This book is the result of many years of reflection, research and exploration in the various sectors of the real estate business. Having become crucial with the all-out development of various forms of real estate transactions, it was urgent to venture into this field in order to explore the framework regime of the various operations related to it, starting from the constitution of non-trading real estate companies, their mode of operation and especially that of the various operations that they carry out on a daily basis according to the specificities of each type of company The aim is to encourage reflection on this aspect of real estate law, which has long been sidelined in favour of land law, and to provide a practical guide for SCI operators, business agents and other old and new real estate practitioners.