Bertrand Mariaux

Bertrand Mariaux.JPG

Bertrand Mariaux is a registered lawyer with the Luxembourg (Liste 1 - oath-taking, 2011) and Paris (oath-taking, 2010) law societies. He has an LL.M. (hons), is a Certified Expert in Microfinance and has studied social entrepreneurship and impact investing. Bertrand has been involved in social entrepreneurship and microfinance projects.



Before founding Bertrand Mariaux Avocats, Bertrand has gained skills and robust experience within top-tier international UK based "Magic Circle" law firms covering aspects including investment funds, mergers & acquisitions, corporate finance, capital markets, and regulatory matters. He also trained at a top-tier international French law firm in Paris.

In addition, Bertrand successfully managed all legal affairs within the Financial Risk Unit of the Risk Management Department at the European Investment Bank.

Recently, Bertrand gave a presentation before the Haut Conseil à la Vie Associative in Paris (a French Prime Minister office's institution dedicated to the non-for-profit sector) about the latest piece of Luxembourg legislation on Social Impact Company (Sociétés d'Impact Sociétal - SIS).

Among other social impact investing ventures, Bertrand has volunteered and worked on projects involved in scaling the microfinance operations of an NGO in Uganda.

He is also one of the founding members of the Institut Luxembourgeois de Médiation, a nonprofit alternative dispute resolution organisation.


Bertrand is a registered Lawyer in Luxembourg (2011) and France (2010). While studying at the bar School in Paris, he obtained an LL.M. with distinction from Bond University. 

Bertrand has also acquired experience, skills, and knowledge in impact investing, social entrepreneurship & business. He has studied with the University of Oxford and the Wharton School of the University of Pennsylvania and is a Certified Expert in International Microfinance from the Frankfurt School of Finance & Management.

While at the Paris Bar School Bertrand also founded a legal aid association in a disadvantaged Paris suburb which finally received the support of the Paris Law Society.