This comprehensive study delves into the strategic landscape of Marks and Spencer, a renowned British multinational retailer. It analyzes the impact of the macro environment on the organization, assesses its internal capabilities, and evaluates its competitive position using Porter's Five Forces model. The study further explores various strategic directions available to M&S, including generic strategies, growth strategies, and the implementation of a related diversification strategy. It concludes with a strategic plan outlining SMART objectives, strategies, tactics, and evaluation and control mechanisms for M&S to achieve sustainable growth and competitive advantage.