The present work aims at evaluating the use of the corporate budget as a support tool in decision making and management control in a company in the tobacco industry. The analysis focused on the corporate budget s elaboration process and on its possible use as a support tool in decision making and management control. In order to achieve such purpose, structured interviews were held with professionals of different levels in the corporate hierarchy involved with in the budget s elaboration process. The conclusion revels that the company elaborated the corporate budget and in an adequate manner, in obeyance of the general principles of planning deal with in the theoretical framework. Additionally, it demonstrates that the corporate budget is used as a support tool in decision making and management control. However, there is still room for improvement with regards to the elaboration process of strategic planning.