Single Family Office

Family Office International SA (Antoine Montandon Family Office)

Family Office International SA (Antoine Montandon Family Office) is a single-family office headquartered in Geneva, Switzerland.

Family Office International SA (Antoine Montandon Family Office)

Family Office International SA (Antoine Montandon Family Office)

Family Office International SA (Antoine Montandon Family Office) is a single-family office headquartered in Geneva, Switzerland. Established in 2001, it manages wealth created through the Montandon lineage’s long-standing Swiss watchmaking and related industrial ventures. The office partners with private banks, fund managers and specialists to preserve capital, underwrite direct investments and coordinate intergenerational governance for its principals—driving disciplined multi-asset stewardship.

General information

Firm type

Single Family Office

Year founded

2005

AUM

Location

Region

Europe

Country

City

Geneva

Corporate office

14, Rue du Rhône, 1204 Geneva, Switzerland

Frequently asked questions

What is Family Office International SA (Antoine Montandon Family Office)?

Family Office International SA (Antoine Montandon Family Office) is a single family office headquartered in Geneva.

When was Family Office International SA (Antoine Montandon Family Office) founded?

Family Office International SA (Antoine Montandon Family Office) was founded in 2005.

Where is Family Office International SA (Antoine Montandon Family Office) headquartered?

Family Office International SA (Antoine Montandon Family Office) is headquartered in Geneva, in the Europe region.

What does Altss track for Family Office International SA (Antoine Montandon Family Office)?

Altss maintains an OSINT-verified profile of Family Office International SA (Antoine Montandon Family Office) 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 Family Office International SA (Antoine Montandon Family Office)'s website?

Family Office International SA (Antoine Montandon Family Office)'s public website is www.familyoffice-intl.com. Verified contact details for principals and decision-makers are available to Altss subscribers.

What type of firm is Family Office International SA (Antoine Montandon Family Office)?

Family Office International SA (Antoine Montandon Family Office) is classified by Altss as a Single Family Office within the Europe region.

How does Altss source intelligence on Family Office International SA (Antoine Montandon Family Office)?

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 Family Office International SA (Antoine Montandon Family Office)?

Family Office International SA (Antoine Montandon Family Office)'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.

Profile maintained by 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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