This research report examines the multifaceted impacts of globalization on Marks and Spencer, a prominent British multinational retailer. The report begins with a research proposal outlining the aim to determine the importance of globalization on welfare and economic development, using Marks and Spencer as a case study. A comprehensive literature review explores the concept of globalization, major challenges faced by businesses in a globalized environment, and the benefits globalization offers to companies like Marks and Spencer, including increased sales, access to lower labor costs, and an expanded product range. The research methodology includes a Gantt chart and work breakdown structure to manage the project effectively. The report analyzes the relationship between globalization and economic development, highlighting the interconnectedness of these factors. The conclusion summarizes the key findings, while recommendations suggest areas for further research, followed by a personal reflection statement. The report provides a detailed overview of the challenges and opportunities that globalization presents to businesses operating on an international scale, with specific reference to the experiences of Marks and Spencer.