This report provides a comprehensive analysis of Tesco's business and its environment. It begins with an introduction to the concept of business and its environment, followed by an examination of different types of organizations, including Tesco, BBC, and Oxfam, along with their legal structures and purposes. The report then delves into the size and scope of these organizations, exploring their human resources, annual turnover, and market share. It further investigates the relationship between organizational structure and functions, highlighting the importance of finance, human resources, marketing, research and development, production, and supply chain management within Tesco. The second part of the report focuses on the impact of the macro environment on businesses, utilizing the PESTLE framework to analyze political, economic, social, technological, environmental, and legal factors affecting Tesco. Finally, it identifies and analyzes Tesco's strengths and weaknesses, exploring the interplay between these internal factors and the external environment, providing a holistic view of the company's position and challenges.