The research work “Store Management System” includes sales, stock keeping, warehouse management, staff update, vendors update and management, clients management and point of sales (POS). This work was done as a result to solve the problems usually encountered in most companies. The Store Management System was achieved using two programming environment: PHP and MYSQL, with php as front-end and Mysql as the backend database. The system can be accessed using a username and password. It is accessible either by an administrator or staffs. The interface is very user-friendly. protected for personal use and the data processing is very fast.