Between 1973 and 1978, Paul-Hervé Vintrou was Deputy Director and Marketing Director of Vidéogrammes de France (production of corporate films and television series), then Sales Director of Groupe Bayard from 1979 to 1980. General Secretary of Notre Temps, part of the same group, in 1981 and 1982, he later joined editorial staff and became Director of Management for Groupe Expansion (1983-1984).

Director General of SIRCA (recruitment consulting) in 1985, Paul-Hervé Vintrou was Director of Subscriptions for Groupe Canal+ from 1986 to 1994. In this post he created two television magazines (Canal + Magazine, with circulation of 4.5 million, and CanalSat, circulation of 1.5 million). At Canal+, he became Director of Subsidiaries and Shareholdings and Managing Director for Commercial Affairs from 1994 to 1996. In 1996, he was appointed to NC Numéricable (Groupe Vivendi-Canal+).

Paul-Hervé Vintrou was also director of a football magazine (Onze Mondial) and a film magazine (Studio Magazine). He taught for 10 years at Paris University XIII.