FONS Family Office Network Service
FONS Family Office Network is a multi-family office headquartered in Geneva, Switzerland. Established in 2004, it originates from the legal and fiduciary practices of its founding partners, whose professional earnings anchor the families’ investment capital.

FONS Family Office Network Service
FONS Family Office Network is a multi-family office headquartered in Geneva, Switzerland. Established in 2004, it originates from the legal and fiduciary practices of its founding partners, whose professional earnings anchor the families’ investment capital. The firm advises on inheritance, tax, real estate, banking, art and education matters for European entrepreneurial families—supports cross-border succession planning, direct co-investments and diversified private-market allocations.
General information
Firm type
Multi Family Office
Year founded
2004
AUM
—
Location
Region
Europe
Country
—
City
Geneva
Corporate office
—
Frequently asked questions
What is FONS Family Office Network Service?
FONS Family Office Network Service is a multi family office headquartered in Geneva.
When was FONS Family Office Network Service founded?
FONS Family Office Network Service was founded in 2004.
Where is FONS Family Office Network Service headquartered?
FONS Family Office Network Service is headquartered in Geneva, in the Europe region.
What does Altss track for FONS Family Office Network Service?
Altss maintains an OSINT-verified profile of FONS Family Office Network Service 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 FONS Family Office Network Service's website?
FONS Family Office Network Service's public website is www.fons-sa.ch. Verified contact details for principals and decision-makers are available to Altss subscribers.
What type of firm is FONS Family Office Network Service?
FONS Family Office Network Service is classified by Altss as a Multi Family Office within the Europe region.
How does Altss source intelligence on FONS Family Office Network Service?
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 FONS Family Office Network Service?
FONS Family Office Network Service'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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