This study aims to analyze the effect of capital structure and profitability on firm value in energy sector companies listed on the Indonesia Stock Exchange (IDX) during the period 2021–2023. Capital structure is measured by the Debt to Asset Ratio (DAR) and Debt to Equity Ratio (DER), while profitability is measured by Return on Assets (ROA) and Return on Equity (ROE). Firm value in this stu…