Article raises issue of the impact of services Cloud computing on the economic efficiency of enterprises. Draws primarily attention to the benefits they relate, especially the flexibility to use cloud computing resources without having to make additional investments in their IT infrastructure. The article also raises the question of the risks associated with the use in the service of question. It concerns mainly the loss of data, which may be disadvantageous for the company also economic consequences. Overall, however, it is estimated that the benefits of using Cloud services computing outweigh the risks.