Green Angel Ventures

3ti builds smart solar EV charging infrastructure that combines solar generation, battery storage, and intelligent energy management, including its HALO FastHub hubs that can be installed in a day without new grid connections.

CleantechEnergyMobility & Transportation

AirEx makes Floorvent, a smart underfloor ventilation and draught-proofing product that reduces heat loss through suspended floors, improving SAP scores and EPC ratings.

CleantechClimate TechEnergyIoTPropTech

ACAgnes Czako(Founder and CEO)in

Co-investorsSUSustainable VenturesBRBritish Business BankBABayes Entrepreneurship FundONOne Planet Capital

Albotherm develops a heat-activated coating for adaptive glazing that changes transparency in response to temperature, validated in commercial greenhouse trials and in development for the built environment, energy, and mobility surfaces.

AgTechCleantechClimate TechDeep TechNew MaterialsBristol, GB

SFSiân Fussell(Co-founder & CTO)inMolly(Co-founder & CEO)

Co-investorsINInnovate UKCACambridge Angels groupOXOxford Investment Opportunity Network (OION)SUSustainable VenturesBRBristol Private Equity ClubSESeedrs

Anzen develops thermoelectric heating, cooling, and ventilation technology for residential buildings to reduce carbon emissions cost-effectively.

CleantechClimate TechEnergyHardware

MRMichael Reid(CTO)

BoardSaffa Riffat(President of World Society of Sustainable Energy)

Co-investorsONOne Planet CapitalSUSustainable VenturesANAndreessen HorowitzCRCreator FundLOLocalGlobeSASandbox Industries

Green Angel Ventures is an FCA-regulated investment firm managing the Climate Change Fund, an S/EIS Alternative Investment Fund that invests in early-stage climate-focused ventures on behalf of professional investors.

London, GB

Arda engineers plastic-free materials from spent grain sourced from brewers and distillers, using protein hierarchies and nontoxic chemistry.

Advanced ManufacturingBiotechCircular EconomyNew MaterialsLondon, GB

BCBrett Cotten(CEO)inETEdward TJ Mitchell(CTO)in

Co-investorsCRCreative Destruction Lab (CDL)ENEntrepreneur FirstOYOyster Bay Venture CapitalSASatganaSESerpentine VenturesCLClean Growth Fund+1 more

BetterPoints builds behaviour change technology that combines recognised behaviour change techniques with an app and platform to baseline, stimulate and measure greener and healthier travel and activity habits.

Climate TechFuture of WorkHealthtechSaaSWellness & Fitness

Co-investorsBABayes Entrepreneurship Fund

BetterPoints provides a behaviour change platform and app that uses reward incentives and behavioural science to encourage healthier and more sustainable travel choices such as walking, cycling and public transport.

Climate TechMobility & TransportationSaaS

BuyMeOnce is an online store that curates and sells long-lasting, durable kitchenware, homeware, bedding, and other household products from various brands, aimed at consumers who want to avoid planned obsolescence.

Circular EconomyConsumerE-commerce

Carbogenics produces biochar from organic waste such as secondary biomass and difficult-to-recycle paper for use in anaerobic digestion, wastewater treatment, soil amendment, and carbon sequestration.

AgTechBiotechCircular EconomyCleantechClimate TechNew MaterialsEdinburgh, GB

Anthony Schofield(Chair of the Carbogenics Board)Robert Kennedy(CEO)Professor Ed Craig(CEO)

Co-investorsDADangerous Ventures

Carbon Cell is a team of designers, engineers, and scientists developing sustainable materials aimed at reducing plastic use and carbon emissions.

Circular EconomyCleantechClimate TechDeep TechNew Materials

ELElizabeth Lee(CEO)inEHEden Harrison(COO)inOBOri Blich(CPO)in

Co-investorsCACarbon13COCounteract OneCRCreative Destruction Lab (CDL)INInnovate UK Investor PartnershipsONOne Planet CapitalCOCounteract+1 more

Coolrun develops technology and sustainable solutions for the global food logistics industry, focusing on reducing emissions and improving efficiency in cold chain operations.

CleantechClimate TechIoTLogistics & Supply Chain

BoardHugh Frost(Chairman)

Co-investorsCACarbon13

DeKiln develops low-carbon tiles made from 95% recycled content and cured at low temperatures, aimed at reducing the CO2 footprint of the tile manufacturing industry.

CleantechClimate TechNew Materials

DEScycle operates a circular technology platform focused on critical minerals processing, with a demonstration facility in Teesside, UK.

Advanced ManufacturingCircular EconomyCleantechDefense TechNew MaterialsTeesside, GB

Co-investorsBUBusiness Growth FundCICisco InvestmentsDEDeep FutureKEKero Development PartnersTSTSP VenturesVOVorwerk Ventures

enee.io provides plug-and-play sensors and software to monitor energy assets such as generators, solar, batteries, and grid supply, giving businesses real-time insights to cut costs and improve operations.

CleantechEnergyIoT

Glaia develops technology that improves plant photosynthesis efficiency to increase crop yields without adding more agricultural inputs.

AgTechAI & Machine Learning

Dr David Benito(Founder & Chief Executive Officer)DIDr Imke Sittel(Founder & Chief Scientific Officer)

Co-investorsTHThe Yield Lab EuropeTHThe Yield Lab

Greenpixie provides emissions measurement and cloud sustainability services to engineering teams, helping them reduce waste and improve efficiency in cloud operations.

AI & Machine LearningCleantechClimate TechCloud Computing

JRJohn Ridd(Founder)in

Co-investorsASAscensionOCOctopus VenturesBEBeringea

Halocycle uses microwave processing technology to chemically recycle chlorine-containing plastics such as PVC and PVDC, converting waste plastic into platform chemicals that can be reused in polymer production.

Circular EconomyCleantechNew MaterialsHull, GB

Co-investorsSFSFC Capital

heata runs compute workloads such as 3D rendering, CFD, finite element analysis and climate modelling on units installed in homes, using the servers' waste heat to provide free hot water to households.

CleantechClimate TechCloud Computing

Co-investorsSUSustainable Ventures

Highlands Rewilding manages owned and leased land in the Scottish Highlands to restore nature, increase carbon sequestration and biodiversity, and generate profit, using natural-capital data collection to underpin investable carbon and biodiversity credit schemes.

AgTechClimate TechImpact & Social Good

JLJeremy Leggett(Founder & CEO)

Kelpi makes a biodegradable, recyclable barrier coating derived from sustainably-farmed seaweed and vegetable oils, applied to paper, card and fibre packaging as an alternative to plastic.

Circular EconomyCleantechNew Materials

Co-investorsBLBlackfinch VenturesMOMoonstone Venture CapitalONOne Planet Capital

Lineat develops advanced fibre-forming technology (AFFT) for manufacturing recycled carbon fibre products, including sporting equipment.

Advanced ManufacturingCircular EconomyDeep TechNew MaterialsBristol, GB

Dr. Lourens Blok(CTO, Co-founder)GOGary Owen(CEO)inLCLuis Cunha(Director of Engineering)in

Co-investorsFUFuture Planet CapitalONOne Planet CapitalOXOxford Investment Opportunity Network (OION)UKUK Innovation & Science Seed Fund

Low Carbon Materials develops high-performance materials for the construction industry designed to reduce carbon emissions.

CleantechConstruction TechNew Materials

Co-investorsNONorthstar VenturesADAda Ventures

measurable.energy analyzes appliance-level power usage from existing smart sockets to measure real desk, room and zone utilization in commercial buildings, giving facilities and workplace teams occupancy insight without installing additional sensors.

CleantechEnergyIoTPropTech

Dan(Co-founder & CEO)Josh(Co-founder)

Co-investorsMMMMC VenturesCLClean Growth Fund

MHOR Energy develops long-duration flow battery systems for energy storage, offering bespoke solutions that can be scaled to specific power and energy requirements.

CleantechEnergyHardware

Molymem develops membrane technologies based on 2D materials to address water and air filtration challenges.

CleantechDeep TechNew MaterialsManchester, GB

MBMark Bissett(Academic Co-founder)inRDRobert Drye(Co-founder)RDRobert Dryfe(Founder & CSO)inRGRay Gibbs(CEO)inPWPaul Wiper(COO)in

Co-investorsCACambridge Angels groupGCGC Angels

MyKor is a female-founded company with a team experienced in construction, manufacturing, materials science, engineering and biotechnology.

BiotechCircular EconomyConstruction TechNew Materials

Valentina D.(Founder)in

Co-investorsCLClean Growth FundHEHEC Paris IncubatorSUSustainable VenturesTHThe FSE GroupRURumbo Ventures

NatureSpace Partnership offers newt licensing schemes as an alternative to the traditional great crested newt licensing system, reducing the need for newt surveys and funding a landscape-level conservation strategy.

Climate TechConstruction TechImpact & Social Good

NatureMetrics provides a nature risk screening platform that assigns every site in a portfolio a 0–1 risk score based on ecosystem condition, business dependencies on nature, and environmental impact, helping organizations across mining, energy, infrastructure, agriculture, and financial services identify and manage biodiversity-related threats to permits, financing, and operations.

AgTechAI & Machine LearningData & InfrastructureEnterprise SoftwareImpact & Social GoodLondon, GB

DKDr. Kat Bruce(Founder Director)

Co-investorsCACarbonANAnanda Impact VenturesBNBNP ParibasEDEDF Pulse Ventures

New Motion Labs is a mechanical engineering IP licensing company that develops and licenses its Enduo sprocket tooth profile to sprocket manufacturers, using dual-point tooth engagement to extend chain drive life and reduce energy losses.

Advanced ManufacturingCleantechDeep TechHardwareNew MaterialsExeter, GB

MFMarcel Fowler(CISO/Founder)inLLLucas Lobmeyer(Founder)inDMDamien Murphy(CEO)inMGMark Griffiths(CCO)inKWKate Willemite(CFO)

Co-investorsDEDeep Science VenturesOXOxford Investment Opportunity Network (OION)THThe FSE Group

PES Technologies develops a soil health sensor with a consumable design that uses machine learning to analyse soil, aimed at agriculture and sustainable land management.

AgTechAI & Machine LearningDeep TechHardwareDiss, GB

JBJim Bailey(Co-founder, CEO & CTO)APAndrej Porovic(Co-founder & Business Development Director)in

Co-investorsANAnglia Capital GroupDEDeep Science VenturesKEKero Development Partners

Piclo operates a marketplace platform connecting flexibility sellers (EV operators, battery providers, and distributed energy resource aggregators) with buyers (utilities, system operators, energy retailers) across the USA, Europe, and Australia.

B2B MarketplacesCleantechClimate TechEnergyMarketplaces

JJJames Johnston(Founder)in

Co-investorsBEBethnal Green VenturesCLClean Growth FundFUFuture Energy VenturesSUSustainable Future Ventures

Power Roll develops lightweight, flexible solar film technology that can generate electricity from surfaces such as rooftops and vehicle roofs previously unsuitable for conventional solar panels.

CleantechEnergyNew MaterialsUK, GB

NSNeil Spann(Managing Director)in

Co-investorsMAMaven Capital PartnersNONorth East Development Capital FundKEKero Development PartnersSHShackleton Ventures Ltd.SPSPWOne

Qflow provides an automated data collection and auditing platform that captures on-site construction data to help construction teams track and reduce waste, carbon, and their social and environmental impact.

Climate TechConstruction TechData & InfrastructureSaaSLondon, GB

BHBrittany Harris(Co-founder)inJCJade Cohen(Co-founder)in

Co-investorsASAscensionCOConduit ConnectENEntrepreneur FirstGRGreensoil PropTech VenturesGRGroundBreak VenturesMMMMC Ventures+8 more

QLM Technology develops a patented single-diode laser lidar system for continuous, low-cost detection and monitoring of methane and other greenhouse gas emissions.

CleantechDeep TechQuantum Computing

XAXiao Ai(Founder)inPaul Hughes(CEO)inChris Wardle(Chief Manufacturing Officer)in

BoardBernie Bulkin(Chairman)

Co-investorsSESeraphim Space

Salvalco develops a nitrogen-powered aerosol valve that lets consumer brands reduce or remove hydrocarbon propellants from their products while keeping spray performance.

CleantechHardwareNew Materials

Co-investorsBEBeiersdorf Innovation FundGRGrowthdeckOSOscar & Paul Beiersdorf Venture Capital

The Scottish Bee Company produces pure Scottish honey, including an award-winning heather honey harvested from Scottish moors, sold direct to consumers alongside recipes and a podcast.

Direct to ConsumerE-commerceFoodTech

Sention Technologies provides measurement and data solutions for battery development and manufacturing, using ultrasound, X-ray computed tomography, and electrochemical testing combined with AI to improve battery quality, efficiency, and safety.

AI & Machine LearningDeep TechEnergyLondon, GB

Co-investorsENEndgame CapitalENEnergy Revolution VenturesFUFuture Planet CapitalTWTwin Path VenturesUKUK Innovation & Science Seed FundTHThird Sphere

Smile Plastics (Smile Materials) makes recycled panel materials and solid surfaces for commercial interiors, turning waste streams such as plastics and reclaimed solid surface into durable panels for worktops, vanities, furniture and joinery.

Advanced ManufacturingCircular EconomyNew Materials

Vehicle-licensing platform that automates licence renewals for individuals and businesses in Cape Town and Gauteng.

Co-investorsDADazzle AngelsANAntlerBEBEENEXTCOConduit ConnectNBNB VenturesPIPi Labs+2 more

StormHarvester provides AI-based, real-time analysis of rainfall and wastewater networks to help water utilities, municipalities, and environmental agencies shift from reactive to proactive network management.

AI & Machine LearningCleantechClimate TechIoTBelfast, GB

BMBrian Moloney(CEO & Founder)in

Co-investorsTETechstart VenturesCLClarendon Fund Managers Ltd.EMEmerald Technology Ventures AgYFYFM Equity Partners

Swytch designs and manufactures electric-bike conversion kits that enable riders to retrofit existing bicycles with electric assistance technology.

Climate TechConsumerHardwareMobility & Transportation

Co-investorsONOne Planet CapitalCRCrowdcubeSFSFC CapitalSTStartup Funding Club

GreenSpur Wind Ltd designs Axial Flux Permanent Magnet Generators (AF PMGs) primarily for wind energy applications, offering designs from kW to multi-MW sizes using either ferrite or rare earth magnets.

CleantechEnergyHardware

BYOHM develops bioelectrochemical systems that extract hydrogen and biomethane from wastewater and organic waste, generating net energy positive treatment with up to 10x more energy output than input.

BiotechCleantechEnergy

Co-investorsTSTSP Ventures

Zeigo provides digital software tools that help businesses reduce carbon emissions, connect with peers and solution providers, buy renewable energy, and decarbonize their supply chains (scope 3 emissions).

CleantechClimate TechSaaS

Juan Pablo Cerda(Founder)in

Co-investorsSUSustainable VenturesUPUpscale