This report provides a comprehensive analysis of Marks & Spencer (M&S) and its business environment. It begins by examining the purposes and legal structures of private, public, and voluntary firms, using M&S as a case study for a private firm. The report then explores the size and scope of M&S in comparison to other business units like the Best Friends Animal Society. It assesses how different organizational functions contribute to achieving M&S's mission and goals, emphasizing the importance of coordination between departments like R&D, manufacturing, marketing, and HR. The report further evaluates the positive and negative impacts of macro factors on M&S's operations, utilizing PESTLE analysis to examine political, economic, social, technological, legal, and environmental factors. It highlights how supportive tax policies, economic growth, changing customer preferences, technological advancements, and environmental concerns influence M&S's strategies. Finally, the report conducts a SWOT analysis to determine M&S's strengths, weaknesses, opportunities, and threats, and links these internal factors with the external macro factors, providing a holistic view of M&S's business environment and strategic positioning.