The purpose of this study is to examine and fine empirical evidence of the effect of corporate social responsibility (CSR), firm size, and investment decisions on the company’s financial performance. The population that is used in research this is the company sector maning the listing on the stock exchange in 2017-2019. Mechanical taking samples are used namely the technique purposive sampling. Samples were obtained as many as 75 of data companies who have meet the criteria. Analysis of the data used is analysis of regression doubled. The results of the analysis show that investment decisions have on effect on the company’s financial performance. While corporate social responsibility and the size of the company’s impact on the performance of financial companies.