In this paper the author analyzes the free movement of companies between EU Member States, one of the most essential conditions enabling the freedom of business in the European Union. It is obvious that in every European country, the constitution and/or legal order guarantees the basic fundamental rights for the people and settles the exercise of power. In conducting the research it is very important to examine the appearance of the two fundamental freedoms which are the essence of present topic, the freedom to provide services and the freedom of establishment. Both rights are listed in the basic treaties of the European Union and their nature is explained herein through interpretation of the text of the treaties, and through the jurisdicti...