This report provides a comprehensive analysis of Marks and Spencer's (M&S) strategic management, examining various aspects of the company's operations. It begins with background information on M&S, highlighting its vision, mission, and key business areas. The report then delves into the methods of development employed by M&S, specifically focusing on the Ansoff Matrix to understand market penetration, market development, product development, and diversification strategies. It also explores the leadership styles adopted by M&S, including laissez-faire, participative, transactional, autocratic, authoritative, and democratic approaches. Furthermore, the report analyzes change management within M&S, discussing organizational contextual features like time, scope, readiness, and power, along with design choices such as change paths and styles. Finally, the report assesses M&S's sustainability strategy, outlining its Plan A initiatives and commitment to eco-friendly practices. The conclusion synthesizes these findings, offering a holistic view of M&S's strategic management practices and recommendations.