Top 10 CleanTech Startup Investors in Austria in September 2025

Last updated: Sep 2025 A list of 10 angel investors and VC (Venture Capital) funds that invest in Cleantech startups based in Austria. We rank investors based on the number of investments they made in Cleantech companies from Austria. We update this investor list every month.

Top 10 CleanTech Startup Investors in Austria in September 2025

Investor	CleanTech Austria investments
Christian Kaar	3
AWS Double Equity	2
aws Gründungsfonds	2
Peak Pride	2
The Austrian Research Promotion Agency (FFG)	2
Alfred Luger	2
Heinz Hahn	1
Triple Impact Ventures	1
Susanne Porsche	1
Roman Scharf	1

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Investor list

Christian Kaar is the VP of Finance and Business Analytics at Leaders21com. Christian Kaar attended University of Applied Sciences Upper Austria.

Investment focus

Apps, Software, Information Technology
Seed, Angel
Austria, United Kingdom

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.
Paired — Paired is your guide to improve your relationship via fun daily questions, couple quizzes, couple games and relationship advice. Try the Paired couples app free now.
Mimo — Mimo is an app that teaches the computer science in a fun and interactive way. Mimo’s lessons are fun and interactive, fit into people’s everyday lives, and lead them to make a habit of self-improvement. Getting through to more than 1.5 million people and achieving completion numbers far above the industry average, Mimo is well on its way tobecoming the one-stop shop for education and entertainment on the go.

AWS Double Equity

Investment focus

Apps, CleanTech, GreenTech
Seed
Austria

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.

aws Gründerfonds is Austria's 70m venture capital fund. We invest as co-investor in Austrian high-growth start-ups in their later seed and (pre-)series-A stages.

Investment focus

Software, SaaS, Information Technology
Seed, Series A, Funding Round
Austria, United States, Germany

Portfolio highlights

Planted Green — Planted Green plants mixed forests to compensate for CO2 emissions.
Greenpass — Greenpass is a ClimateTech company providing the official greenpass for climate proof real estate. Build resilience and manage climate-proof assets and portfolios in line with ESG regulations while maximizing return on invest and value with ease.
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 ..."

Multi family office investing in proptech, digital health & sustainability

Investment focus

Health Care, Artificial Intelligence, Medical
Seed, Series A, Pre-Seed
Austria, Germany

Portfolio highlights

Greenpass — Greenpass is a ClimateTech company providing the official greenpass for climate proof real estate. Build resilience and manage climate-proof assets and portfolios in line with ESG regulations while maximizing return on invest and value with ease.
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 ..."

The Austrian Research Promotion Agency (FFG) is the national funding agency for industrial research and development in Austria. As a "one-stop shop" offering a diversified and targeted programme portfolio, the FFG gives Austrian businesses and research facilities quick and uncomplicated access to research funding.The FFG was foundedon 1 September 2004 (pursuant to the FFG Act on establishing a research promotion agency, Federal Law Gazette I No. 73/2004). The FFG is wholly owned by the Republic of Austria, represented by the Federal Ministry for Transport, Innovation and Technology (bmvit) and the Federal Ministry of Science, Research and Economy (BMWFW). As a provider of funding services, however, the FFG also works for other national and international institutions.