This essay discusses the potential statutory changes of a company that may occur during its legal life. Emergent forms that can occur through a statutory changes of a company are the result of complex social phenomena characterized by mobility, dynamism, changeability and organization on a national and international scale in today's business world as a whole. The rapid and almost unpredictable changes that characterize modern society are a serious challenge for modern companies and their operations. Their consequences affect individuals, social groups and the whole society at the national and global scale. The essay deals with statutory changes of companies regulated by Companies Act, that is, mergers, amalgamation, separation and transformation of a company. In this essay explanations of the manifestations of status changes and the specified characteristics, similarities and differences, as well as their causes and goals, are given. This essay gives an overview of most commonly used definitions of these phenomena and also the legal, social and economic consequences of statutory changes of a company.