Today, public relations are a very important part of organizations and companies because they lead important communication inside or outside of it. People who are part of public relations must possess certain knowledge and skills in order to successfully perform their tasks and contribute to the successful operation of the organization. Their basic role is to publish certain information about the organization in an appropriate manner. The communication of public relations and public opinion is based on the basic model of communication. Communication is the process of transmitting a message between two people, and it can be internal or external. Internal communication takes place within the organization, and external communication is communication with its environment. Socially responsible business has become an important part of business, it is a very broad term and the concept of business is represented. It may vary between countries and regions, but it includes environmental, social, ethical and health issues. The empirical part of the paper includes statistical data obtained through a survey questionnaire, which aims to examine public opinion on knowledge of public relations and their responsible business practices, it also aims to examine how important honest socially responsible communication is in business, and whether companies that have implemented all of the above have greater consumer confidence. The obtained results showed that the public opinion is familiar with PR and that it has an essential importance in business. The majority of public opinion does not believe in everything that is marketed to them via the Internet, and despite this, truthful and ethical communication is important to them.