This dissertation investigates the influence of customer relationship marketing (CRM) on customer satisfaction within the UK food retail sector, using Tesco as a case study. It aims to understand the concept of relationship marketing, explore its impact on consumer satisfaction, and evaluate different CRM approaches in the UK food retail industry. The research employs a qualitative approach, utilizing questionnaires for data collection from Tesco executives. Findings suggest that effective CRM practices are crucial for sustaining performance in a competitive environment and significantly enhance customer satisfaction. The study concludes that food retailers should incorporate robust CRM strategies to foster long-term customer relationships and address contemporary business challenges. The dissertation includes a literature review covering relationship marketing concepts, its impact on customer satisfaction, and the role of different approaches in the UK food retail sector. The research methodology details the research type, approach, design, data collection, analysis, participant selection, ethical considerations, and reflexive analysis. The results and discussion sections interpret the collected data, highlighting the importance of CRM in improving customer experience and fostering brand loyalty.