He is ranked 329th richest person in the world according to Forbes, with an estimated fortune of US$4 billion.
In late 2004, his investment group started building a stake in advertising group Havas, becoming its largest single shareholder. He mounted a coup and replaced Alain de Pouzilhac as CEO in July 2005. In 2005, through his family company, he expanded his media interests by launching the Direct 8 television station. Towards the end of 2005, he began building a stake in independent British media planning and buying group, Aegis. As of July 2006, his stake in Aegis stood at 29%. Direct Soir, a free newspaper, was launched in June 2006. In January 2008, he manifested interest in becoming a shareholder of famed, but troubled, Italian car manufacturer Pininfarina. The Bolloré Group also has important positions in the economies of several former French colonies in Africa (in particular Ivory Coast, Gabon, Cameroon, and Congo).