The diploma thesis deals with the bank valuation and this theme is viewed on in terms of standard as well as brand new approach. In its first part, the thesis focuses on understanding of the difference between the valuation of non-financial companies and banks in particular. The following section describes the above mentioned basic method which is represented by the dividend discount model and it also analyzes some partial problems associated with it. The core of this thesis represents the Sonntag model,that solves the evaluation by closing of counter-positions arising from the individual business cases -- namely taking of deposits and lending. Another part of this thesis is devoted to the issue of the discount rate, respectively the discou...