This study aims to analyze the performance of Information Technology services in Service Management at PT. XYZ using the COBIT 4.1 Framework. Information Technology has a crucial role in supporting the company's business operations and strategies, therefore it is important to ensure that the performance of IT services meets the established standards. The research method used is a qualitative approach with data collection through observation, interviews, and document analysis. This research will evaluate key aspects of IT services, such as risk management, internal control, and performance measurement, using the COBIT 4.1 framework. The results of this study show that PT XYZ's IT service performance has been successful in some areas, but there is still room for improvement. One of the key findings is that risk management needs to be improved to effectively identify and manage potential risks that could disrupt IT operations. In addition, internal controls should be strengthened to ensure the security and reliability of information systems. The recommendations provided in this study include the implementation of specific measures to improve IT service performance. First, the company should develop a clearer and more detailed risk management policy, including procedures to mitigate identified risks. Second, internal controls should be strengthened through stricter control mechanisms and regular monitoring of system security. In addition, steps are needed to improve IT performance measurement, including the use of measurable and more systematic measures to evaluate the effectiveness and efficiency of IT services. The findings and recommendations of this research are expected to provide a deeper understanding of IT. PT. XYZ's service performance and practical improvements are needed to improve the effectiveness, efficiency and security of IT management. The implications of this research can assist companies in making strategic decisions regarding the right IT infrastructure investment and development to improve competitiveness and achieve long-term business goals.