Onyx & Cie SA
Onyx & Cie SA is a multi-family office headquartered in Geneva, Switzerland. Founded in 1993 , the firm originates from the Croce family’s cross-border legal practice and has evolved into an independent platform providing wealth preservation, asset...
Onyx & Cie SA
Onyx & Cie SA is a multi-family office headquartered in Geneva, Switzerland. Founded in 1993 , the firm originates from the Croce family’s cross-border legal practice and has evolved into an independent platform providing wealth preservation, asset management, tax and estate planning, and lifestyle administration for European and Asian high-net-worth families. Its lawyer-led board applies Swiss regulatory standards and maintains CHF 500,000 in share capital —investing with a long-term, multi-generational outlook.
General information
Firm type
Multi Family Office
Year founded
1993
AUM
—
Location
Region
Europe
Country
—
City
Geneva
Corporate office
1201, Geneva, CH, rue des Alpes 7
Frequently asked questions
What is Onyx & Cie SA?
Onyx & Cie SA is a multi family office headquartered in Geneva.
When was Onyx & Cie SA founded?
Onyx & Cie SA was founded in 1993.
Where is Onyx & Cie SA headquartered?
Onyx & Cie SA is headquartered in Geneva, in the Europe region.
How many professionals work at Onyx & Cie SA?
Altss tracks approximately 1 professional associated with Onyx & Cie SA.
What does Altss track for Onyx & Cie SA?
Altss maintains an OSINT-verified profile of Onyx & Cie SA covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.
What is Onyx & Cie SA's website?
Onyx & Cie SA's public website is www.onyx-cie.ch. Verified contact details for principals and decision-makers are available to Altss subscribers.
What type of firm is Onyx & Cie SA?
Onyx & Cie SA is classified by Altss as a Multi Family Office within the Europe region.
How does Altss source intelligence on Onyx & Cie SA?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
How fresh is the Altss profile for Onyx & Cie SA?
Onyx & Cie SA's profile is part of Altss's continuous-refresh dataset, with a full update cycle at least every 30 days and priority changes applied as new information is verified.
Company types
Confirmed
Pipeline
Indicated
Negative
Industry focuses
Confirmed
Pipeline
Indicated
Negative
Regional focuses
Confirmed
Pipeline
Indicated
Negative
Technological focuses
Confirmed
Pipeline
Indicated
Negative
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Get accessInvestment stages
Confirmed
Pipeline
Indicated
Negative
Emerging interests
Hard exclusions
ESG policy
Direct deal program
Emerging manager LP program
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Get accessManager maturity preference
Confirmed
Indicated
Ticket size (USD M, min/max)
Preferred fund size (USD M, min/max)
Investment horizon (years, min/max)
Target IRR (%)
Max leverage
Liquidity terms
Currency preference
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Get accessPhilanthropy-only themes
Political donations
Service Providers & Advisors
| Category | Firm | Years Active | Primary Contact |
|---|---|---|---|
Company Deals
| Date | Company | Type | Sector | Geography | Role | Amount | Deal Lead | Co-investors | Insight |
|---|---|---|---|---|---|---|---|---|---|
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Get accessFund Commitments
| Date | Fund | Strategy | Geography | Role | Fund size | Vintage |
|---|---|---|---|---|---|---|
Club Memberships and Associations & Advisors
| Organization | Role | Since | Notes |
|---|---|---|---|
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Get accessEvent & Conference Participation
| Event | Role | Date | Location |
|---|---|---|---|
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Continuous refresh with full update cycles at least every 30 days.
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