The purpose of this study was to investigate the success factors of sports marketing companies in Korea. Four sport marketing companies were selected as research targets. Also, several data were collected through the books, articles, related literatures, and internet. In addiction, three in-depth interviews were conducted for the qualitative study. The results of this study was as follows. First, some sports marketing companies had been successful in business with big fund. Second, they used choice and focus strategies. Third, they had strategic and careful plans, and their own know-how for the blue ocean markets. Finally, they had expanded its business market by developing various strategies through the media.