Corporate social responsibility is a modern business practice that is more and more present all over the world today. The reason for its appearance are different economic, social and environmental factors but also the necessity of integrating them into the business of a company. With expressing the social responsibility and volunteering, the company seeks to raise standards of environmental protection, social development and human rights, but also to become more competitive in the market. There are many cases where use of this popular concept lead to better business results in the end, to be more precise, with becoming more competitive on the market you can make an influence on the business success and its achievement. These cases and statements led us to this study and its main hypothesis. The essential goal of this research was to determine the level of application of the concept of socially responsible business in the company "Adidas Hrvatska d.o.o.", and examine whether the application of CSR affects the business success of the company. Empirical studies have been carried out through a formulated questionnaire the sample of 28 employees. The results suggest that the main hypothesis (There is a positive connection between the level of application of the concept of corporate social responsibility and business success) can be accepted considering both of the auxiliary hypothesis were accepted.