The thesis is mainly driven by the modelling of business processes focusing on process optimization namely processes related to Investment Banking. The main goal of the thesis is driven by the EPC process modelling for optimization the key Investment process in a particular company APS HOLDING SE. The theoretical part contains processes descriptions optimizations and process modelling standards. The practical part is devoted to design and optimize of the process related to Debt Assets Investment Banking under the EPC modelling standards. Each part of the Investment process is described below the model. Reader can feel more comfortable by using the glossary of terms attached in appendix. Focus on higher efficiency of the Investment managemen...