This research project examines the impact of cultural diversity on organisational behaviour, focusing on H&M. It explores the concept of cultural diversity, its positive and negative impacts on organisational behaviour, and ways to manage cultural diversity at the workplace. The study aims to understand the benefits of diverse culture in promoting innovation, increasing employee involvement, and developing creativity. The research methodology includes data collection through a questionnaire and data analysis. The findings highlight the importance of managing cultural diversity for enhancing productivity in organisations.