Abstract
In spite of some similarities between KS(Korean Industrial Standards) certification audit criteria and ISO 9001 certification requirements, most of companies manage the two certification systems independently. In this study, we analyze two certification systems, find common points and propose a model or guideline of the integrated system management for small companies. This research compares KS criteria with ISO requirements in detail. A survey is carried out to check and review the situation of the manufacturers which obtain both KS and ISO 9001 certification. Survey results show that there is a small difference in certification management according to company's size, but some benefit points of the integration management regardless of company's size.