“…Based on the systematic literature search, the following papers were selected for the further analysis of the methods which are currently used to assess the impact of coaching on the performance of a company: Birknerová, Z. and Benková, E. [48]; Albizu, E., Rekaldee, I., Landeta, J., Fernández-Ferrín, P. [49]; Wenu, A. and Tan, C. [50]; Pousa, C., Hardie, T., Zhang, X. [51]; Hagen, M.S.…”