This thesis deals with the codes of ethics and their role in the financial organizations.The first part outlines the theoretical significance and function code of ethics, its characteristics, development, advantages and disadvantages. The second part continues with a more detailed examination of codes of ethics in the business and financial sectors, including the dismantling of the phenomenon of corporate social responsibility. The importance of the implementation of codes of ethics is illustrated on the example of the financial crisis in the U.S.. The aim is to assess the comprehension of current codes, and practical examples show the differences between ethical codes in specific organizations of the financial sector in the Czech Republic,...