I chose the topic for the final paper, "Fundamental characteristics of a limited liability company" in order to familiarize the reader and myself with the process of establishing a limited liability company. What are the steps that need to be taken in order for d.o.o. was legally acceptable, orderly and functional and fulfilled its goal, which is to make a profit. A limited liability company is a company that requires at least one or more natural or legal persons who invest fundamental roles with whom they participate in a pre-agreed share capital in order to establish and operate. The first important rule regarding the registration of a company is that it should be checked by the Commercial Court whether the desired or planned company name is entered in the commercial register. In order to open a d.o.o., registration is required with the Commercial Court, tax administration, Croatian Bureau of Statistics, Croatian Institute for Health Insurance and Croatian Pension Insurance Institute and, if necessary, with the Customs Administration only if the commercial d.o.o. wants to import and export goods. For the establishment of a company that can be founded by one or more persons, a notarial document or a social contract is important, which is the basic acts.