Abstract:
The objective of this paper is to investigate the impact of Quality Management System (QMS) practices on Perceived
Business Performance of ISO 9001 Quality Management System certified manufacturing firms of Sri Lanka. The study
conducted a comprehensive literature review and identified several sub-variables that can be used to measure quality
management system practices. A well-designed questionnaire was used to collect data from a sample selected using a
simple random sampling technique from a known population and SPSS software is used for survey data analysis. The
major finding indicates that quality management system practices have a positive effect on perceived business
performance and it can be measured using top management commitment, process management, and supplier quality
management. Furthermore, the results indicate that top management commitment is the most important factor that has
to consider when installing quality management system practices as that provides a significant contribution to enhance
business performance. Moreover, the results of the study are very much useful for manufacturing firms in Sri Lanka
which are interested