Extantia Capital
Venture capitalBerlin · Pre-Seed–Series A · 27 people tracked
Investment thesis
Extantia Capital invests in pioneers pursuing new paths to unlock growth 'for good,' backing companies that re-engineer industries toward a more sustainable future. The firm centers on the clean industrial revolution and the energy transition, having invested in areas such as energy transition financing infrastructure, next-generation batteries, fertiliser decarbonisation, and wildfire resilience. Extantia emphasizes climate impact alongside returns and supports its portfolio through content and ecosystem resources, including a shared job platform.
Source: firm website, verified Aug 3, 2026.
Team · 27 people
from the firm's website & public directories
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What they invest in
from 16 of 46 portfolio companiesCleantech ×13Climate Tech ×10Energy ×7Circular Economy ×4New Materials ×4Deep Tech ×3Advanced Manufacturing ×2AI & Machine Learning ×2
HQs:Germany×4United States×2United Kingdom×1Lithuania×1Luxembourg×1Latvia×1
Investments · 46 tracked
founders shown can be your intro pathEpoch Biodesign develops enzyme recycling technology powered by AI to break down plastic and textile waste into virgin-grade chemical building blocks.
AI & Machine LearningBiotechCircular EconomyClimate Tech
Jacobin
Dover, US
Yair Reem(Director)Antonio Vittorio Arbues(Executive Officer, Director)Miks Ozols(Executive Officer, Director)
Board seatYair Reem· per SEC Form D · $11.8M raise · filed Apr 2026
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
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)
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
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
Klarna is a mobile banking and payments platform that offers flexible payment options, shopping features, and financial management tools to millions of users globally through partnerships with thousands of merchants.
ConsumerE-commerceFintech
Sebastian Siemiatkowski(Founder & CEO)
Battery technology delivering around 50% more energy.
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)
Nodes & Links builds AI-powered project management software that helps teams understand and proactively manage project schedules and plans.
AI & Machine LearningConstruction TechSaaS
Greg LawtonDr. Christos Ellinas
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
UP Catalyst produces advanced carbon materials including multi-walled carbon nanotubes, carbon black, hard carbon, and graphite using sustainable methods from CO₂ and biomass waste for industrial applications in Europe and the US.
Advanced ManufacturingCleantechNew Materials
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 Tech
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)Florian Osselin(Inventor of Engineered Mineral Hydrogen)Colin McCulley(Director of Operations)
A smarter tractor built on a system that learns as it goes
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- What stage does Extantia Capital invest at?
- Extantia Capital invests at the Pre-Seed, Seed, Series A stages.
- What is Extantia Capital's typical check size?
- Extantia Capital typically writes checks of $1.1M – $5.5M.
- What sectors does Extantia Capital focus on?
- Extantia Capital focuses on Cleantech, Climate Tech, Deep Tech, Energy, Impact & Social Good, New Materials.
- Where is Extantia Capital located?
- Extantia Capital is headquartered in Berlin, DE.
- Does Extantia Capital lead rounds?
- Yes, Extantia Capital leads investment rounds.
Media · Podcasts & interviews
featuring the team#116 Yair Reem - The Path to a Green Future: Extantia Capital's Vision
Christian Soschner · Yair Reem
Images
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Co-investors · 2
Energy Impact Partners is an investment firm that connects entrepreneurs with major corporates to help transform the global economy toward a more sustainable future.
Possible Ventures is an early-stage technology investor backing founders working on major global challenges, with a focus on using technology as a force for good.
Firms observed investing alongside Extantia Capital, from public investor directories. Shared companies are the overlap with Extantia Capital's recorded portfolio.
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