InforCapital
CompanyGermanyUpdated Apr 5, 2026
The Büll Family Office

The Büll Family Office

The Büll Family Office: Investor, Limited Partner • focus on Venture Capital, Private Equity • active in Germany, Europe • offices in Germany.

Company Profile

The Büll Family Office operates as a family-owned investment firm, primarily through its investment vehicle, ABACON CAPITAL. Established in 2019 as an extension of the Büll Family Office, which itself has roots dating back to 2002, the firm focuses on long-term entrepreneurial investments. ABACON CAPITAL invests across both public and private markets, driven by a mission to support companies that contribute to the co-elevation of people, purpose, and profit for a prosperous society and planet.

The firm's investment strategy is concentrated on transformative sectors, including Energy Transition, Deep Tech, and Real Estate. They also show a strong interest in New Age Mobility, Environment Tech, UrbanTech, AI Infrastructure & AI Model Development, Built Environment, Engineering/Manufacturing, and digital consumer services. ABACON CAPITAL actively seeks opportunities in clean energy, sustainable real estate, and next-generation mobility, reflecting a commitment to addressing global challenges through strategic investments.

ABACON CAPITAL engages in various investment stages, including Seed, Series A, Series B, and Growth rounds, demonstrating flexibility in supporting companies from early development through scaling. Notable investments include CustomCells, a battery development company, Tomorrow, a digital bank, and Wirelane, a provider of e-mobility charging solutions. The firm often co-invests with other funds, indicating a collaborative approach to its investment activities.

The leadership team includes Albert Büll as Team Lead, Tobias Krauss as CEO, and Sven Rossmann as CIO. Andreas Steer serves as the Director of Portfolio Support. This team blends industrial asset management with a focus on disruptive innovation, leveraging their collective expertise to guide the firm's investment decisions and support portfolio companies.

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