In this final work we started from the very definition of public service, ways of division of public service and the principles underlying their management with special emphasis on the principle of public service for the administrative office of the European Union, since the work relating to the diversity of the traditions of public services in the European Union. Public service in modern countries have to satisfy the general interest, with focus on the relationship of citizens and public services, and the perseverance of the European Union on the grounds that differences tradition reached a common platform for further provision of public services to the citizens of the Member States of the Union. This work provide us with an overview of the transformation of public services into services of general interest, and the gradual evolution of the concept of service of general economic interest - the fundamental laws to documents and decisions of the European Commission, and the status, organization and operation of services of general interest in the three most developed countries of Western Europe - France, Germany and Great Britain. Services of general economic interest undergoing a process of liberalization, privatization, commercialization and insurance subsidiary, while in non-economic services of general interest shows that there is a movement focus on issues of quality assurance, increasing the role of the user, and the preferred measure of private initiative.