Family Office International SA (Antoine Montandon Family Office) is a family office - single based in Geneva, Switzerland, founded in 2005. Verified contact details, AUM data, and investment preferences on FindLPs.
Family Office International SA is a single family office based in Geneva, Switzerland, managing the private wealth and investments of the Antoine Montandon family. Founded in 2005. The firm manages approximately $1.5B in assets under management.
FindLPs holds verified direct email addresses and phone numbers for decision-makers at Family Office International SA (Antoine Montandon Family Office). Contact details are masked on the free plan — start a plan to unlock full access and CSV export.
Unlock Contact DetailsSearch 25,850 limited partners with verified contact details.
LP firm data compiled from public regulatory filings (SEC Form ADV, FCA, AIFMD disclosures), company websites and press releases, LinkedIn public profiles, and verified outbound email testing. AUM figures reflect self-reported values from filings and may lag by 1–2 fiscal quarters; bands are normalized in USD. We do not publish personal residential information; firms or individuals may request removal at /contact. Methodology & sources · Updated July 2026.