The thesis is about proposing guidance for choosing the right approach for modeling business processes. The right modeling approach in this paper is an approach with a high quality and that fits the field of business. This will take us to discuss the different meanings and aspects of quality in conceptual modeling. There are a lot of studies about evaluation of conceptual models, but clear guidelines are still missing. Since these guidelines are built on generic quality frameworks, it doesn’t depend on a specific scenario or a case. This paper describes the structure of the research, the research methodology and the project plan.