This rigorous thesis deals with the topic of the agency employment and analyses and summarizes the legal development of this institution. It mainly focuses on the practice in Czech. This thesis is devided into eight chapters, when the main heart of the matter is described in the foutrh chapter. This chapter describes current legislation of agency employment from the point of view of private and public law. The following chapters deal with the practical aspects of agency employment, from the point of view of the user in general but also form the point of view of a particular agency on the Czech labour market. There has been also provided consideration de lege ferenda on a broader protection of temporarily assigned workers from the point of v...