Improving the quality of service is a necessity for public services. Specifically, the quality of IMB-making services, what factors contributed to the making of IMBs, and what efforts needed to be done to optimize the IMB-making services in the BPPT Murung Raya Regency. The focus of this study is the quality of IMB licensing services. The purpose of this study was to determine the quality of service for making IMB at BPPT Murung Raya Regency. This study uses qualitative research with a descriptive approach. Data collection techniques using interview techniques, observation and documentation, in the form of documents and archives relating to the quality of IMB services at BPPT Murung Raya Regency. The results showed that the BPPT Murung Raya regency in providing IMB licensing services had run well even though there were still some deficiencies encountered, such as infrastructure and human resources. The research concludes that the IMB service at the Murung Raya BPPT regency has been going well although there are still some things that are not optimal and need to be improved. Researchers suggest that the services provided by BPPT must be more professional, effective, efficient, and the deficiencies that need to be corrected to be optimal.