This final report analyzes weekly customer complaints recorded by Megan Mechanical Ltd over a 12-month period. The data was analyzed using MS Excel to identify trends and patterns in complaints directed towards the company's staff, products, and external service providers. The analysis reveals that staff complaints are the most frequent, particularly concerning one employee named Basel. The report recommends addressing these issues through improved staff training, revised policies for directing clients to external service providers, and a confidential customer suggestion box.