This report examines the impact of minimum wage changes on employee performance and financial conditions in the UK, focusing on a case study of Sainsbury. The introduction outlines the rationale, aims, and objectives, which include understanding the minimum wage system, its influence on staff performance, and relevant legislation. A literature review explores existing research on the subject, highlighting the relationship between minimum wage and productivity. The report details the research methodology, including the use of a quantitative approach with secondary data analysis and purposive sampling. The study employs SPSS for data analysis to determine the impact of wage rates on employee financial conditions and performance. Ethical considerations and limitations are also addressed. The conclusion emphasizes the importance of minimum wage for employees' financial well-being and its broader impact on the economy. The report highlights the effects of minimum wage on the working manner of the workers which in turn reduces the growth of entire economy and discusses relevant legislations.