This report provides a comprehensive overview of various types of businesses, including micro, small, medium, and large enterprises, detailing their characteristics and examples. It also defines and differentiates between sole traders, partnerships, limited liability companies, public limited companies, and cooperatives. Furthermore, the report examines different organizational structures and their impact on business productivity, with a focus on hierarchical and functional structures. The core of the report applies the PESTEL analysis model to assess the external factors affecting the performance of Asda, a British supermarket chain, covering political, economic, social, technological, environmental, and legal factors. The analysis provides insights into how these external forces influence Asda's strategic planning and operations.