Extantia Capital — Full Portfolio

Modern Synthesis is a biotechnology company that grows microbially-derived biomaterials from bacterial nanocellulose to replace animal leather and plastic-based synthetic textiles.

BiotechCircular EconomyNew MaterialsLondon, GB

Jen Keane(Co-founder & CEO)inBen Reeve(Co-founder & CTO)Louis Graham(Founder)in

Co-investorsArtesianAcequia Capital (AceCap)AgFunderCollaborative FundIMO VenturesPonderosa Ventures+3 more

Dover, US

Antonio Vittorio Arbues(Executive Officer, Director)Miks Ozols(Executive Officer, Director)

Board seatYair Reem· per SEC Form D · $11.8M raise · filed Apr 2026

Co-investorsbyFounders

Co-investorsCRV (Charles River Ventures)ICONIQ

Aerones provides robotic inspection, cleaning, coating, and repair services for wind turbine blades.

Advanced ManufacturingCleantechClimate TechDeep TechEnergyRoboticsRiga, LV

Dainis Kruze(Founder/CEO)inJanis Putrams(Founder/CTO)inDAINIS KRUZE(Executive Officer, Director)JANIS PUTRAMS(Director)

BoardPHILIPP GOEHRE(Director)ANDRIS BERZINS(Director)

Co-investorsACTIVATE CAPITAL PARTNERSAhren Innovation CapitalCarbonChange VenturesEvergy VenturesFranz Haniel & Cie. GmbH+5 more

AssetCool builds robotic systems, including its Capacity-1 line robots, that apply capacity-enhancing coatings to existing overhead power lines to increase grid capacity without lengthy outages or reconductoring.

CleantechEnergyNew MaterialsRobotics

Jasmin Stewart(Head of People)Winter Wilson(Head of Marketing)Niall Coogan(CEO)in

Co-investorsCarbonEnergy Impact PartnersKero Development PartnersMercia VenturesNorthern Gritstone

Astanor is an investment firm focused on the agrifood sector, backing companies "from soil and sea to gut" through venture and growth strategies.

AgTechFoodTechImpact & Social Good

Eric Archambeau(Founder)in

Co-investorsKfW Capital

Bees & Bears operates a technology platform that lets installers offer end customers installment financing for green hardware such as solar panels, energy storage systems, and heat pumps, with real-time credit decisions and staged payouts to the installer.

CleantechEnergyFintech

Franziska Kunz(Founder)

Co-investorsContrarian VenturesUnruly Capital

BeZero Carbon provides independent, risk-based ratings and risk analytics for carbon credit projects across their full life cycle, using expert analysts, proprietary sector-specific models, and curated datasets.

AI & Machine LearningClimate TechData & Infrastructure

Tommy Ricketts(Founder)in

Co-investorsContrarian VenturesHitachi VenturesMolten VenturesNorrsken VCTransLink CapitalIlluminate Financial

Bloom Biorenewables converts wood residue biomass into renewable performance ingredients—such as white lignin, dipropylxylose (DPX), and microfibrillated celluloses—used as a formulation platform for the personal care, functional paper, and paints & coatings industries.

Circular EconomyCleantechNew Materials

Florent Héroguel(Founder)in

Co-investorsAnais VenturesBreakthrough Energy VenturesBtomorrow Ventures

Changing Markets Foundation creates and supports campaigns, in partnership with NGOs, foundations, and research organisations, that expose unsustainable business practices and shift market share toward environmentally and socially beneficial products.

Climate TechImpact & Social Good

Contrarian Ventures is an early-stage venture capital firm that invests in climate tech founders, acting as first-cheque investor and offering support through initiatives like the Energy Tech Summit, The Climate Brick, and Climate50.

CleantechClimate TechEnergySaaSLithuania, LT

David TrainaviciusRokas Peciulaitis(Founder & Managing Partner)

Co-investorsKfW CapitalEuropean Investment Fund

CustomCells develops and industrializes customer-specific premium battery cells, supporting clients from initial concept through material selection, prototyping, pilot production, and gigafactory commissioning.

Advanced ManufacturingCleantechEnergy

Co-investorsVsquared Ventures468 CapitalWorld Fund

EcoG develops an AI-enabled operating system and software solutions for electric vehicle charging infrastructure, optimizing energy flow and system reliability for fleet operators and charging network providers.

CleantechClimate TechEnergyEnterprise SoftwareHardwareIoTMobility & TransportationMunich, DE

Joerg Heuer(Founder & CEO)inJohannes Hund(Founder & CTO)in

Co-investorsBayern KapitalBerliner Volksbank VenturesGET FundMichigan RiseRedstoneTane Fund+2 more

Energy Impact Partners is an investment firm that connects entrepreneurs with large corporations to fund and support companies working on transforming the global economy toward decarbonization.

CleantechClimate TechEnergy

Lindsay Luger(Founder)inHans Kobler(Founder)in

Co-investorsClean Energy VenturesEvergy VenturesJERAMOL SwitchAmazon Alexa FundBlindspot Ventures Management Co+9 more

Enpal offers a 5-in-1 residential energy package combining solar panels, a Bosch air-to-water heat pump, battery storage, a wallbox, and its Enpal.One+ energy manager, available via monthly subscription or purchase.

CleantechClimate TechEnergyBerlin, DE

Mario Kohle(Founder)inMaxim D.(Founder)in

Co-investorsACTIVATE CAPITAL PARTNERSSoftBank Vision FundTeam GlobalThe Westly Group

The Food and Agriculture Organization (FAO) is a United Nations agency that works with governments and partners on food security, nutrition, agriculture, fisheries, and rural development.

AgTechFoodTechImpact & Social GoodRome, IT

Fifth Wall is an investment firm that invests in technology companies serving the real estate and built environment sector (PropTech).

PropTech

Brendan Wallace(Founder, CEO & CIO)in

GA Drilling develops drilling tools intended for energy projects.

CleantechEnergyHardware

Igor Kocis(Founder)in

Co-investorsNeulogy VenturesPlanet A VenturesUnderground Ventures

H2Pro develops decoupled, membraneless water electrolyzers (DWE) for producing green hydrogen, designed for direct connection to renewable energy sources.

CleantechEnergyHardwareCaesarea, IL

Gideon Grader(Founder)in

Co-investorsBreakthrough Energy VenturesContrarian VenturesHorizons VenturesIN VentureWIND VenturesYara Growth Ventures+1 more

Higg Index provides sustainability measurement tools for the apparel, footwear, and home textile industry, covering facilities, materials, products, and brand/retailer operations across environmental, social, and governance impact areas.

Climate TechImpact & Social GoodNew Materials

INERATEC produces synthetic fuels and chemicals from CO₂ and renewable hydrogen using microstructure technology, offering e-SAF, e-diesel, and other drop-in ready fuels and chemical products for energy and manufacturing industries.

CleantechClimate TechEnergyNot stated on page, DE

Tim Boeltken(Founder)inPfeifer Peter(Founder)in

Co-investorsEmerald Technology Ventures AgENGIE New VenturesHG VenturesPiva CapitalWIND VenturesPETRONAS Ventures

Lava is a climate-tech startup developing isothermal heat-engine and heat-pump technology, including research into knitted metallic structures, metamaterials, and phase-changing materials, to generate clean power at megawatt scale.

CleantechClimate TechEnergy

Co-investorsGrove VenturesIneffable VenturesTechEnergy Ventures

Co-investorsFreigeist CapitalRise PropTech

LeydenJar develops pure silicon anode technology that increases battery energy density, enabling smaller, lighter, and more powerful batteries.

CleantechDeep TechEnergy

Christian Rood(Founder)in

Co-investorsBOMInvest-NL

Lowercarbon Capital is a venture capital firm that invests in climate technology companies working to reduce CO2 emissions, remove carbon from the atmosphere, and cool the planet.

CleantechClimate TechImpact & Social Good

Chris Sacca(Founder)in

Co-investorsClean Energy VenturesFarvatn VentureFoundryLowercarbon CapitalNimble PartnersShrug Capital+1 more

Magnotherm develops magnetocaloric cooling systems that use magnetic materials instead of conventional refrigerants, offering more energy-efficient commercial refrigeration for supermarkets and applications in hydrogen liquefaction.

CleantechDeep TechHardwareNew MaterialsDarmstadt, DE

Timur Sirman(CEO & Co-founder)Dr Maximilian Fries(COO & Co-founder)Jeffrey Pickett(CPO & Co-founder)Dimitri Benke(CTO & Co-founder)Prof. Dr. Oliver Gutfleisch(Co-Founder & Advisor)Dr. Tino Gottschall(Co-Founder & Advisor)

Co-investorsENGIE New VenturesReventSpinLab

Woodinville, US

Tony Pan(Founder)in

Co-investorsAt One VenturesMetaplanetValo VenturesStarlight Ventures

Nodes & Links builds AI-powered project management software that helps teams understand and proactively manage project schedules and plans.

AI & Machine LearningConstruction TechSaaSLondon, GB

Greg Lawton(Co-founder)inDr. Christos Ellinas(Co-founder)inChristos Ellinas(CTO)in

Co-investorsCarbonEntrepreneur FirstNiya PartnersRed Bear VenturesWesterly WindsZigg Capital+5 more

Northvolt manufactures lithium-ion battery cells for electric vehicles and industrial applications, with an emphasis on low-carbon production and sustainability.

Advanced ManufacturingCleantechEnergyStockholm, SE

Paolo Cerruti(Founder)in

Co-investorsBoundary HoldingDanica PensionNorrsken VC

Phlair develops direct air capture (DAC) technology built around its Hydrolyzer process for energy-efficient generation of acid and base, designed to be compatible with intermittent renewable solar power.

CleantechClimate TechDeep Tech

MaltePaulSteffenMalte Feucht(Founder)in

Co-investorsPlanet A VenturesAtlantic LabsCounteractVerve Ventures

Puraffinity develops adsorbent media engineered for the removal of PFAS from water, offered as bulk media, pre-filled vessels, or full treatment services.

CleantechClimate TechNew MaterialsLondon, GB

Co-investorsHG VenturesKindred CapitalOctopus VenturesUniversal Materials IncubatorVerve VenturesAcequia Capital (AceCap)

RepAir develops a solid-state, electrochemical carbon capture technology inspired by battery systems that captures CO₂ from diluted sources, including industrial point-source emissions and direct air capture.

CleantechClimate TechDeep Tech

Co-investorsRepsol Energy Ventures

Reverion builds reversible fuel cell systems that operate as high-efficiency power plants, electrolyzers, energy storage, and carbon capture units, converting biogas, hydrogen, or natural gas into power and surplus renewable electricity into methane or hydrogen.

CleantechClimate TechEnergyEresing, DE

Luis Poblotzki(Founder)

Co-investorsCarbonEnergy Impact PartnersGGFGreen Generation FundSpinLabTechFounders+2 more

SiTration develops silicon-based electro-extraction (SEE) and nano-filtration (SNF) technologies that recover metals and critical minerals from mining waste, leachate, and recycled material using electricity and no added chemicals.

CleantechDeep TechNew MaterialsCambridge, US

Brendan Smith(Executive Officer, Director)Jeffrey Grossman(Director)

BoardJacob Bro(Director)inMatthew Nordan(Director)in

Co-investorsAzolla VenturesCarbonThe E14 FundWorking Capital FundBHP VenturesOrion Industrial Ventures

UP Catalyst captures CO₂ from flue gases and converts it into carbon nanotubes and battery-grade graphite using its proprietary Molten Salt Carbon Capture and Electrochemical Transformation (MSCC-ET) technology.

Advanced ManufacturingCircular EconomyCleantechClimate TechNew Materials

Gary Urb(Co-founder)in

Co-investorsWarsaw Equity GroupEuropean Investment Bank

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-investorsSustainable VenturesTwin Track VenturesPromus Ventures

Vamo is a technical recruiting platform that analyzes GitHub activity—commits, repos, and social signals—to identify and match software engineers to hiring needs.

AI & Machine LearningHR TechSaaS

Co-investorsImpatient VenturesGET Fund

Vamo offers residential air-to-water heat pumps as a complete package, handling consultation, subsidy applications, and installation within three days, plus ongoing remote monitoring and warranty through its Vamo Care service and app.

CleantechClimate TechEnergy

Co-investorsCaesar VenturesGET FundRealyze Ventures

VARTA develops and manufactures energy storage and battery products, including micro and household batteries, custom lithium-ion cells, mobile power solutions, and home and industrial energy storage systems.

CleantechEnergyHardware

Vema Hydrogen develops Engineered Mineral Hydrogen (EMH), a patented production method that stimulates naturally occurring subsurface geochemical reactions in ophiolite and BIF rock formations to produce carbon-free hydrogen at under $1/kg.

CleantechClimate TechEnergy

Pierre Levin(CEO)Colin McCulley(Director of Operations)

Co-investorsPace VenturesPropeller VC

Media & Entertainment

Co-investorsLeonis CapitalTapestry VCTenacious Ventures

Voltrac builds Thor, a cabinless, autonomous electric tractor with swappable batteries and four-wheel power for agricultural work across crop types.

AgTechCleantechRobotics

Tom Hubregtsen(Founder)inFran Infante Aguirre(Founder)in

Co-investorsFoodLabsAntler

WASE develops waste-to-energy technology based on anaerobic digestion to help businesses convert their waste into energy and support a circular economy.

Circular EconomyCleantechClimate TechEnergy

Thomas(Founder)inLlŷr(Founder)inWilliam(Founder)Dr. Thomas Fudge(Founder)inLlŷr Anwyl(Founder)in

Co-investorsENGIE New VenturesElbow Beach CapitalHitachi Ventures

Yardstick provides tools to measure, plan, and analyze soil carbon data, including instant soil carbon measurement, sample planning aligned with protocols such as Verra VM0042 and CAR SEP, and data mapping and auditing.

AgTechCleantechClimate TechDover, US

Christopher Tolles(Executive Officer, Director)Kevin Meissner(Executive Officer, Director)

BoardLisa Coca(Director)in

Co-investorsBreakthrough Energy VenturesCultivian Sandbox VenturesLOWERCARBONLowercarbon CapitalPillar VCWorkshop Venture Partners+2 more

Zero Carbon Capital is a deep tech climate venture capital firm making pre-seed and seed investments in scientific founders across Europe.

Climate TechPortsmouth, GB

Pippa Gawley(Founder & Managing Partner)

Co-investorsClean Energy Ventures