Paper presents the objectives and prospects of European regulation of companies. Basis for the status quo is considered the Treaty on European Union signed in Maastricht in 1992. This significantly contributed to the integration of Member States for the treatment of the common foreign and security policy and cooperation in matters of justice and home affairs. The basic means and at the same time part of the main objectives of European integration is regarded as a common market. The publication also outlines the prospects for further development of the European rules on companies and suggests the influence of European law on the Czech legal regulation of companies.