The goal of this thesis is to get acquainted with the issue of employee motivation from a theoretical perspective, and then analyze the incentive system in a selected company - Sellier & Bellot. In conclusion, I would like to evaluate the lessons learned and propose some changes and recommendations for improving motivation in the analyzed company. The work is divided into four parts. The first three are rather theoretical. The first part deals with the explanation of the concept of motivation and characterizes its types and sources. The second part focuses on the motivation of negotiation at work, where the author presents the most important motivational theories dealing with the factors that encourage motivation and, on the contrary, the o...