This study aims to determine the effect of tax avoidance, profitability and firm size on firm value with leverage as a moderating variable. The nature of this research is quantitative. The population in this study are manufacturing companies listed on the Indonesia Stock Exchange in 2016-2020 and there are 181 companies. The research sample was selected using purposive sampling technique and obtained 32 companies. This study uses secondary data in the form of financial statements and the company's annual financial statements downloaded from www.idx.co.id, stock prices obtained from www.finance.yahoo.com and the web of each company that is the sample in this study. Data analysis using multiple linear analysis and moderated regression analysis. Multiple linear analysis was used to test the hypothesis of tax avoidance, profitability and firm size on firm value, while moderated regression analysis was used to test tax avoidance, profitability and firm size on firm value with leverage as the moderating variable.

The results of this study indicate that tax avoidance has no effect on firm value. Profitability has a positive effect on firm value and firm size has a negative effect on firm value. leverage cannot moderate tax avoidance on firm value. leverage can strengthen the positive effect of profitability on firm value, leverage cannot moderate the effect of firm size on firm value.

Keywords: Tax Avoidance, Profitability, Firm Size, Firm Value, Leverage