Please note that the VLTP and Petite Remise Provider categories are only available in France.
Different regulations apply to different categories of Transport providers, and each one has its own set of specific details. The most important thing to know is that the Taxi is the only service that can pick up Travelers (clients) in the street without prior booking.
In order to find out more about these differences, please consult the regulations' pages for each one of these professions: Taxi, VTC, VLTP, Petite Remise.