The XYZ Company has been operating since 1996, and they already have many systems in place except for a system that properly manage the repair service aspect of the company. The process of their repair aspect is to manually input the information of repair service which included customer information and inventory stock information into a physical document. However, the downside of using this method resulted to service delays, data loss, inaccurate inventory tracking, and poor customer service. Thus, the objective of this study is to analyze the problems of the company’s repair service and inventory processes and then develop a system using the agile methodology. The agile methodology is a software engineering method used to promote collaboration between developers and the client, and adaptability of the developers to change requirements during the development phase. The proposed system is designed to allow users to create repair service reports and track down the inventory stocks of parts to make the repair process more efficient and seamless so that the customers who purchase their motor vehicles are willing to avail for the repair services of the company. Also, the system will be able to create customer profiles, mechanic profiles, and supplier profiles so that all of the customer information, mechanic information, and supplier information are organized and easy to access for the users.