This study examines the role of internal marketing in improving service quality at service companies. The research method employed in this study is a qualitative approach using a literature review. This study highlights that internal marketing significantly increases employee satisfaction, engagement, and commitment, which ultimately has a positive impact on the quality of service provided. Effective internal marketing practices, such as good communication, training, and recognition, play a crucial role in boosting employee motivation and performance. The research findings confirm that internal marketing is a strategic investment in human resource management that can optimize organizational performance by improving service quality. By prioritizing internal marketing, companies can create a work environment conducive to innovation, collaboration, and employee well-being, thereby supporting the achievement of sustainable organizational performance.
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