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Beelong Family Office, headquartered in Paris since 2021, is an independent family office offering bespoke patrimonial services including legal, tax, and investment strategies with strong expertise in private banking and asset management. It is mission-driven and recognized for its excellence with multiple awards since 2023.

3d investors, founded in 1992 by the Donck and Desimpel families, is a Gent, Belgium-based family private equity firm with over 30 years of experience. It invests in medium-sized companies across diverse sectors including technology, healthcare, manufacturing, and public services, emphasizing innovation and international growth.

Aestia Capital is a European and North American family office owned by the Bel Group's founding families. Established about 15 years ago as part of Unibel's diversification strategy, it focuses on private equity minority investments and listed market wealth management funds.

SPDG (Périer-D'leteren Family Office) is a Brussels-based family office co-managing the D'Ieteren Group, with a founding legacy dating back to 1805. The firm primarily invests in consumer electronics, automotive, and software sectors, focusing on innovative projects that enhance road mobility and smart city infrastructure across Belgium, France, and Germany.

Blue Bell Capital, established in 2014, is a family office with a focus on high-design luxury residential properties and innovative ventures in both commercial and hospitality sectors. With nearly a century of combined expertise, the firm also ventures into early-stage innovations, particularly in technology related to real estate and lifestyle markets.

Bruellan is a multi-family office founded in 1991 and headquartered in Geneva, Switzerland. It specializes in global wealth management, asset management, and succession planning with a focus on long-term, sustainable investments primarily benefitting family clients internationally.