This paper aims to find an answer to the question whether and to what extent the concept of a Regulatory Sandbox for FinTech companies should be applied at the supranational level of the European Union. In several steps the term "FinTech" will be narrowed down and its effects on the global financial sector analyzed. Afterwards, the three most common regulatory approaches are presented, whereby the Regulatory Sandbox is described in more detail using the sandbox of the Financial Conduct Authority from the United Kingdom as an example. Finally, the relevant regulatory authorities in the EU are discussed. The results make clear that the economic importance of FinTechs is increasing significantly. Considering the fact that FinTechs from Great Britain account for almost three quarters of the total market volume, it is still clear that the EU must become much more attractive in the face of the...