This research project investigates the influence of globalisation on business success, focusing on Marks and Spencer as a case study. The introduction provides an overview of globalisation, the research aims, objectives, questions, and rationale. The literature review explores the concept of globalisation, factors contributing to business growth, benefits for Marks and Spencer, and major drawbacks. The methodology outlines the research approach, while the data analysis and interpretations section presents the findings. The research outcomes are discussed, followed by reflections, recommendations, and a conclusion. The report emphasizes how globalisation has positively impacted Marks and Spencer by increasing its customer base, expanding market opportunities, and enhancing profitability. It also considers the external factors, business structure and management traits that contribute to business success in a globalized context. The research highlights the importance of understanding globalisation for business growth and expansion.