# Family Office International SA

Family Office International SA is a Single Family Office based in Geneva, Switzerland.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Geneva, Switzerland
- **Region:** Europe
- **Address:** Geneva, Switzerland
- **Founded:** 2005
- **Assets under management:** 1500 (Altss estimate)
- **Website:** familyoffice-intl.com
- **LinkedIn:** https://www.linkedin.com/company/family-office-international-sa

## Regulatory record

- **Reports private funds:** No

## About

Family Office International SA was established in 2005 by Antoine Montandon. The office serves the Montandon family. Antoine Montandon holds an MBA from Bayes Business School, completed in the 2008/2009 class. The office allocates across private equity, hedge funds, real estate, and direct co-investments through SPVs. It also runs a fund-of-funds sleeve and maintains exposure to early-stage opportunities. Confirmed sector activity includes cannabis and psychedelics as well as data analytics. Allocations remain concentrated in Europe, with additional real-estate positions held globally. The firm lists 1,500 million USD under management. It participates in the Family Business Network and the Swiss Association of Asset Managers. Antoine Montandon is also linked to derpobus Sàrl through shared addresses and management roles. The structure centers on a single principal family with direct oversight by the founder, supplemented by external specialists for specific mandates rather than an integrated multi-family platform.

## Sectors

- Cannabis & Psychedelics
- Data Analytics

## People

- Antoine Montandon — Managing Director and Investment Officer

## Questions

### Who runs investment decisions at Family Office International SA?

Antoine Montandon serves as Managing Director and Investment Officer. He founded the office and maintains direct oversight of allocations and governance.

### Does Family Office International SA participate in fund commitments or only direct deals?

The office uses both fund commitments and direct co-investments via SPVs, alongside hedge-fund and real-estate exposure.

### What investment stages does Family Office International SA typically target?

Early-stage opportunities form part of the mandate, alongside later-stage private equity and real assets.

### Which sectors does Family Office International SA focus on?

Confirmed activity centers on cannabis and psychedelics as well as data analytics.

## Related profiles

- [Bold Rock Management](https://altss.com/profile/bold-rock-management)
- [Eastbridge Group](https://altss.com/profile/eastbridge-group)

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Last updated: 2026-08-10T16:07:01.704Z

Canonical page: https://altss.com/profile/family-office-international-sa-antoine-montandon-family-office

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology