IT companies, due to the huge competition for every specialist on the market try to protect themselves in various ways already at the stage of negotiating the conditions and signing the contract. One of these ways are complex regulations on establishing a non-competition agreement. In my article I will describe, among other things, what a non-competition agreement is, what is considered as a competitive activity, how the non-competition agreement looks like in specific contracts, and how the issue of remuneration for inclusion in the non-competition agreement is regulated.