In this study, the main objective of the study was to design a ticket sales accounting information system at PT. Taman Rekreasi Sengkaling UMM. With this system, companies can more easily plan and control the company's ticket sales activities so they can obtain higher-quality accounting information. The system design method uses the Rapid Application Development (RAD) model. There are four stages of research. The first is the problem analysis stage. At this stage, interview data and questionnaires were collected to obtain information related to company problems. Then the second stage is the stage of presenting data using the matrix and Business Process Management Notation (BPMN) model. The third stage is the design stage of an Android-based ticket sales accounting information system that is made based on company needs. And the last is the conclusion formulation stage with evaluation using the Business Process Improvement (BPI) framework. Based on the research results, it can be seen that the application of a ticket sales accounting information system that has been designed has benefits for simplifying processes, saving cycle time, preventing errors, increasing standardization, and large-scale improvements with company process automation. These results are expected to contribute to the scientific development of accounting information systems and their application in the industrial world.