In today’s competitive market, organizations are required to continuously improve their business processes and maintaining continuous improvement of ISO 9001 benefits. Besides continuous improvement, current literature claims that the common benefits of the ISO 9001 certification are “Customer satisfaction focus”, “Management & Review”, “Organizational performance” and the factors for TQM implementation (e.g Supplier quality management, Vision and plan statement). The purpose of this paper is to compare the level of perception vs. achievement of factors maintaining continuance improvement for 27 randomly selected Malaysian ISO 9001 certified SMEs as a primary study. Respondents of this study rated organizational performance is the most importance aspect of successful factor of ISO 9001, followed by organization’s highest level of achievement. This study also finds that the most important construct of TQM implementation is quality system improvement and the highest level of organization’s TQM implementation achievement is customer relationship. This study also shows that there is a significant difference between companies’ perception of the level of important and achievement in factors for successful of ISO 9001 and TQM implementations. For practitioners, this study addresses how continuous improvement has evolved and how to maintain benefits from ISO 9001 certifications. Keywords: Successful ISO 9001; Continuous improvement; ISO 9001 benefits; ISO 9001 barriers; TQM implementation, Customer SatisfactionIn today’s competitive market, organizations are required to continuously improve their business processes and maintaining continuous improvement of ISO 9001 benefits. Besides continuous improvement, current literature claims that the common benefits of the ISO 9001 certification are “Customer satisfaction focus”, “Management & Review”, “Organizational performance” and the factors for TQM implementation (e.g Supplier quality management, Vision and plan statement). The purpose of this paper is to compare the level of perception vs. achievement of factors maintaining continuance improvement for 27 randomly selected Malaysian ISO 9001 certified SMEs as a primary study. Respondents of this study rated organizational performance is the most importance aspect of successful factor of ISO 9001, followed by organization’s highest level of achievement. This study also finds that the most important construct of TQM implementation is quality system improvement and the highest level of organization’s TQM implementation achievement is customer relationship. This study also shows that there is a significant difference between companies’ perception of the level of important and achievement in factors for successful of ISO 9001 and TQM implementations. For practitioners, this study addresses how continuous improvement has evolved and how to maintain benefits from ISO 9001 certifications.