The objective of the work. The study summarizes the structure of managerial communication of the period of the early feudal state of KievanRus’ as a special type of social communications; identifies typical features in the system of management communications of cultural traditions of peoples who were in direct interaction; the historically formed features of managerial communications are analyzed for the purpose of establishment of causal relations of qualitative functioning of the state of KievanRus’.The research methodology consists of the application of general scientific research methods (description, comparison, analogy, analysis, etc.), and also involves the use of a comparative-historical method, historically typological, historically chronological. The scientific novelty of the work is to study the combination of cultural traditions of agents of interaction in the political system of management communications of  KievanRus’, as an effective communication network that led to the long-term development of the medieval state in a polycentric and territorial branching. The main components of the managerial and communicative model of public administration are considered as a combination of different cultural traditions of Varangian warriors and autochthonous Slavs.The conditions of application and qualitative consequences of the use of the communication system for the centralization of the state and its effective development over a long period are outlined. It is focused on the historical component of political institutions included in the management model of communications of Kyivan Rus.Conclusions. The administrative and communicative network of KievanRus’ formed a symbiosis of two administrative cultures of the Slavic and Norman ruling traditions. The interpenetration of cultures and the stable evolutionary development of the communication network have contributed to the quality of the state's existence for a long time

management communications, cultural traditions, KievanRus’, Middle Ages, polycentric community, social communications, communicative network