EN
The main aim of this article is to determine the relationship between the President of the Office of Electronic Communications and telecommunications operators in the context of the Institutional Agency Theory. The paper presents the essence of the institution, describes the key aspects of Institutional Economics, with particular emphasis on Agency Theory, New Institutional Economics (NIE ). In last part of the article was described the institutional conditions of the cooperation between the President of the Office of Electronic Communications and telecommunication operators, including mainly the Orange Polish in the light of Agency Theory.