This report provides a comprehensive overview of different types of companies, including micro, small, medium, and large businesses, defining their characteristics and providing examples. It then delves into various business structures, such as sole traders, cooperatives, and Limited Liability Partnerships (LLPs), outlining their definitions, characteristics, and examples. Furthermore, the report explores different organizational structures like hierarchical, flat, divisional, functional, matrix, and team-based structures, analyzing how they impact business productivity. The report also includes a PESTLE analysis of Tesco, examining the political, economic, social, technological, legal, and environmental factors affecting the company. The report concludes by summarizing the key findings and implications of the analysis.