Top 15 CleanTech VC Funds & Investors in Austria (September 2026)

Portfolio highlights

• subdron — subdron turns the seabed from a blind spot into a monitored domain.
• infrared.city — Redefine environmental simulations. Our bespoke AI models revolutionise performative design, slashing time, cost, and complexity. Access cutting-edge services effortlessly because innovation should be for everyone
• VALANX Biotech — VALANX Biotech is a site-specific protein conjugation platform to enable fast and cost efficient protein-drug-conjugates development.

Portfolio highlights

• Rivus Batteries — Rivus is a start-up that serves as the commercialization platform for the aqueous organic flow battery technology.
• Ora Computing — We make AI models smaller, faster, and more efficient.
• Epitome Therapeutics — Epitome Therapeutics is an early-stage biotechnology company developing CADENCE, a next-generation epigenome editing platform for precise, durable, and context-dependent control of gene expression without altering the underlying DNA sequence, with the aim of establishing a new therapeutic modality for diseases driven by dysregulated gene activity.

Portfolio highlights

• Inoqo — In a world of over, mis- or blurred information, inoqo wants to provide consumers with scientific-based data on the environmental, social and biodiversity impact of familiar grocery products. Our mission is to help all of us aligning our daily purchasing decisions to our key concerns so that we can actively contribute to a sustainableproduction-consumption cycle.The app uses a specific innovative technology that can passively and smartly track the user’s grocery basket for informing them about -for example- the CO2 impact of their purchase and how aligned it is to their environmental priorities or social valuesThe solution will actively recommend alternative products of lower impact and encourage them through personalized content, gamification and community challenges to further pursue a sustainable lifestyle.We strongly believe that our daily habits can change the world. Our vision is to enable millions of consumers around the globe to learn why and how their consumption decisions impact biodiversity, climate and their own well-being. We want to accelerate the change towards sustainable production: as users consume more responsibly, they create healthy competition between companies who start to produce responsibly.We have ten years left to cut our CO2 emissions by half. From now on, every action counts. Join inoqo.
• kompany — kompany is the RegTech platform for Global Business Verification and Business KYC providing the audit-proof, primary source, and time-stamped company information from 150+ jurisdictions in real-time. It is headquartered in Vienna, Austria, and has offices in Singapore and the UK. Since being founded in 2012, kompany has attracted a unique pool oftop developers, regulatory experts, and product managers from around the world. It is a government licensed clearing house and official distributor for commercial and business registers in multiple countries worldwide.
• HelloBello — HelloBello offers freshly cooked and cooled delivered human-grade food tailored to each dog’s nutritional needs. HelloBello is a PetTech company with a strong focus on the German speaking markets (for now). HelloBello’s personalized meals are free of any by-products and are portioned, packaged, and delivered directly to your door. By working with aspecialized veterinarian, HelloBello is able to derive each dog’s exact nutritional needs based on a proprietary algorithm. The recipes are made of natural sources like millet and seaweed, instead of heavy use of supplements, which makes it easier for the dog to absorb and get true nutritional benefits.Our credo in German is " ... Frisch. Individuell. Geliefert. - Frischfutter ist einfach besser ..."

Portfolio highlights

• refinq — Asset-level climate and nature risk analytics for banks, insurers and corporates. Audit-ready data for CSRD, EU Taxonomy, EBA Pillar 3, SFDR and TNFD.
• vitrealab — Enlighten. Your perspective. Light Engines for AR glasses.
• Invisible-Light Labs — Invisible Light Labs uses Fourier transform infrared (FTIR) spectroscopy and nanoelectromechanical sensing technologies to enable chemical analysis of materials and nanomaterials that are available in minuscule amounts in a variety of industries, from environmental monitoring to pharmaceuticals.

Portfolio highlights

• Another Earth — Another Earth is building an AI-powered simulation and synthetic data platform for Earth Observation. As our planet changes, AI models need scalable, high-quality training data to keep pace. Another Earth provides synthetic data, scenario simulations and predictions required to accelerate AI development, and enable faster, smarterdecision-making—enabling smarter decisions for a more resilient world.
• Graph Therapeutics — Graph Therapeutics - precision immunology
• Epitome Therapeutics — Epitome Therapeutics is an early-stage biotechnology company developing CADENCE, a next-generation epigenome editing platform for precise, durable, and context-dependent control of gene expression without altering the underlying DNA sequence, with the aim of establishing a new therapeutic modality for diseases driven by dysregulated gene activity.

Portfolio highlights

• Ark Climate — Ark Climate is a climate-tech company that develops software to support municipal climate protection planning and execution.
• Ki 13 — Creating the world's most affordable green hydrogen and biogenic carbon.
• Recupere Metals — Recupere Metals focused on recycling copper scrap into high-quality electrical wires. It uses a patented mechanical process enhanced by AI to boost conductivity from impure scrap, bypassing energy-intensive smelting.

Portfolio highlights

• Greenpass — Greenpass is an all-in-one SaaS for climate-resilient urban planning & architecture platform that enables livable cities.
• Kranus Health — Kranus Health is a global provider for Men‘s Health Prescription Digital Therapeutics (PDTs). Our therapies make millions of men live a better and longer life and enable doctors to treat their patients more efficiently.
• HelloBello — HelloBello offers freshly cooked and cooled delivered human-grade food tailored to each dog’s nutritional needs. HelloBello is a PetTech company with a strong focus on the German speaking markets (for now). HelloBello’s personalized meals are free of any by-products and are portioned, packaged, and delivered directly to your door. By working with aspecialized veterinarian, HelloBello is able to derive each dog’s exact nutritional needs based on a proprietary algorithm. The recipes are made of natural sources like millet and seaweed, instead of heavy use of supplements, which makes it easier for the dog to absorb and get true nutritional benefits.Our credo in German is " ... Frisch. Individuell. Geliefert. - Frischfutter ist einfach besser ..."

Portfolio highlights

• neoom — neoom is a software company that offers services clean and integrated decentralized energy solutions. It focuses on electrical and digital systems that create sustainable value. The company offers solutions in energy management, photovoltaics, power storage, charging stations, and a range of storage solutions.

Portfolio highlights

• neoom — neoom is a software company that offers services clean and integrated decentralized energy solutions. It focuses on electrical and digital systems that create sustainable value. The company offers solutions in energy management, photovoltaics, power storage, charging stations, and a range of storage solutions.

Portfolio highlights

• CASHY — CASHY is the world's first digital ecosystem for asset-based financing (pawnbroking), turning consumer lending risk-free.
• nista.io — Nista.io develops a platform that transforms energy data into actionable tasks. It reduces up to 20 percent of annual energy costs and helps to reduce C0₂ emissions in the long term.

Portfolio highlights

• neoom — neoom is a software company that offers services clean and integrated decentralized energy solutions. It focuses on electrical and digital systems that create sustainable value. The company offers solutions in energy management, photovoltaics, power storage, charging stations, and a range of storage solutions.

Portfolio highlights

• neoom — neoom is a software company that offers services clean and integrated decentralized energy solutions. It focuses on electrical and digital systems that create sustainable value. The company offers solutions in energy management, photovoltaics, power storage, charging stations, and a range of storage solutions.

Portfolio highlights

• Vytal — Vytal is a provider of software-enabled reusable packaging solutions to eliminate single-use packaging waste in the food and beverage industry. It offers a reusable container system and container management software to facilitate sustainable takeaway and delivery services, serving restaurants, supermarkets, caterers, canteens, and event organizers.
• neoom — neoom is a software company that offers services clean and integrated decentralized energy solutions. It focuses on electrical and digital systems that create sustainable value. The company offers solutions in energy management, photovoltaics, power storage, charging stations, and a range of storage solutions.

Portfolio highlights

• Greenpass — Greenpass is an all-in-one SaaS for climate-resilient urban planning & architecture platform that enables livable cities.
• Calyxha Biotechnologies — A new perspective on inflammation
• EveliQure Biotechnologies GmbH — EveliQure was founded in 2012 with headquarters in Vienna and developed for the first time a combined vaccine, which is intended to protect against Shigella as well as against ETEC bacteria. Both bacterial strains cause various types of diarrheal diseases, and all attempts at development of vaccines have so far only aimed to protect against one ofthe two bacterial strains. The team led by Managing Director Gábor Somogyi has succeeded for the first time in producing a combined swallow vaccine that simultaneously protects against both bacterial strains.

Portfolio highlights

• Čibuk 2 — Čibuk 2 Wind Energy supports local community initiatives, education, and charitable programs through its Social Investment Plan activities. Čibuk 2 has been developed by Masdar and Taaleri Energia
• SALZSTROM — SALZSTROM is a sustainable technology company that focuses on sodium-ion batteries as a viable alternative to lithium-ion energy storage.
• AFI Europe Romania — AFI Europe is part of AFI Properties, one of the leading real estate development, managementand investment companies, operating in Central and Eastern Europe since 1997.