The article explores how corporate governance can add value to companies. It delves into the history, institutions, and shaping factors of corporate governance, as well as typical dilemmas faced by boards. Case studies highlight the importance of effective governance in companies like Highfly Logistics Software, Swissair, and ABB. The international perspective shows similarities in governance systems. Internal board dynamics, conflict patterns, codes of conduct, and board evaluations are discussed. The article also examines corporate governance in specific contexts like mergers and acquisitions and subsidiary governance. Overall, the research emphasizes the crucial role of good governance in enhancing financial performance and decision-making within organizations.