This report provides a comprehensive analysis of the business environment of Marks and Spencer (M&S), a major retail sector organization in the UK. The report begins with an introduction to business environmental factors and their impact on organizational performance, discussing both micro and macro factors. It then delves into the organizational structure, differentiating between private, public, and voluntary organizations, and examines M&S's size, scope, and legal structure. The report explores the relationship between various functional departments within M&S, including finance, marketing, production, and human resources, highlighting their roles in achieving organizational objectives. Furthermore, it analyzes the positive and negative impacts of the macro environment on M&S, utilizing tools such as SWOT and PESTLE analysis to evaluate the company's strengths, weaknesses, opportunities, and threats, as well as the political, economic, social, technological, legal, and environmental factors affecting its operations. The report concludes by emphasizing the significance of identifying these factors for strategic decision-making, providing a detailed understanding of M&S's business environment.