The final paper "Role of public relations in the business system" deals with the processing and analysis of the role of public relations in the business system, in the modern business environment. One of the most important business functions in company are public relations. Companies establish and develop relationships with the targeted audience using public relations. Enterprises strengthen their own reputation and image by establishing and maintaining mutual communication and collaboration between business organizations and its public. Since proper operation of public relations is conceived by linking all parts of a business organization; all employees of the company, all employees of an institution, managers and others have to work hard to cultivate public relations. Raising public awareness of brand marks, product types and services; building prestige versus competition; raising the public's interest in the company; changing the negative attitudes of the public to positive are just some of the goals of public relations. It is also essentially for companies to address environmental protection, the business system's relationship with the community, and what it does to establish a fair public relation. This considerably improves the organization's overall image and thus contributes to long-term profitability and business efficiency. In order to create a good business initiative, it is necessary to adequately prepare and ensure the publication of certain information about the organization and to maintain high-quality relations with the media, the market and the authorities.