Conducted a Subcontractor Engagement Analysis (SEA) for Hansen Yuncken and investigated ways ofbuilding up relationships with subcontractors.Collected the subcontractor engagement data from Hansen Yuncken database and utilised various dataanalysis methodologies such as Mann-Whitney U Test, Pearson correlation coefficient, etc. to analyse the data.Engaged the Hansen Yuncken Estimating Team and estimators from other companies, either builder sideand subcontractor side, to gather thoughts and opinions on the analysis and ways to improve.Analysed the results from data analysis and provided potential approaches to increase subcontractorresponse rate and build up relationship with subcontractors.