The article considers the possibility of constructing a formal negotiating model of the principal-agent, used to predict the behavior of subjects in the case of intra-firm management. To build such a model, we consider a number of necessary conditions and principles for the relationship between the principal and the agent, such as the common goal and various interests, the project is the interaction subject, the agents are active and form the maximum coalition, interaction and cooperation of principal and agents are based on democratic management style and collegial decision-making under uncertainty.

Keywords: organizational system, principal agent, negotiations, behavior modeling, OS goal, coordination of actions, resource theory, firm theory, incentive problem, contract theory, project life cycle, decision making uncertainty, maximum coalition of agents