The concept of business process is a tool in managing corporate value chain. Business process mapping becomes essential in increasing the organization growth. Previous studies already identified the value chain in the software industry, but only develop in the level macro-process and have not mapped the business processes in detail. Macroprocess needs to disaggregate into a more detailed process to implement in the organization. Therefore, this study aims to map the business processes run in a software development company. A qualitative case study conduct in an IT company engaged in software development. Data collected through interview with five representatives in the company. Findings in this study, there are 11 categories of processes; consist of six operating processes and five managerial and supporting processes. These business process map can be used as input to make the responsibility assignment matrix (RAM), activity relationship chart (ARC), and organizational structure for IT company.