The role of startups is being highlighted as a way to cope with rapid changes of business environment. The core of startups embraces technical innovation and agility, and their role in the related industries will be stressed further in line with the Fourth Industrial Revolution.
This study aims to review the relationship inter-partner communication competences and the impact of social exchange relationships in collaborative relationships between startups and public enterprises. And determine whether these external influencing factors relate to the internal characteristics of startups. So we would like to make suggestions to improve the management performance of startups.
To this end, this study covers an empirical analysis by conducting a questionnaire focused on startups which have experienced the cooperation with Korean public enterprises, and it is assured that 11 hypotheses proposed were entirely adopted. Their implications are as follows;
First, this study shows the importance of communication competences in partnership between public enterprises and startups.
Second, the results of the empirical study by setting variables on social exchange relationships show that both hypotheses were adopted and that the socialization process and relationship learning were important factors in forming partnerships between startups and partner public enterprises based on the social exchange theory. It also found that learning relationships through the socialization process is another factor in improving the management performance of startups.
Third, this study shows that communication competences between partners have a positive impact on relationship learning in social exchange relationships.
Fourth, knowledge sharing within startups shows a positive impact on members'' absorption capabilities.
Fifth, we looked at how more specific definitions of IT support and IT support affect internal members'' absorption capabilities, which were not covered by previous studies, in the absence of an academic premise on the role and value of IT in management activities.
Sixth, this study shows that learning relationships between startups and public enterprises have a positive impact on absorption capacity and creativity of members within startups.
Seventh, the relationship between creativity and absorption capabilities was tried to expand the understanding for corporate management and improvement by positively analyzing at the level between organizations, especially startups and public enterprises that have not been studied so far.
Finally, the effect of absorption capacity and creativity on the management performance of the enterprise was empirically identified in the relationship between organizations.
It is also significant in that it contributed to more specific verification of the relationship between absorption capacity and management performance and to providing the basis for subsequent research.

Key words: Communication competence, Socialization process, Relationship learning, Knowledge Sharing, IT support, Absorptive Capacity, Creativity, Management performance