The Concept of “Management” is undoubtedly connected to the one of decision making process, since it constitutes the fundamental process of an organization (private or public) on which its beneficial and substantial operation depends. Especially at present time, the Public Management in Greece, the “sick man” of the country is obliged to make radical and crucial reforms in order to function as the profound pylon of the country’s exit from the extensive financial crisis. The multicriteria analysis of the decisions can be a suitable field of finding effective methods offered for implementation during the process of making decisions and the prolific assessment of the action of the Public Sector. This paper presents the benefits of the application of the method in question (“Socrates Method”), which is based on the multicriteria evaluation methods and more specifically refers to the case study of the General Secretariat for Public Revenue of the Ministry of Finance.