Аннотация:The article considers the features of intra-firm managerial transactions through a prism of an influence of speech culture on them as in the part of its verbal as well as non-verbal aspects. It is shown that a skillful use of speech culture can be a factor of increasing the level of managerial competencies and, consequently, the efficiency of managerial transactions. Possibilities of extraction of a speech rent, problems of languagesign and other issues concerning the impact of the managerial transactions within firm on efficiency are discussed.