The presence of a local software house company is a solution choice for companies on a small, medium and large scale. The software house company has been able to provide solutions to fulfill information systems and produce good quality software products. However, local software house companies face operational problems with the company's internal information technology in completing projects obtained from their customers. To solve the company's internal information technology problems, the company applies the enterprise architecture method to streamline the company's operations. So far, information technology operations in software house companies have experienced ineffective operations with various application systems that have been implemented. Changes in information technology operations by rearranging using the Enterprise Architecture method, and applying it to the company's software house. This study aims to develop Enterprise Architecture in a software house company, where all are designed using Information Technology Planning based on the TOGAF-based Enterprise Architecture Framework. With the application of Enterprise Architecture, information technology operations can be changed to be more organized and more efficient in supporting company operations.