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Multi Family OfficeInvests through funds, not into companiesLAST VERIFIED Oct 2026 · 7 SOURCES

Altheo Partners

Paris multi-family office with a Brussels office, owned by its operating partners; advises families on wealth structuring and on listed, private-equity, real-estate and tangible investments.

USEFUL FOR Fund managers raising capital

Identity

HEADQUARTERS
Paris, France
OFFICES
Brussels, Belgium
FOUNDED
2015
OUTSIDE CAPITAL
Yes — also manages others' money

Investment approach

ROUTES
Funds (as LP)
STRATEGIES
Private equityReal estatePublic equities

Overview

Altheo Partners is a Paris multi-family office, registered in 2015 (RCS Paris 810 662 841), with a Belgian entity in Brussels; it is wholly owned by its operating partners and is a member of the AFFO. It serves entrepreneurs, heirs, family holdings, foundations and congregations, covering wealth audits, investment advice and monitoring, governance, philanthropy and real estate. It is registered with ORIAS as a financial investment adviser (CIF), insurance and banking intermediary, and holds a property transaction card; it states it sells no products and holds no funds.

People

  • Alexandre Boissarie
    Founder, Family Partner; Président · source
  • Bérengère Garand-Clavel
    Family Partner · source
  • Olivier Roux de Bézieux
    Family Partner · source
  • Domitille Dufour
    Family Officer · source
  • Malo Legouin
    Family Officer · source

Frequently asked questions

Altheo Partners is a multi family office based in Paris, France, founded in 2015.

Altheo Partners invests in third-party funds as an LP. Its stated asset mix includes private equity, real estate and public equities.

Key people at Altheo Partners include Alexandre Boissarie (Founder, Family Partner; Président), Bérengère Garand-Clavel (Family Partner), Olivier Roux de Bézieux (Family Partner) and Domitille Dufour (Family Officer).

Yes. Altheo Partners manages capital from outside investors.