A business law graduate, Laurent Dassault also holds a degree from the Paris ESSCA (School of Applied Commercial Sciences).

In 1977, he began his career at Banque Vernes and at Banque Industrielle et Commerciale du Marais, taking over Banque Parisienne Internationale with Paribas in 1990.

In 1992, he joined Groupe Industriel Marcel Dassault (GIMD), where he now holds important positions within its various French and foreign structures. Thus he is Chairman and Managing Director of Dassault Belgique Aviation, Managing Director of Immobilière Dassault SA and a member of the board of GIMD, Dassault Systèmes, SOGITEC Industries SA, IPS (Industrial Procurement Services) and APRO (Aero Precision Repair and Overhaul Company). He is also Chairman of Midway Aircraft and of Dassault Falcon Jet Do Brazil.

Laurent Dassault has been a member of Kudelski SA's Board of Directors since 1995.