Family Office, a Profession
THE FIRST INDEPENDENT FRENCH FAMILY OFFICE
In 2001, we founded the first independent French multi-family office, on a disruptive model: a comprehensive advisory service, without a product approach, commissions, or indirect remuneration. Initially met with skepticism, our model has proven its worth over time: named “European Family Office of the Year” in 2009, we have been ranked among the best family offices in France since 2015.
Yet, the term “family office” alone does not guarantee rigor and impartiality. As active members of the French Family Office Association (AFFO) and the European Network of Family Offices (ENFO), co-founded and chaired by François Mollat du Jourdin, we are committed to developing best practices in the profession.
We pursue our goal with the same level of demand: to assist high-net-worth individuals and entrepreneurs in organizing and managing their private wealth while ensuring long-term family interests and harmony.
A FAMILY OFFICE SERVING LARGE ESTATES AND ENTREPRENEURS
Every client of our family office receives personalized support.
MAJOR INTERNATIONAL PRIVATE INVESTORS
Europe, and France in particular, represent both attractive investment destinations (real estate, shares, portfolios, and more) and exceptional places of leisure for international families. We ensure continuous supervision of your interests, in connection with your jurisdiction of origin.
ENTREPRENEURS
Structuring and securing your wealth is essential during its growth, through liquidity events, and at the time of transfer. Together with leading professionals in wealth and mergers & acquisitions, we launched the 3B alliance to offer a comprehensive and integrated service. This partnership built on complementary and independent expertise supports you in your entrepreneurial and patrimonial challenges.
SHAREHOLDING FAMILIES
As your family grows and generations succeed one another, their expectations evolve, sometimes diverging. Governance, philanthropy, and mediation are key. We offer tools built around common values to ensure family cohesion and harmony. We also help prepare younger generations for their future responsibilities.
FOUNDATIONS, TRUSTS, AND NON-PROFIT ORGANIZATIONS
As key economic actors, owners of sometimes extensive assets and beneficiaries of legacies and donations, you must perpetuate and grow these assets. We support you with complete independence, strong convictions, and in-depth knowledge of the necessary actions. The relationship is thus custom and proactive, responding to short and long-term objectives.
An international family office
Our family office supports both French and international families. Based in Paris since our inception, we opened offices in Geneva in 2014, an international platform offering resources and strategic access to global wealth management markets.
Politically, socially, and economically stable, Switzerland trains and attracts highly qualified professionals. Understanding of business, currencies, markets, and international logic is deeply rooted there.
In 2023, we strengthened our international presence by establishing NSC Advisor, our Swiss subsidiary dedicated to corporate advisory for family businesses based in Europe, the Middle East, and Africa.
NSC Advisor services include:
• Strategic development analysis
• Financing and investment advice
• Identification and introduction of financial partners
• Management of banking relationships
• Real estate advice
Frequently Asked Questions
A family office is an independent structure that supports wealthy families in the comprehensive management of their wealth. A true long-term strategic partner, it acts as a coordinator, ongoing auditor, and guardian of overall asset coherence — going beyond purely financial aspects.
Its areas of expertise include:
- financial management,
- legal and tax structuring,
- family governance,
- wealth transmission,
- and philanthropic projects.
There are two main types:
- the single-family office, dedicated to a single family,
- the multi-family office, which pools resources to support several families.
MJ&Cie, the first independent multi-family office founded in France in 2001, supports a deliberately limited number of families with a selective, tailor-made, and human approach.
Choosing MJ&Cie means choosing:
- a trusted, independent partner,
- a 360° vision — human and wealth-oriented,
- sustainable optimization that generates savings,
- better risk management,
- and more time and peace of mind to focus on what truly matters to you.
Our contracts are open-ended, with a three-month notice period. The relationship is designed to last, yet remains free and flexible.