This research project examines the influence of globalization on the success of Marks & Spencer (M&S). The introduction provides background on globalization, defining it as a process of international integration and its impact on business. The literature review explores the conceptual framework of globalization, opportunities it creates for M&S, and the relationship between globalization and firm performance. The methodology section details the research philosophy (interpretivism), research type (applied), research method (qualitative), research design (exploratory), and research approach (inductive). Data collection methods, including primary and secondary data, are outlined. The report aims to determine the effectiveness of globalization, analyze opportunities, and understand its relationship with firm performance, offering insights into market dynamics and strategies for business success in a globalized world. The report is structured with chapters covering the introduction, literature review, research methodology, data analysis, research outcomes, and reflection.