This case study explores the impact of ISO/IEC 20000 on IT service management at FoxIT, including benefits, advantages, and certification process. It discusses how ISO/IEC 20000 helps enhance efficiency, competitive advantage, and risk management for FoxIT, and how it provides guidelines for best practice necessities of ITIL. The study also highlights the impact of ISO/IEC 20000 on the overall business of FoxIT, including the development of IT service quality standards, increased efficiency and effectiveness of business operations, and fulfillment of business requirements. It further examines the service and process advantages gained by ISO/IEC 20000 certification, such as improved IT service quality, customer retention, revenue growth, and streamlined business processes. The case study concludes by highlighting the benefits and advantages gained by FoxIT through ISO/IEC 20000 certification, including innovative processes, improved communication, service level agreements, and customer-friendly management system.