This contribution pays special attention to the Italian legal framework concerning the collaborative and sharing economy, with a focus on those economic initiatives which are platform mediated. This choice is due to the importance of the concept of “platform” in the definitions of the CSE provided at both the Italian and the European levels. As highlighted in some studies, most actors of the CSE can be considered not only economic disruptors but also policy disruptors. Thus, the chapter tries to shed light on the difficulties Italian regulators had while dealing with the emergence of these actors, especially in sectors such as food, accommodation, delivery, and transport. Italian policymakers were not able to design new regulatory framework...