This report investigates the impact of workplace discrimination on employee efficiency, focusing on a case study of ASDA. The research explores the reasons behind workplace discrimination, identifying issues faced by the workforce, such as lack of acceptance, cultural differences, and physical/mental disabilities. The literature review covers the causes and consequences of discrimination, including its effects on mental health, productivity, and company profitability. The research methodology utilizes a positivist approach and a deductive approach, with primary data collection methods such as questionnaires. The report also examines alternative ways to mitigate discrimination, including training, company policies, and improved hiring processes. The conclusion and recommendations will summarize the findings and suggest strategies for fostering a more inclusive and efficient workplace.