Activity of any organizational structure of management is connected with transactional expenses. In article the method of the analysis of organizational effectiveness at the expense of optimization of transactional expenses is offered. Author's classification of transactional expenses of firm is for this purpose developed. For increase of organizational efficiency the analysis, identification elimination of unprofitable transaction is offered. It leads to correction of organizational structure of management.

Keywords: organizational structure of management, transactional expenses, efficiency analysis, method, classification