The avoidance of financial, legal, and reputational risks has gained importance in recent years for both companies and their advisors and auditors. By establishing and reviewing corporate governance systems, these various risks can be minimized. This practical guide provides a comprehensive overview of this topic. The monitoring and reporting obligations of the management board and supervisory board are the focus of an introductory contribution. Building on this, the systematization of corporate governance systems is explained. In addition to compiling insightful and practice-relevant articles from IDW publications WPg and IDW Life, the book offers visualizations of the relevant IDW statements, IDW PS 980 to 983. Furthermore, the book includes a download code that allows you to access two podcasts featuring E.