This report provides a comprehensive strategic analysis of Marks and Spencer (M&S), a major player in the retail industry. It begins with an external and internal analysis using PESTLE and SWOT frameworks, identifying key political, economic, social, technological, legal, and environmental factors impacting the business, as well as its strengths, weaknesses, opportunities, and threats. The report then evaluates the competitive environment using Porter's Five Forces, assessing the threat of new entrants, bargaining power of suppliers and buyers, threat of substitute products, and competitive rivalry. Furthermore, it analyzes M&S's resources and capabilities using the VRIO framework, determining their value, rarity, imitability, and organization. The study also explores different types of strategic decisions available to the organization, evaluates the most appropriate strategy for M&S, and analyzes how a differentiation strategy can be monitored for the company's future growth. The ultimate aim is to provide insights and recommendations for M&S to achieve its strategic objectives and maintain a competitive advantage in the market.