This research aims to explore the complex interactions that surround Supply Chain Risk Complexity (SCRC) and its effects on both financial and Environmental, Social, and Governance (ESG) performance in the chip industry. It seeks to demonstrate how SCRC, influenced by supply chain concentration, impacts firm performance metrics. Drawing on resource dependence theory and the resource-based view, this study constructs a panel of 364 Chinese listed semiconductor firms for 2013 - 2022 and creates a