The aim of this research is to analyze the effect of dividend policy which is measured by using Dividend Payout Ratio, funding decision which is measured by using Debt to Equity Ratio, and investment decision which is measured by using Price Earnings Ratio, either partially or simultaneously affects to company value which is measured by using Price Book Value Ratio in mining companies listed on Indonesia Stock Exchange. Data is collected from 2013 to 2017. In this research, sample is determined by using purposive sampling method. The population of this research is all mining sector companies listed in Indonesia Stock Exchange (IDX) from 2013-2017. Of the 37 mining companies, there are 8 mining companies used as sample of this research. Based on the result of data analysis, it sums up that dividend policy has a significant impact on company value, therefore H1 is accepted. Funding decision does not have a significant impact on company value. Therefore, H2 is rejected. Investment decision has a significant impact on company value. Therefore, H3 is accepted. Based on the result of simultaneous significant test, it concluded that dividend policy, funding decision and investment decision simultaneously influence the company value. Therefore, H4 is accepted.