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B# is a Berlin-based investment organization established in October 2025, focusing on supporting deep tech founders. As a public policy instrument backed by the Investitionsbank Berlin, B# plays a crucial role in helping startups navigate the challenging pre-seed phase, often referred to as the 'valley of death.' The organization aims to empower visionary entrepreneurs with the necessary capital, guidance, and a strong network to create a significant global impact.
With a fund size of €10 million, B# targets approximately 50 investments over four years. The firm is dedicated to fostering innovation in deep tech sectors, including digital tech, climate and energy, industrial transformation, and biotech. B# is not a traditional profit-maximizing venture capital firm; instead, it serves as an ecosystem catalyst with a public mandate to commercialize science and research from Berlin's universities and research institutions.
B# exclusively invests in deep tech sectors, which encompass digital tech, climate and energy, industrial transformation and sustainability, and biotech and life sciences. The organization primarily targets pre-seed stage companies, providing funding through convertible notes in the range of €100,000 to €400,000. This check size is significant for early-stage startups, allowing them to secure the necessary resources to develop their technologies and business models.
In addition to its financial support, B# offers access to a vast network of over 750 co-investors and 490 business angels. This extensive network provides portfolio companies with valuable connections and resources that can facilitate growth and development. The backing from the Berlin government ensures patient capital and mission-aligned incentives, making B# a unique player in the deep tech investment landscape.
B# has built a diverse portfolio of approximately 50 companies, focusing on various deep tech sectors. Some notable companies in their portfolio include:
These companies exemplify B#'s commitment to supporting visionary entrepreneurs who are addressing critical challenges in their respective fields.
To pitch B#, founders should use the application form available at this link. It is important to include a clear overview of the business model, technology, and market potential in the pitch deck. B# values concise and informative presentations that highlight the startup's unique value proposition.
What are B#'s investment criteria?
B# exclusively invests in deep tech sectors, including digital tech, climate and energy, industrial transformation, and biotech. They focus on pre-seed stage companies and provide funding through convertible notes ranging from €100,000 to €400,000.
How can I apply or pitch to B#?
Founders can apply through the application form available at this link. It is recommended to provide a clear overview of the business model, technology, and market potential in the pitch.
What makes B# different from traditional VCs?
B# operates as a public policy instrument backed by the Investitionsbank Berlin, which means they focus on mission-aligned incentives and patient capital rather than solely profit maximization. This approach allows them to support startups in the challenging pre-seed phase.
What is B#'s geographic focus?
B# primarily invests in startups based in Europe, particularly those located in Berlin or willing to relocate to the city. This geographic focus aligns with their mission to commercialize local scientific research.
What kind of support does B# provide post-investment?
B# offers access to a vast network of over 750 co-investors and 490 business angels, which can provide valuable connections and resources for portfolio companies. They also offer guidance and support to help startups navigate their growth challenges.
What is the expected response time for applications?
B# typically reviews applications within a few weeks. Founders are encouraged to be patient and may follow up if they do not receive a response within this timeframe.
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