The authors present the issues and challenges related to the changes in status of a company and its impact on competitiveness. Status changes of companies, mostly mergers and acquisitions of companies, are one of the ways in which capital owners and management direct economic activities with the aim of maximizing profits. In order to make the right and justified decision, in terms of achieving the economic interests of the company, it is essential to know the laws and regulations in this area. This paper should provide answers on various questions which will be presented to decision makers in every company, considering status changes. Bearing in mind that the question of status changes often associated with an international element, the authors will pay special attention on the EU legislation and current legal framework in the Republic of Serbia.