At present, justification and detailed description of business processes of construction production is one of the fundamental steps in the direction of enterprise development. Special attention should be paid to the fact that the main thing in any business process is a person, who is the main actor in the institutional factor. In this regard, this paper aims to identify the key manifestations of human factor in construction business. Regression analysis method, cluster analysis and theoretical research methods were used in the study. As a result of the analysis of economic indicators, it is concluded that construction is characterized by significant flexibility and adaptability to internal and external factors, and the reason for this is a human being, which proves the importance of both formal and informal institutional factors in the construction of business processes.