Corporate goverance is an area related to power, management, responsibility and delegation of authority, seeking to effectively affect the business and profitability of corporation in the context of socially responsible management. Corporate goverance is a complex decision-making process that has changed and developed throughout history, from the time of management capitalism to the development of modern corporation. Contemporary corporate management points to the distribution of rights between different stakeholders in companies by potentiating the sustainable development and maintenance of balance in which the goals of the company will be achieved on the one side, and the requirements of major stakeholders on the other side. Corporate goverance theories are an important instrument in understanding corporate goverance. Corporate governance depends on balanced relationships between corporate control mechanisms. Croatia is characterized by a closed corporate management system with a special role of the owner of considerable shares packages that take on an extremely active role in management and supervision. The paper analyzes Luka Ploče JSC in order to determine the practice of corporate governance in a domestic corporation.