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Vitamin°C is a female-led early-stage climate venture fund based in Zurich and San Francisco. Founded in 2026, the firm focuses on investing in technologies that can significantly reduce or remove carbon emissions and improve human resilience as climate impacts intensify. The fund has a target size of EUR18M, with a first close reported in March 2026. Vitamin°C aims to fill the investment gap in climate solutions, which are increasingly recognized as critical economic infrastructure.
The firm operates with a dual approach, combining early-stage investing with a philanthropic arm known as the Vitamin°C Lab. This initiative provides additional support to portfolio teams beyond capital, enhancing their ability to create lasting impacts in addressing climate challenges. Vitamin°C's commitment to climate mitigation and adaptation is reflected in its investment strategy, which emphasizes systemic thinking in venture capital.
Vitamin°C invests in initiatives aimed at climate resilience and human adaptation to climate change. The firm targets sectors such as green energy, food and agriculture, carbon removal, and wildfire technology. Investments are made at the pre-seed and seed stages, with check sizes ranging from EUR0.5M to EUR1.5M. The geographic focus includes North America and Western Europe, particularly Zurich and San Francisco.
The firm seeks to back courageous builders who are addressing significant climate levers as the world moves toward 2°C warming. Vitamin°C emphasizes the importance of measurable impact, looking for companies that can mitigate or remove at least 100,000 tons of CO2 or improve the resilience of 100,000 people annually within five years. This focus aligns with their thesis that climate solutions are becoming essential economic infrastructure.
Vitamin°C's portfolio currently includes:
Sophie Lamparter (Founding Partner, San Francisco) - Sophie has over 15 years of experience helping European deep tech companies expand into the US market. She has previously worked with swissnex San Francisco and was part of the first US team at MindMaze. Sophie is also a co-founder of DART Ventures, bringing a wealth of knowledge in venture capital and operational support.
Nathalie Moral (Founding Partner, Zurich) - Nathalie is a founding partner at Vitamin°C and has been quoted on the fund's thesis. She has a background as an early investor in the Swiss carbon capture company Climeworks, showcasing her expertise in climate technologies and investment.
Marco Schneider (Principal, Zurich) - Marco serves as a principal at Vitamin°C and is involved in the firm's operations in Zurich. His role includes supporting the investment process and engaging with portfolio companies to drive their growth.
To pitch to Vitamin°C, founders should use the online pitch form available at vitaminc.vc/pitch. The firm prefers detailed submissions that outline the startup's mission, technology, market potential, and impact metrics. Founders can also reach out via email at hello@vitaminc.vc for any inquiries or additional information.
While the application cycle and decision timeline are not disclosed, Vitamin°C encourages open communication and is responsive to pitches submitted through their preferred channels. Founders should ensure their decks are concise and focused on the key aspects of their business.
In April 2026, Vitamin°C participated in a seed round for Satellites on Fire, investing US$2.7M in the AI-driven wildfire detection company. This investment aligns with the firm's focus on climate resilience and human adaptation to climate change.
In March 2026, Vitamin°C announced the first close of its debut fund, securing EUR18M to support early-stage climate mitigation and adaptation initiatives. This milestone marks a significant step for the firm as it begins to build its portfolio and impact in the climate sector.
What are Vitamin°C's investment criteria?
Vitamin°C invests in early-stage companies focused on climate mitigation and adaptation, particularly in sectors like green energy, food and agriculture, and carbon removal. They look for measurable impact, specifically companies that can mitigate or remove at least 100,000 tons of CO2 or improve the resilience of 100,000 people annually within five years.
How can founders pitch to Vitamin°C?
Founders can pitch to Vitamin°C through their online pitch form available at vitaminc.vc/pitch. The firm encourages open pitches and provides a dedicated email at hello@vitaminc.vc for inquiries.
What makes Vitamin°C different from other venture funds?
Vitamin°C combines early-stage investing with a philanthropic arm, the Vitamin°C Lab, which offers additional support to portfolio companies beyond capital. This unique approach aims to create lasting impacts in addressing climate challenges.
What is the geographic focus of Vitamin°C?
The firm primarily invests in North America and Western Europe, with a particular emphasis on Zurich and San Francisco.
What is the typical check size for investments?
Vitamin°C typically invests between EUR0.5M and EUR1.5M in their portfolio companies.
What is Vitamin°C's decision timeline for investments?
The decision timeline for investments has not been disclosed, but founders are encouraged to reach out via the provided pitch email for more information.
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