Sustainable development and corporate social responsibility in brewing industry are the subject of this research. Such activities are becoming imperative in the operations of a growing number of corporations and companies. Regardless of the company size and amount of annual income, most companies try to contribute the environment, the local community and society as a whole. Projects in this area make organizations more attractive to moral and quality workforce, consumers who exceed responsible behavior and philanthropy and to all other stakeholders and partners, with whom exist a potential chance of a business relationship. For this reason and with the aim of establishing a long-term lifespan and improving the competitive position in the market, companies should implement the principles of CSR at the core of the organization itself. The purpose of this study was to determine the positive effects of corporate social responsibility in companies engaged in the brewing industry and the frequency of its implementation in business activities. Also, the aim of this paper was to compare the key elements of CSR of selected companies, where there is a difference in the size of annual income, number of employees, the size of the plant, etc. Companies subjected to testing, HEINEKEN Hrvatska d.o.o. and Pivovara Medvedgrad d.o.o., are familiar with the concept of corporate social responsibility and carry out activities and projects for this purpose. The research revealed differences in the implementation of CSR, which will be indicated in the following chapters of the paper.