Koperasi Saeko in Central Java Province is a multi-purpose cooperative which is engaged in waserda, photocopy services, and savings and loans. In the operational activities of the Saeko Cooperative, they experience problems in the issuance of the remaining business results that are not according to the schedule set by the cooperative, so the issuance of the remaining business results often experiences delays. The pu,pose of this research is to simplify and accelerate the issuance of the remaining business results at the Saeko Cooperative by using a computerized system, which previously still used a manual system so that the issuance of the remaining business results was delayed, changed to a computerized system so that the issuance of the remaining business results was in accordance with the time. The system development method used is the prototyping method with the Unified Modeling Language (UML) modeling language. The system development uses the Microsoft Visual Basic.NET programming language and MySQL database. The result obtained is an iriformation system to speed up the issuance of the remaining business results to fit the predetermined schedule and later the cooperative will need to make a RAT