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Multi Family OfficeInvests through funds, not into companiesLAST VERIFIED Oct 2026 · 5 SOURCES

Member of the CROCE & Associés group CROCE & Associés

Also known as Onyx & Cie

Geneva multi-family office founded in 1993, owned by a Swiss family of lawyers and part of the CROCE & Associés group; offers wealth management, estate planning and concierge services.

USEFUL FOR Fund managers raising capital

Identity

HEADQUARTERS
Geneva, Switzerland
FOUNDED
1993

Investment approach

ROUTES
Funds (as LP)
STRATEGIES
Public equitiesHedge funds

Overview

Onyx & Cie SA is a Geneva-based multi-family office founded in 1993 with share capital of CHF 500,000, a member of the Swiss Association of Asset Managers (ASG). It is wholly owned by members of one Swiss family of lawyers and belongs to the CROCE & Associés group, which also includes a law firm with offices in Geneva, London, Singapore and Shanghai and a trust company in New Zealand. It manages client assets under discretionary and advisory mandates across equities, bonds and traditional and alternative funds, and also provides estate and succession planning, legal and accounting services, concierge services and philanthropy support.

Frequently asked questions

Onyx & Cie SA is a multi family office based in Geneva, Switzerland, founded in 1993.

Onyx & Cie SA invests in third-party funds as an LP. Its stated asset mix includes public equities and hedge funds.