Performance Evaluation of Subcontractors Using Weighted Sum Method through KPI Measurement

Key Performance Indicators (KPIs) help measure objectives critical to business sustainability. This research takes place in a toy factory’s injection moulding department that has yet develop indicators for subcontractor performance. Poor performance significantly impacts the production. In last three months, delivered quantity exceeded target by 27%, delivery time consistency is only 78%, there were 1.31% rejects, and inventory accuracy material efficiency 81% 93% respectively. The objective of study determine KPI an evaluation procedure supplier select best supplier. Multi-criteria decision-making, i.e., weighted sum method, was used. Five employees involved determining criteria weights. based on each supplier’s A written company's procedures developed. There six subcontractors which H received highest score (78.42) G lowest (69.42). needs be improved future. interest company’s sustainability, it recommended this institutionalised support Successful