Representation is an institute of law in general and of private law in particular, according to which the parties can transfer their rights to another party which can act in its name and on its behalf. Based on the fact that it is a very current institute, we have tried to present in the paper some of the essential data related to representation. Therefore, in general, the content of the paper talks about representation and its types, emphasizing that they are legal representation and contractual representation or the one by proxy, for which we emphasize that representation by proxy and contractual representation are one. Issue which is presented in brief points further in the content of the paper.