Sustainable Ventures — Full Portfolio

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-investorsBRBritish Business BankBABayes Entrepreneurship FundGRGreen Angel VenturesONOne Planet Capital

Forge Minerals converts carbon dioxide from biogenic emissions into high-purity magnesium carbonates using advanced chemical processes.

CleantechClimate TechNew MaterialsEdinburgh, GB

ISIan Spencer(Co-founder | CEO | Economist)inSPSylvain Petitgirard(Co-founder | CSO)inMVMatthew Vaughan(Co-founder | COO)in

Co-investorsONOne Planet CapitalOLOld College CapitalSCScottish EnterpriseCACarbon13

minimass™ is a patented family of prefabricated concrete structural elements (beams, frames and slabs) that combines 3D concrete printing with post-tensioned steel to cut material use, cost and embodied carbon versus conventional concrete or steel structures.

CleantechClimate TechConstruction Tech

ACAndy Coward(Founder & CEO)inSBSarah Blake(Commercial Director & Co-founder)in

Co-investorsINInnovate UK

PlantSea develops seaweed-based packaging materials as an alternative to single-use plastics.

Circular EconomyCleantechClimate TechNew Materials

RRRhiannon Rees(Co-Founder & CEO)inAlex Newness(Co-Founder & COO)

Co-investorsSFSFC CapitalANAngels Invest WalesINInnovate UK

Rumage operates a search engine and aggregator for secondhand and refurbished goods, using database and AI technology to give shoppers a refined view of millions of items across circular economy marketplaces.

AI & Machine LearningCircular EconomyClimate TechE-commerceMarketplaces

Thermulon develops and scales the production of high-performance, fire-safe aerogel insulation materials aimed at reducing the carbon footprint of buildings.

CleantechClimate TechDeep TechNew MaterialsLondon, GB

Dr Samuel Cryer(Founder & Inventor)

Co-investorsDEDeep Science VenturesEMEmbryo VenturesRERegeneration.VC

Uplift360 develops chemical recycling technologies that regenerate high-performance fibres (such as aramid and carbon fibre) from composite and advanced-material waste at room temperature.

Circular EconomyCleantechDefense TechNew MaterialsEsch-sur-Alzette, LU

Co-investorsTWTwin Track VenturesPRPromus VenturesEXExtantia CapitalFUFund FNANATO Innovation Fund

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 groupGRGreen Angel VenturesOXOxford Investment Opportunity Network (OION)BRBristol Private Equity ClubEMEmpirical Ventures+1 more

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-investorsGRGreen Angel VenturesONOne Planet CapitalANAndreessen HorowitzCRCreator FundLOLocalGlobeSASandbox Industries

Anzen provides software that automatically populates insurance submission forms (ACORD, carrier applications, supplementals) from collected client information across email, phone, text, and AMS records, while tracking missing data and client follow-ups until submissions are market-ready.

AI & Machine LearningEnterprise SoftwareInsurTechMarketing TechSaaS

JMJose Muniz(Founder)inAnna Beach(Founder)Max Bruner(Founder)

Co-investorsALAlumni VenturesEVEvolution VenturesMSMS&AD VenturesNENew ForgeCACarbon13GRGreen Angel Ventures+1 more

Batch builds an intelligent additive manufacturing platform that enables brands to produce circular plastic products on demand through 3D printing, with integrated design tools, production software, and material recycling technology for sustainable manufacturing at scale.

Advanced ManufacturingAI & Machine LearningCircular EconomyUK, GB

JVJulien Vaissieres(Founder)inMMMilo Mcloughlin-Greening(Founder)in

Co-investorsENEndgame CapitalEXExpedition Growth Capital

Biohm is a research and development company developing scalable biotechnologies aimed at reshaping industrial and economic systems.

BiotechCircular EconomyNew Materials

Biophilica is a biotechnology company that develops Treekind, a 100% biobased, plastic-free material for the fashion, footwear, packaging, furniture, homeware and automotive industries.

BiotechCircular EconomyNew MaterialsLondon, GB

Mira Nameth(CEO)

Co-investorsRHRhapsody Venture Partners

ClearWatt provides an independent set of online resources focused on second-hand electric vehicles, helping consumers choose, charge, and understand the range and performance of used EVs.

CleantechConsumerMobility & TransportationSaaS

Climate Policy Radar builds open databases and AI-powered tools that turn fragmented climate and nature data — laws, policies, litigation records, finance documents, and UN submissions — into structured, searchable evidence.

AI & Machine LearningClimate TechGovTechLondon, GB

Danu Robotics manufactures AI-controlled two-arm robots and computer vision systems for sorting and picking dry mixed recyclable materials, designed to retrofit into existing manual waste sorting facilities (MRFs).

AI & Machine LearningCircular EconomyRoboticsEdinburgh, GB

Xiaoyan Ma(Founder)

Co-investorsBABacchus Venture CapitalSNSnatched VenturesSOSOSV

Deep Blue Biotech develops sustainable chemicals by re-engineering cyanobacteria to convert CO₂ into high-value molecules, using AI-driven metabolic modelling.

BiotechCleantechNew Materials

TCTim Corcoran(Chief Executive Officer)inLBLucia Burdisso(Chief Scientific Officer)in

Co-investorsCACarbon13ONOne Planet Capital

Ecologi provides employee engagement solutions that help organizations fund climate action and tree-planting initiatives, with digital platforms to track impact and communicate progress to teams.

CleantechClimate TechEnterprise SoftwareHR TechImpact & Social GoodSaaS

DTDimitri Theocharisin

Co-investorsENEntrée CapitalGAGaingelsGEGeneral Catalyst

Entocycle uses industrial automation and machine learning to convert organic waste into animal and plant feed by breeding black soldier fly larvae at scale.

Advanced ManufacturingAgTechBiotechCircular EconomyFoodTechLondon, GB

KOKeiran Olivares Whitaker(Founder)inJMJames Millar(CEO)inKeiran Whitaker(Founder)

Co-investorsDCDCVC (Data Collective)INInvestorXLOLowercarbon CapitalNANazcaTETeampact.venturesTHThe Venture Collective+9 more

Future Motion designs and manufactures personal electric vehicles, with production based in California.

ConsumerHardwareMobility & TransportationSanta Cruz, US

Kyle Doerksen(Executive Officer, Director)

BoardCorrigan Erik(Director)Wilcox Joe(Director)

Global OTEC develops Ocean Thermal Energy Conversion systems to provide renewable baseload power for tropical and subtropical regions.

CleantechClimate TechDeep TechEnergy

Co-investorsUNUnruly Capital

Guru Systems provides hardware and data analytics platforms for heat networks serving residential developers and heat suppliers.

CleantechClimate TechCloud ComputingData & InfrastructureEnergyHardwareIoTSaaSLondon, GB

Co-investorsMAMaven Capital Partners

H2CHP develops fuel-flexible electricity generators that run on clean fuels to produce near zero-emission, decentralised power.

CleantechEnergyHardware

Co-investorsBLBlackfinch VenturesNONorthstar VenturesSYSyndicateRoom

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-investorsGRGreen Angel Ventures

Co-investorsLYLyall Ventures

Hychor develops HySET, an electrochemical technology that produces green hydrogen from seawater and renewable electricity, reducing reliance on freshwater and grid connection.

CleantechDeep TechEnergyAberdeen, GB

JSJani Shibuya(Chief Executive Officer & Founder)inACAlex Colledge(Chief Operating Officer & Co-Founder)in

Co-investorsONOne Planet Capital

HydroSurv develops uncrewed surface vessel (USV) platforms for maritime survey and marine operations.

CleantechClimate TechDeep TechHardwareRobotics

DHDavid Hull(Founder & CEO)in

Ignota Labs uses SAFEPATH, a proprietary AI platform combining machine learning with bioinformatics and cheminformatics data, to identify and resolve drug safety and toxicity problems.

AI & Machine LearningBiotechDeep Tech

Jordan Lane(Founder)Sam Windsor(Founder)

Co-investorsAIAIX VenturesBLBlue Wire CapitalELElectric Feel Ventures LlcGAGaingelsMOModi VenturesMOMontage Ventures

Inclusive Energy provides digital tools for energy entrepreneurs to scale off-grid, distributed clean energy solutions, aimed at expanding energy access in under-served and emerging markets.

CleantechClimate TechEnergyImpact & Social GoodIoT

Infiniti builds and operates battery recycling systems that recover critical materials through controlled, closed-loop chemical processes to support electrification and energy technologies.

Circular EconomyCleantechNew MaterialsLondon, GB

KBKeith Brent(Founder)in

Co-investorsASAscension

Iterum provides appliance management infrastructure for institutional landlords, combining procurement, maintenance, and data analytics to optimize operational efficiency and reduce costs.

Data & InfrastructureEnterprise SoftwarePropTechSaaSLondon, GB

JHJon Holden(CEO)inFelix Dahlke(CTO)

Co-investorsCLClearance Venture PartnersCACanaan PartnersFRFrazier Healthcare PartnersNENew Leaf Venture PartnersSOSofinnova Ventures

Platform offering insights and recommendations for decarbonising buildings.

KKKirsty Kenney(Founder)in

Co-investorsB B Dash VenturesMOMoney Forward

Library of Things is a social enterprise that rents household tools and equipment from local self-service lockers, offering users access to high-quality items from brands like Bosch and Stihl while promoting circular consumption and reducing waste.

B2B MarketplacesCircular EconomyConsumerLondon, GB

Co-investorsCACambridge Angels group

MCJ Collective is a venture firm that invests in founders building companies in climate, clean energy, and related industries, and produces an "Inevitable" podcast and newsletter covering the sector.

CleantechClimate TechEnergy

Co-investorsAUAutodesk FoundationHUHumans Of The InternetMOMOL Switch

Minviro provides a life cycle assessment (LCA) ecosystem combining LCA software (XYCLE), consultancy, and supply chain data to help companies measure and reduce environmental impact and produce ISO-compliant, regulation-ready reports.

Climate TechNew MaterialsSaaS

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 FundGRGreen Angel VenturesHEHEC Paris IncubatorTHThe FSE GroupRURumbo Ventures

Notpla makes packaging products from seaweed and plants as an alternative to single-use plastic.

Circular EconomyClimate TechNew MaterialsLondon, GB

PPPierre-Yves Paslier(Founder)inRGRodrigo Garcia Gonzalez(Cofounder & Co-CEO)inRodrigo García González(Founder)in

Co-investorsASAstanor VenturesBABay Bridge Ventures ClimateCOCool Climate CollectiveHOHorizons VenturesNENew Earth VenturesRARadicle Impact+3 more

Consumer brand focused on sustainable consumption

NDNick Doman(Founder)inWPWill Pearson(Founder)in

Co-investorsRERedrice Ventures

Open Climate Fix develops solar and renewable energy forecasting and nowcasting technology to help electricity system operators and power traders improve forecasting accuracy and reduce reliance on fossil-fuel backup plants.

AI & Machine LearningClimate TechEnergy

Open Hydro develops technology to assess and mitigate greenhouse gas emissions from freshwater systems, including reservoir emissions, providing climate mitigation and resilience insights for hydropower utilities and water industries.

CleantechClimate TechEnergySaaSLondon, GB

Co-investorsCACarbon13ECEcho River Capital

OWNI is an online marketplace for buying and selling second-hand clothing from sustainable brands, with a "collect and try on" option at its Exeter studio.

Circular EconomyE-commerceMarketplacesExeter, GB

KLKalkidan Legesse(Founder)in

Sustainable laundry service disrupting the traditional cleaning industry.

Co-investorsCOConduit ConnectOXOxford Investment Opportunity Network (OION)OXOxford Technology ManagementTRTrueSight VenturesVAVala Capital

Pedal Me provides same-day courier, freight, and passenger transport in London using purpose-built cargo bikes and trained riders, offering business delivery, custom logistics planning, and warehousing.

CleantechLogistics & Supply ChainMobility & TransportationLondon, GB

POP supports communities in the UK to install, generate, store and share solar energy and battery systems while developing local skills and keeping investment within communities.

CleantechEnergyHardwareImpact & Social GoodEast Sussex, GB

HJHoward Johns(Chief Executive Officer)inDFDave Franklin(Chief Technology Officer)inSGSimon Griffiths(Commercial Operations Director)in

Petit Pli makes children's clothing designed to expand and grow with a child over time, using materials such as ripstop breathable fabric.

Circular EconomyConsumerDirect to Consumer

RMRyan Mario Yasin(Founder)in

Co-investorsRERegeneration.VC

PheroSyn produces pheromone lures designed to monitor and control agricultural pests through insect attractants.

AgTechBiotechCleantech

DMDr Mary Ellis(Co-Founder and Chief Executive Officer)Daniel Bahia(Co-founder and Director of Operations)in

Co-investorsANAngel AcademeRORockstartTATall Grass Ventures

Pulpatronics develops recyclable, metal-free paper RFID tags using a laser process that prints a conductive circuit directly onto paper, avoiding metal antennas.

Circular EconomyHardwareNew Materials

CSChloe So(Co-Founder & CEO)inBSBarna Soma Biro(Co-Founder & CTO)in

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 FirstGRGreen Angel VenturesGRGreensoil PropTech VenturesGRGroundBreak Ventures+9 more

QuberTech is a UK-based biotechnology company developing biotech tools to produce natural rubber from alternative crops grown in controlled environments, aiming to deliver traceable and sustainable materials.

AgTechBiotechNew MaterialsNorwich, GB

Dr Ofir Meir(Co-founder & CEO)DNDr Neil Clelland(Co-founder & CBO)in

Co-investorsUKUK Innovation & Science Seed FundFUFuture Planet Capital

Cellulose-based sustainable colorants for fashion, cosmetics, and packaging.

Co-investorsCACambridge Angels groupEMEMV CapitalMAMartlet CapitalADAda Ventures

Relode develops transmission-connected battery storage and electric vehicle charging infrastructure on the UK electricity grid, drawing on expertise across grid, planning, and engineering.

CleantechClimate TechEnergy

MCMikey Clarkin

ReLondon is a partnership between the Mayor of London and London's boroughs focused on improving waste and resource management and supporting the city's transition to a circular, low-carbon economy.

Circular EconomyClimate TechGovTechLondon, GB

RideTandem runs a technology platform that partners with local taxi, minibus, and coach companies to provide managed workplace and education shuttle services.

B2B MarketplacesClimate TechLogistics & Supply ChainMobility & Transportation

Huw McLeod(Co-founder)inAlex Shapland-Howes(Co-founder & CEO)inTCTatseng Chiam(Co-founder)in

Co-investors181818 Venture CapitalASAscensionBLBlackfinch VenturesCOConduit Connect

Riding Sunbeams develops and connects solar, wind and energy storage assets to power rail traction networks with direct-wire renewable electricity, aiming to decarbonise railways, metros and trams.

CleantechClimate TechEnergySoutham, GB

Rightcharge provides a unified charging and payment solution for electric vehicle fleets, managing both public charging via card and home charging reimbursements through an automated system.

CleantechClimate TechEnergyMobility & TransportationSaaSLondon, GB

CCCharlie Cookin

Co-investorsSOSoulmates VenturesUNUnruly CapitalBLBlackWood VenturesPUPurple Ventures

Rookwood Operations develops phosphate recovery materials and solutions to remove excess nutrients from water treatment systems.

AgTechCircular EconomyCleantech

Co-investorsTHThe FSE Group

Rovco (operating as Beam) develops autonomous subsea robotic systems and AI-powered technologies for offshore and subsea engineering applications.

AI & Machine LearningEnergyRoboticsBristol, GB

Co-investorsOXOxford Investment Opportunity Network (OION)FOForesight GroupFUFuture Planet CapitalINIn-Q-TelLELegal & General

Satellite Vu captures thermal imagery from space for applications including environmental monitoring and infrastructure assessment.

Climate TechData & InfrastructureDeep TechDefense TechSpace TechLondon, GB

ABAnthony Baker(CEO)inToby Reinicke(Founder)Camilla(CFO)Scott

BoardPatrick

Co-investorsMOMolten VenturesCOContrarian VenturesE2E2MC VenturesGRGrit VenturesINIn-Q-TelMDMD One Ventures+7 more

Software and data optimisation platform enabling renewable energy investors and operators to monitor, manage and optimise their assets, used by global operators such as EDF and London Array.

Co-investorsVAVala Capital

Energy

Solivus develops lightweight solar energy solutions for commercial properties and residential homes that cannot support conventional systems.

CleantechClimate TechConstruction TechEnergyLondon, GB

JPJo Parker-Swift(Founder and CEO)in

Co-investorsG-G-ForceCRCrowdcubeFOFounders FactorySESeedrs

Sunswap designs and manufactures electric, zero-emission transport refrigeration units (its "Endurance" product) for logistics fleets and retailers, aiming to replace diesel-based refrigeration in the cold chain.

Advanced ManufacturingCleantechClimate TechLogistics & Supply ChainMobility & TransportationLeatherhead, GB

NTNikolai Tauberin

Co-investorsCLClean Growth FundMOMove EnergySHShell VenturesCLClean Energy Finance Corporation (CEFC)OXOxford Investment Opportunity Network (OION)

Super6 develops advanced supercapacitors using scalable materials for high-power energy storage applications.

Deep TechEnergyNew Materials

Hector Lancaster(Founder)in

Co-investorsTHThe Footprint Firm

Vateris (formerly Concrete4Change) is a UK-based advanced materials technology company whose proprietary process converts industrial flue gas CO₂ into GypCarb, a vaterite-based mineral additive for cement and concrete, while co-producing high-purity SOP mineral fertiliser.

CleantechClimate TechNew Materials

SPSid Pourfalah(Co-founder (Professor))inDalraj Nijjar(Co-founder)in

Co-investorsHOHolcim MAQER VenturesZAZacua VenturesCOCounteract OneCOCounteract

Raft builds AI software that automates data extraction, invoice matching, and exception flagging for supply chain operations.

AI & Machine LearningEnterprise SoftwareFintechLogistics & Supply ChainLondon, GB

James Coombes(Founder)

Co-investorsBEBessemer Venture PartnersDYDynamo VenturesEPEpisode1TETechstarsWAWashington Harbour Partners

Vendi runs a marketplace for buying and selling second-hand and new tech devices such as smartphones, using a verification and authentication system to secure peer-to-peer transactions.

Circular EconomyE-commerceMarketplaces

ARAnil Rao(Founder)in

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-investorsGRGreen Angel VenturesUPUpscale

Zero Carbon Capital is an early-stage venture capital firm that invests in science-based startups working on decarbonisation and climate impact.

CleantechClimate TechDeep TechImpact & Social GoodPortsmouth, GB

PGPippa Gawley(Founder & Managing Partner)inAGAlex Gawley(Founder & General Partner)in

Co-investorsCLClean Energy VenturesEXExtantia Capital