The development of the world of technology makes transactions or business easier for all of us. LPK/LKP INDERA Magelang, the business process still uses conventional methods in the administrative process and promotional media. So that it is less than optimal in its service and duplication and data loss often occur. To overcome the problems that are happening, it is necessary to have an application that can facilitate the business management process. Information system development uses the waterfall model, namely needs analysis, design, code generation, testing and support. With the creation of this web-based application, itis hoped that it will make it easier for prospective course participants in the registration process, and it is also hoped that it will make it easier for course managers in managing existing business processe.