This research undertakes a comparative analysis of the banking systems in the United States and Great Britain, evaluating their structures, regulatory frameworks, and operational dynamics. The study will explore the historical evolution of banking in both countries, highlighting key developments and transformations. Furthermore, it will investigate the impact of economic policies, technological advancements, and global events on the banking sectors. The analysis aims to provide a comprehensive understanding of the similarities and differences, offering insights into each system's strengths and weaknesses. Also, this research provides a detailed overview of the role and operation of central banks.