EN
The article presents the process of institutionalization of ethical codes in the auditing profession. Auditors have always been seen as an important part of the social contract as they provided certifi cation services for the truthfulness and fairness of fi nancial information in the public domain. However, due to scandals at the eve of the twenty-first century, trust in the auditing profession decreased. As a response to these scandals, codes of ethics are being developed; these codes are seen as an important means to restore public trust and credibility in the profession. Th e article presents the development of the auditing codes of ethics in the US, the UK, and an international organization of accountants. The Polish experience with the code of ethics is also discussed.