The competitiveness of the service sector is a crucial factor in economic development and global market positioning. This paper explores international best practices in enhancing service sector competitiveness, focusing on digital transformation, customer-centric strategies, public-private partnerships, quality standards, sustainability, and regulatory frameworks. Case studies from countries such as the United States, Japan, Germany, Singapore, and Scandinavian nations illustrate how innovative policies and business models contribute to efficiency, customer satisfaction, and economic growth. The findings highlight the importance of technological advancements, workforce development, and sustainability in building a resilient and competitive service industry. Key words. Service sector, competitiveness, digital transformation, customer experience, public-private partnerships, quality standards, sustainability, innovation, economic growth, regulatory policies.