This paper deals with the impact of social networks on the work of young entrepreneurs, and the aim of the paper was to make a comparison, in fact, how young entrepreneurs are promoted and advertised in Bosnia and Herzegovina, and how young entrepreneurs in the world. The paper contains a theoretical part on public relations, advertising, publicity, then on personal public relations, self-promotion, image, branding. The theoretical part is followed by an analysis of five people of different professions in the world, which analyzes the work of young entrepreneurs, their publications through social networks, advertising and everything related to promotion in their business. An interview was conducted with five people of different professions in Bosnia and Herzegovina in order to better analyze their advertising and promotion in the business they do. Then, a comparison of young entrepreneurs from around the world and their way of working with young entrepreneurs in Bosnia and Herzegovina and their way of working was made. The hypothesis of the paper, which states that the influence of social networks and self-promotion plays an important role in business, and that it is much more represented in the world than in Bosnia and Herzegovina, was confirmed by the analysis.Since social networks are now available to everyone and free for advertising, young entrepreneurs first decide to advertise through them, and thus appear in public and expand their business.