The article provides information about transnational corporations, their formation and entry into countries, the benefits they bring to countries and, in a sense, the harms they cause. It should also be noted which countries transnational corporations enter most often, what are their goals for entering them, and what impact they have on the economy of the country where they are located. It also discusses the attitude of the country where transnational corporations are located, the economic policy of the country, as well as the impact of economic laws, the economic environment, and their role in the world economy.