The dissertation thesis is elaborated to the theme “The Modelling of The Development of The Middle-Size Building Enterprise Value in The Real Competition of The Czech Republic“. In the introduction of the dissertation thesis, a relation of the chosen theme to the branch of Forensic Engineering is defined and a survey about a contemporary state of the solved problems is elaborated. Further on, the objectives of the dissertation thesis are stated there namely including a formulation of a problem. The dissertation thesis contains the basic data about the examined middle-size building enterprise of a regional significance and its competitive building enterprises. At all enterprises, a property evaluation by an assessment of a substantial value and a returns’ evaluation by a method DCF Entity are carried out. The component of the dissertation thesis is a proposal of a simple expert standard containing methodical recommendations at an assessment of a value of a building enterprise of a regional significance. This is the essential contribution of the dissertation thesis for the branch Forensic Engineering whose starting ascertainments are practical pieces of knowledge and experience with the behaviours of the middle-size building enterprises in a period of a financial crisis.