The hospitality industry faces increasing pressure due to intense competition, changing customer expectations, and growing demands for sustainable practices. In this context, service quality plays a strategic role in improving customer satisfaction, loyalty, and long-term sustainable performance. However, previous studies often analyze service quality and sustainability separately, resulting in fragmented empirical evidence. This study aims to analyze the role of service quality in supporting the sustainability of the hospitality sector through a Systematic Literature Review (SLR) approach. The research method refers to the PRISMA guidelines with a process of identification, screening, and analysis of 27 scientific articles obtained through Google Scholar using the Publish or Perish application. The analysis was conducted descriptively and thematically using a manual framework and SERVQUAL. The results of the study show that the dimensions of tangibles, reliability, responsiveness, assurance, and empathy have a significant influence on customer satisfaction, loyalty, hotel image, and economic, social, and environmental sustainability. Superior service quality encourages more sustainable operational practices and increases the competitiveness of the hospitality industry. In conclusion, the integration of service quality and sustainability strategies is an important approach in creating competitive advantage and sustainability in the hospitality sector.
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