Appearance of modern technologies, primarily the Internet, contributed to changes in small businesses operations. More and more attention is being paid to the opportunities provided by marketing on the Internet. It is very difficult to imagine today’s communication without social networks, moreover, we can say that they have found their place in all areas of business and private life. They represent one of the rapidly expanding segments on the Internet. The first forms of social networks haves appeared in 1990’s. An active profile on social networks is necessary for a company to survive in today’s business environment. They represent strength that every small enterprise needs to harness while performing their marketing activities, because no other media can convey information as quickly as they do. Besides, they are also used to build better costumer relationships and to create a recognizable brand. Croatian Small Business Promotions Act defines the concept of small business and aligns it with the European standards. Small enterprises are extremely important for every country as they increase employment, stimulate exports and adjustment to the world market, stimulate development and application of modern technology, contribute to the increasing competitiveness... Therefore, it can be said that this sector stimulates and drives the entire national economy.