The aim of the final work was to study and be acquainted with the factors that affect capital companies and what is their primary task. A capital company is one of the two basic types of a company. One or more natural and / or legal persons in such a way that they form capital by connecting or pooling roles establish a capital company. A capital company has its own defined share capital. In a capital company, unlike a company, a person has no personal responsibility of the members of the company / shareholders, but they are responsible for the obligations of the company to the extent of their basic roles. A limited liability company is a company in which “one or more legal or natural persons invest core shares with which they participate in pre-agreed share capital. A limited liability company may be established only simultaneously and because of a partnership agreement in the form of a notarial deed. The number of members in a limited liability company is not limited, and only one person can found it. Shareholders are not liable with all their assets for the incurred liabilities in the company, but only up to the amount of paid-in share capital. A joint stock company can have only one shareholder.