Managerial practices and governance are critical to a bank’s success, as damage to customer trust can severely harm its reputation. Under the supervision of the OJK, banks must adhere to sound principles to meet stakeholder needs and maintain customer trust. This study examines the impact of managerial practices and ESG factors on firm value, using panel data regression to assess the significance of each variable. The analysis includes data from 42 conventional banks listed on the Indonesia Stock Exchange between 2020 and 2024. The variables analyzed—loan growth, NPL, RPT, OEI, HCE, independent commissioners, and ESG—are assessed for their effects on firm value. The results indicate that only size and loan growth are not significantly related to firm value, while other factors exhibit significant impacts. These findings suggest that banks should prioritize effective managerial practices, risk management, and a strong focus on ESG to enhance firm value.