In this study, we empirically analyze the effect of the three factors; Relationship factor, IT factor, and Competence factor on the cooperation performance and want to provide implications. This study extracts the three factors: Relationship factor, IT factor, and Competence factor through conducting literature review, interview of workers from various industries, and etc. Consequently, we conclude three hypothesis that those three factors effect cooperation performance. To analyze this empirically, we gather information from workers of various industries in Korea. In addition to that, we examine reliability and validity of gathered information and verify those hypothesis through OLS regression. This study found that modified R square figure is 0.56, and we become to know that all of the three factors; Relationship factor, IT factor, and Competence factor effect meaningfully on the cooperation performance. This study provides operational implication through empirical analyzing the relationship between cooperation factor and performance extended toward consulting industry. Corporations should recognize the importance of cooperation in terms of processing consulting projects and devote themselves persistently to strengthening the three factors that effect on the cooperation performance.