This paper deals with the geographical analysis and visualization of network marketing. The aim of the study was to develop interactive visual methods, which help to answer questions related to the analysis of network marketing structures. Those questions were the basis for the research and development performed. The challenges tackled in the paper result from data analysis, which includes a combination of structural data and their geographical position. An approach utilizing interactive drill down was developed. The resulting prototype summarizes the findings and allows the validation of the results. Categories and Subject Descriptors: H.5.3 [Information Interfaces And Presentation]: Group and Organization Interfaces, I.3.8 [Computer Graphics]: Applications, H.5.1 [Information Interfaces And Presentation]: Multimedia Information Systems, General Terms Human Factors, Economics, Experimentation, Keywords Information Visualization; complex business structures, geographical analysis.