ABSTRACT: This study aims to examine the effect of profitability, firm size and environmental performance on firm value. Firm value variable is proxied by Tobin’s Q. The independent variable in this study is proxied by ROA for profitability, Ln (total assets) for firm size and PROPER for environmental performance. This research was conducted on mining companies listed on the Indonesia Stock Exchange (IDX) in 2017-2020. The sample was selected using a purposive sampling technique. Data collection was carried out using the non-participant observation method. The analysis technique uses multiple linear regression analysis. The results showed that profitability had a positive and significant effect on firm value, while firm size had a negative effect on firm value and environmental performance had no effect on firm value.
Keywords – Firm Value, Profitability, Firm Size, Environmental Performance