O4 & Partners is a family office - multi based in Maarssen, Netherlands, founded in 2008. Verified contact details, AUM data, and investment preferences on FindLPs.
O4 & Partners is a family office - multi based in Maarssen, Netherlands. Founded in 2008.
Investment types: Buyout, Fund of Funds, Growth, Venture (General)
Sectors & themes: Diversified, Financial & Insurance Services, Industrials
Preferred geographies: East and Southeast Asia, Emerging Markets, Europe, Global, Greater China, North America
Location: Schippersgracht 19
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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 We do not publish personal residential information; firms or individuals may request removal at /contact.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.