Presently, the term outsourcing is widely known. Nonetheless, for pretty a long time this was discussed and used mostly by huge corporations, usually international ones. After that, also smaller companies became to see the enormous potential as well as all opportunities that outsourcing might offer for their firm too. However, this seems that still many them might not be truly aware that their enterprise has already reached this stage of growing, that outsourcing should be discussed. So, it may be useful to understand when such moment appears and then, to be ready to decide if IT outsourcing could be useful for the company.