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Multi Family OfficeNo direct investingLAST VERIFIED Oct 2026 · 4 SOURCES

Paris and Geneva multi-family office founded in 2001, advising wealthy families and entrepreneurs on investments, legal and tax structuring, governance and private administration.

Identity

HEADQUARTERS
Paris, France
OFFICES
Paris · Geneva
FOUNDED
2001

Overview

MJ&Cie is a multi-family office with offices in Paris (109 boulevard Haussmann) and Geneva, founded in 2001 by François Mollat du Jourdin. It advises families on asset allocation across listed and unlisted assets, selects and supervises their managers, and covers legal and tax structuring, family governance, private secretariat and corporate advisory. It states that it does not manage client assets itself and is registered with ORIAS (no. 07004635) as a financial investment adviser (CIF) and insurance and banking broker.

Investment thesis

Bespoke asset allocation across listed, private equity and private debt, infrastructure, club deals, real estate, land and agricultural assets and collectibles, executed through managers selected by tender and supervised on the family's behalf.

People

  • François Mollat du Jourdin
    Founding President · source
  • Corinne Louis
    Partner, Co-founder · source
  • Denise Kenyon Rouvinez
    Strategic Council member · source
  • Pierre Guilhem
    Strategic Council member · source
  • Alberto Haddad
    Strategic Council member · source
  • Laurent Isenegger
    Strategic Council member · source

Classification

Multi Family Office. Provides family-office services to several families and invests or allocates their money — through mandates, its own programmes or club deals. Advice-only firms are not listed. How family capital is classified →

FAQ

MJ&Cie is a multi family office based in Paris, France, founded in 2001.

MJ&Cie does not publicly state whether it invests directly or through funds.

Key people at MJ&Cie include François Mollat du Jourdin (Founding President), Corinne Louis (Partner, Co-founder), Denise Kenyon Rouvinez (Strategic Council member) and Pierre Guilhem (Strategic Council member).