This study examines agency theory where differences in objectives to maximize the value of the company between the owner (principal) and the management (agent) arise because of the separation of functions and authority. This study aims to analyze the factors that affect value of the company. Method of analysis used in this study is multiple regressions. This study uses samples of 276 manufacturing companies that listed on the Indonesia Stock Exchange during the periode 2008-2010. This study indicates that blockholder ownership, foreign ownership, cash holdings, and leverage have a positive significant effect on the value of the company while company size is positively affect the value but not significantly. The result of this study indicates with the increase of blockholder ownership, foreign ownership, cash holdings, and leverage will increase the value of the company.