This dissertation explores the benefits of using social media marketing to increase brand awareness, with a focus on Debenhams. It discusses the impact of social media marketing on brand reputation and sales performance, as well as the advantages of increasing brand awareness. The research methodology includes both primary and secondary data collection methods. The findings suggest that social media marketing has helped Debenhams improve their brand reputation and increase their customer base. The dissertation concludes with recommendations for using social media marketing to increase brand awareness.