Onyx & Cie SA

Onyx & Cie SA, founded in 1993 and headquartered in Geneva, is a Swiss multi-family office specializing in wealth management, asset administration, and investment advice with a focus on diversified portfolios including equities, bonds, and traditional and alternative funds for wealthy European and Asian families. The firm is family-owned and emphasizes tailored strategies balancing capital preservation and growth.

Onyx Canyon Partners, headquartered in Scottsdale, Arizona, is a family-owned independent sponsor specializing in private equity investments in manufacturing, industrials, materials, technology, business services, and consumer goods. The firm focuses on sustainable growth and operational support for exceptional businesses.

Octogone Family Office SA is a Geneva, Switzerland-based multi-family office. Originally a single-family office for its founding partners, now serving multiple clients with coordinated services.

Arkion is a Geneva-based multi-family office founded in 2001, offering wealth administration, estate planning, tax planning, and corporate services across multiple global offices. It specializes in tailored solutions for international families and companies, focusing on wealth and trust management.

White Oak Management S.A., based in Luxembourg and established in 2018, is a financial services firm specializing in family office functions, fund administration, company management, and tailored wealth solutions. It focuses on supporting high-net-worth families and entrepreneurs with succession planning and asset management.

Swix Family Office is a Lugano, Switzerland-based multi-family office. Established in 2014, by financial specialists serving as independent advisor to prominent families, entrepreneurs and managers.