Stanyo Dinov analyses and compares the three most advanced and most influential financial systems in the world, their structure, models of regulation and their actual financial legislation against the background of the global financial crisis in 2007. After a brief introduction, the first chapter is devoted to the function of the Central Banks and the two main divisions theories about the role of the CBs, namely their responsibility for monetary policy, or for monetary policy and banking supervision. The work also displays the four existing regulative approaches to financial supervision: the Institutional, the Functional, the Integrated and the Twin Peaks. The main part represents and compares the Central Banks and their regulatory structure, starting with the oldest one, the BoE. The benefits and the drawbacks of the one or the other system are outlined. In the conclusion, the most important results are presented and an ideal modal solution is suggested.