Groupe Upperside

Upside Equity GmbH, based in Munich, Germany, is an investment firm specializing in alternative participations. It focuses on minority and majority stakes in profitable small and medium-sized enterprises, particularly growth and expansion financing, spin-offs, and buy & build situations involving entrepreneurial families and family offices.

Family Partners is a Paris-based independent multi-family office founded in 2011, managing around $1 billion in assets for nearly 50 families, primarily entrepreneurs with a focus on technology sectors, private equity, and private debt investments, with plans for regional and international expansion.

Altur Investissement, based in Paris, is a single-family office founded in 2006 by Francois Lombard. It invests in unlisted, high-growth companies across sectors including health, outsourced services, distribution, and hospitality, leveraging a platform model for strategic support.

Upwind Holding GmbH, a family-owned investment firm based in Singen and Berlin, Germany, focuses on long-term investments in healthcare, sports, and real estate, including office buildings and social services residential facilities. Founded in the 1930s, it balances growth with responsible investment strategies.

Otium Capital, founded in 2009 by Pierre-Edouard Sterin, is an international family office headquartered in Paris. The firm invests broadly across venture technology, industrial ventures, leisure, real estate, and opportunistic sectors, primarily focused on France.