This report by Desklib discusses various types of companies, including micro-enterprises, small businesses, medium organizations, and large companies, as well as sole proprietorship, partnership, limited liability business, public limited liability business, and cooperative business. It also explains the divisional and functional structures and the impact of political, economic, social, technological, legal, and environmental factors on businesses through PESTLE analysis. The report provides examples of each type of company and structure and highlights their characteristics and roles.