Onyx et Cie
Onyx et Cie is a multi-family office headquartered in Geneva. The firm provides tailored wealth management, investment advisory, and succession planning services to families and entrepreneurs.
Onyx et Cie
Onyx et Cie is a multi-family office headquartered in Geneva. The firm provides tailored wealth management, investment advisory, and succession planning services to families and entrepreneurs. With a focus on long-term capital preservation and growth, Onyx et Cie works closely with clients to address complex cross-border needs—offers integrated solutions across asset classes, estate structuring, and philanthropic initiatives to support multigenerational wealth objectives.
General information
Firm type
Multi Family Office
Year founded
—
AUM
—
Location
Region
Europe
Country
—
City
Geneva
Corporate office
—
Frequently asked questions
What is Onyx et Cie?
Onyx et Cie is a multi family office headquartered in Geneva.
Where is Onyx et Cie headquartered?
Onyx et Cie is headquartered in Geneva, in the Europe region.
What does Altss track for Onyx et Cie?
Altss maintains an OSINT-verified profile of Onyx et Cie 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 type of firm is Onyx et Cie?
Onyx et Cie is classified by Altss as a Multi Family Office within the Europe region.
How does Altss source intelligence on Onyx et Cie?
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 et Cie?
Onyx et Cie'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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