingham   11 to 50   $2.9 Million  

B2B   SAAS  

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SteamaCo

SteamaCo enables utilities to sell energy anywhere on the planet.

Manchester   11 to 50   $8.9 Million  

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Green Hydrogen

Green Hydrogen / GH2 Fuels, GH2 Energy and GH2 Systems

Cardiff   11 to 50   $0  

Nordic Alpha Partners  

B2B  

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Green Hydrogen

Green Hydrogen / GH2 Fuels, GH2 Energy and GH2 Systems

Cardiff   11 to 50   $0  

Nordic Alpha Partners  

B2B  

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Ovon Home

We create stylish home automation, IoT devices that save energy and improve comfort. Globally active through Ovon Home and Ovon Technology.

Manchester   1 to 10   $830 Thousand  

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UrbanChain

Blockchain, AI, Renewables, Distributed Energy Management System, Peer-to-Peer Exchange System, Local Energy Market, Virtual Power Plants

Manchester   11 to 50   $1.8 Million  

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  • Paris
  • Raise
  • $125M
  • $169M
  • $100M
  • $59M
  • $500M
  • $250M
  • $15M
  • $100M
  • $50M
"

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