This report provides an in-depth analysis of various types of companies, encompassing small, medium, and large-scale businesses, as well as micro-businesses. It explores different business structures, including sole proprietorships, partnerships, limited liability companies, public limited companies, and cooperatives. The report also examines how organizational structure impacts business productivity, focusing on the case of Tesco and its organizational structure. A PESTLE analysis is conducted to evaluate the external factors influencing the company's growth and development, including political, economic, social, technological, legal, and environmental factors. The report aims to provide a comprehensive understanding of different company types and the factors that shape their operations and success in the business environment.