This report provides an in-depth analysis of the Corporate Social Responsibility (CSR) strategy implemented by Mark and Spencer (M&S). It begins with an executive summary and introduction to M&S, highlighting its history and focus on quality services. The report then explores relevant theories and frameworks, including the core characteristics of CSR, Carroll's Pyramid, stakeholder theory, and the three-domain model, illustrating how M&S applies these concepts. The study investigates M&S's CSR strategies across environmental, community, and workplace domains, detailing specific initiatives like recycling programs, community support, and employee training. Finally, the report offers recommendations for developing a sustainable CSR strategy for M&S and concludes with a summary of the findings and references.