Small and Medium-sized Laundry Service Enterprises face stiff competition and rapidly changing market dynamics in the contemporary business era. This study aims to understand the key factors influencing the success of Small and Medium-sized Laundry Service Enterprises through a SWOT analysis, focusing on strengths, weaknesses, opportunities, and threats. Using the Rank Order Centroid (ROC) method for criteria evaluation, this research found that "Employee Friendliness" is the primary strength. At the same time, "Lack of Human Resources" is a significant weakness. On the other hand, "Good Customer Relations" was identified as the most significant opportunity, and "Emergence of Competitors" was the primary threat. These findings highlight the importance of human interaction in service businesses and the need to enhance HR capabilities. This study provides valuable insights for Small and Medium-sized Laundry Service Enterprises on leveraging strengths, addressing weaknesses, capitalizing on opportunities, and confronting threats for sustainable business success