A trading company can be defined as a legal community created by a contract between two natural and/or legal persons or by a statement of one natural or legal person for the purpose of achieving the business goals set by those natural and/or legal persons as the founders of a specific trading company. The Law on Companies regulates the formation and organization of companies. There are two basic groups of companies: companies of persons and companies of capital. In personal companies, the member of the company are bound by their personality and work, while in capital companies, the members of the companies are bound by the capital they contribute to the share capital of these companies. Most often, a commercial company in the Republic Croatia is established in the organization form of a limited liability company, which is classified in the group of capital companies. The purpose of this final thesis is to deal with: the concept and structure of a limited liability company, ways of its established, legal relations between the established company and its founders, members, mutual legal relations between members of the limited liability company organs, bodies of the company, management and representation of the company, responsibility for its obligations and methods of termination of a limited liability company. In this regard, the aim of the paper is to point out the advantages and disadvantages of this organizational form of a trading company.