Asterion

Asterion Ventures is a venture capital firm based in Paris, France, established in 2020. The firm focuses on pre-seed and seed investments specifically targeting impact and climate technology startups. By supporting innovative companies in the climate tech sector, Asterion Ventures aims to foster sustainable solutions that address pressing environmental challenges.

Stephane Bourbier

Co-Founder, CEO and Managing Partner

Charles-Henry Choel

Partner

Etienne Duriez

Venture Associate

Berengere Lehembre

Co-Founder and Partner

Antonin Léonard

Partner

Marine Reygrobellet

Partner

18 past transactions

WeeFin

Series B in 2025
WeeFin is a technology company that specializes in Environmental, Social, and Governance (ESG) data management for the financial industry. It offers a centralized platform that automates reporting processes, enabling investors to efficiently comply with regulations while promoting sustainable finance practices. The platform provides customized strategies and high-quality ESG consulting services, fostering transparent collaboration among financial institutions to enhance their engagement in sustainability efforts.

Darwin

Pre Seed Round in 2024
Darwin says the foundations of our societies are inherently connected to nature.Solving the environmental crisis is crucial, as economic and social advances are unsustainable without ecological balance.

Qomon

Seed Round in 2024
Qomon is a technology company specializing in cloud-based mobilization platforms for nonprofits, political, and government organizations. Its platform enables users to manage various aspects of their operations, including contracts, documents, roles, and members, while also providing tools for creating campaigns and engaging communities. This empowers organizations to make data-driven decisions.

RamDam Social

Seed Round in 2024
RamDam Social is a social enterprise that operates a food business, offering a variety of locally sourced, organic snacks such as cookies and chips. The company's unique model allows customers to contribute to social change through their daily purchases, as a portion of the proceeds from each sale is donated to organizations supporting individuals in need.

Edonia

Pre Seed Round in 2024
Edonia is a sustainable food technology company specializing in the production of plant-based protein products. It focuses on using low-processed, micro-algae-based ingredients to create meat-like textures and umami flavors, free from additives and artificial flavorings. Edonia's mission is to enable food companies to offer healthier, more affordable plant-based options to their consumers, thereby promoting sustainable and responsible food production.

Diamfab

Venture Round in 2024
Diamfab is an advanced startup focused on the manufacture of synthetic diamonds specifically for the semiconductor industry. The company utilizes innovative technology to produce these synthetic diamonds, aiming to improve energy efficiency and reduce energy loss in electronic devices. Its offerings cater to the growing demands of energy transition and electrification applications, positioning Diamfab as a key player in the development of diamond-based technologies that enhance device performance. Through its advanced manufacturing processes, Diamfab is committed to providing high-quality solutions that meet the needs of businesses in a rapidly evolving technological landscape.

WeeFin

Series A in 2023
WeeFin is a technology company that specializes in Environmental, Social, and Governance (ESG) data management for the financial industry. It offers a centralized platform that automates reporting processes, enabling investors to efficiently comply with regulations while promoting sustainable finance practices. The platform provides customized strategies and high-quality ESG consulting services, fostering transparent collaboration among financial institutions to enhance their engagement in sustainability efforts.

Spark Cleantech

Seed Round in 2023
Spark Cleantech is a pioneering company developing a plasma technology to convert greenhouse gases into hydrogen fuel. Their proprietary process, called plasmolysis, uses cold pulsed plasma discharges to convert methane or carbon dioxide and methane mixtures into valuable products such as hydrogen, solid carbon, and carbon monoxide. This technology enables the production of competitive, on-site hydrogen, serving as a direct substitute for fossil fuels in decarbonizing industrial heat and powering the transport industry with carbon-neutral hydrogen fuel.

Circul'Egg

Seed Round in 2023
Circul'Egg is a Paris-based company that specializes in recycling eggshells to create two primary products: calcium carbonate powder and shell membrane powder. By transforming waste from the egg industry, Circul'Egg contributes to the circular economy, promoting sustainable practices in various sectors. Its products cater to the animal feed market, including pet food and feed for farm animals, as well as the nutraceutical and cosmetic industries. The company focuses on providing natural, biobased, and eco-designed solutions that are rich in minerals and beneficial biomolecules, addressing the needs of manufacturers seeking sustainable and nutritious ingredients.

Caeli Énergie

Seed Round in 2023
Caeli Énergie develops and manufactures next-generation air conditioners with great energy efficiency and a minimal carbon impact.

Urbyn

Seed Round in 2023
Urbyn is a software-as-a-service (SaaS) platform focused on waste management, aimed at assisting businesses in minimizing their environmental impact and facilitating their transition to a circular economy. The platform provides innovative solutions for identifying recoverable waste, enabling companies to optimize their waste collection processes. Urbyn's services include lowering collection costs by connecting clients with competitive service providers and enhancing collection efficiency through dedicated technology. This allows businesses to transparently track their waste and associated costs, ensuring access to affordable recycling services while simplifying bill payments through an online interface.

Bocoloco

Seed Round in 2023
Bocoloco is an innovative online grocery store focused on promoting zero waste practices through the sale of organic French products in ready-to-use containers. The company aims to make sustainable shopping accessible to everyone by offering a wide range of eco-friendly options. To support customers in their transition towards a zero waste lifestyle, Bocoloco has developed a smartphone application called the "Zero Waste Coach," which provides users with essential information about products, such as expiry dates and producer details, along with daily tips and tricks for reducing waste. Additionally, Bocoloco is dedicated to enhancing the sustainability of packaging through the development of smart machines that facilitate the use of reusable containers. This initiative also includes an operational management platform that ensures traceability and offers data collection and reimbursement options for food manufacturers, thereby promoting a circular economy in packaging.

Aptimiz

Series A in 2023
Aptimiz is a technology company that specializes in developing a mobile application aimed at improving the efficiency and income of farmers. The application enables users to track their working hours and productivity, providing valuable insights into their agricultural practices. By connecting mobile devices to a web interface, Aptimiz's platform allows farmers to measure, analyze, and optimize their working time in real time. This innovative approach equips farmers with the tools needed to make informed decisions, ultimately enhancing their livelihoods and productivity in the agricultural sector.

Ever Dye

Seed Round in 2023
Ever Dye is a company that specializes in developing eco-friendly dyeing processes for the textile industry. By focusing on innovative dyeing technologies, Ever Dye aims to reduce pollution in textile manufacturing. The company combines new bio-based pigments with efficient dyeing methods to provide sustainable color solutions. This approach enables fashion industry clients to achieve both efficiency and sustainability in their dyeing processes.

Yeasty

Seed Round in 2022
Yeasty produces natural and protein yeast food.

Klaro

Seed Round in 2022
Klaro is a leading French platform that serves as a simulator for over 1,500 national, local, and regional financial aids, accurately calculating their amounts. The platform is designed to help companies enhance their employees' purchasing power by providing access to additional sources of income. Employees can easily discover the aids they qualify for through a user-friendly interface, allowing them to navigate the application process with minimal effort and without paperwork, ultimately facilitating the deposit of aids into their bank accounts. Klaro was established to address the issue of underutilization of financial aids, recognizing that households often miss out on an average of 110 euros in assistance each month. To extend its reach, Klaro collaborates with associations, universities, and social housing organizations to support non-salaried individuals in accessing available aids.

Billiv

Seed Round in 2022
Billiv is a developer of a digital receipts platform that offers eco-friendly alternatives to traditional paper tickets and email receipts. The platform enables users to pay their bills using QR codes at retail locations, allowing them to earn loyalty points while enhancing their shopping experience. By facilitating the sharing of customer experiences, Billiv helps retailers comply with anti-waste regulations and improve their brand image. The company's solutions encompass loyalty programs, customer reviews, and outbound marketing tools, all aimed at fostering customer loyalty and promoting sustainable practices in billing.

WeeFin

Seed Round in 2022
WeeFin is a technology company that specializes in Environmental, Social, and Governance (ESG) data management for the financial industry. It offers a centralized platform that automates reporting processes, enabling investors to efficiently comply with regulations while promoting sustainable finance practices. The platform provides customized strategies and high-quality ESG consulting services, fostering transparent collaboration among financial institutions to enhance their engagement in sustainability efforts.
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