Start-up creation and development in France and Spain: the role of Business Incubators and Accelerators This paper wants to analyse the world of Incubators that support startups. In the previous years, the Social Innovation Monitor conducted a survey on the Italian Incubators. Nowadays, the Social Innovation Monitor expanded the study and mapping of European territory on the topic of Incubators thanks to some students in a master’s degree. The Countries presented in this Master Thesis are France and Spain; major European Countries in different fields. The study presented in the following pages starts with a description of the subject and general definitions.