In a context of growing competition between territories, several cities wonder how the decline of traditional industries can be compensated for by the development of new and innovative firms. In order to implement efficient policies aiming at promoting entrepreneurship, cities need to mobilize funding and to present themselves as entrepreneurial cities. Their efforts must be known, understood, and appreciated by entrepreneurs whose judgment is guided by their own needs. This paper shows how the European ECER ranking makes it possible to help policy makers and entrepreneurs to assess the efficiency of the policies from the promotion viewpoint, before and after creation, of financing and of the economic environment. JEL codes: L28, R12, R51, R58