[citation needed] Pierre Bellon began his career in 1958 in the family business, as a sales representative, then management assistant, a position in which he managed to win various contracts.

In 1966, with the help of his family, he founded Sodexho SA (Société d'exploitations hôtelières, aériennes, maritimes et terrestres).

This company that was renamed Sodexo in 2008 Sodexo supplies a variety of auxiliary services for thousands of institutions, including schools, hospitals, retirement centers, corporate and government offices, armed forces, recreational facilities, and correctional institutions.

[2] Sodexo is a public traded company on New York and Paris exchanges.

Bellon relinquished the group CEO position of Sodexo in 2005, but continued as the chairman of the company until January 2016, when his daughter Sophie Bellon succeeded him as chairman.