This case study describes the method of process landscaping by example of a project in which the business processes of a company from the residential trade and industry were analyzed regarding their mobile potential. This analysis was conducted with the aim to organize these processes more efficiently in order to realize cost savings. Therefore a verification was required, whether the use of mobility supporting technology is suitable to obtain this goal and which professional requirements such a solution needs to fulfil. For that purpose, it is shown how the initial situation was analyzed, which alternative solutions on the basis of mobility supporting technology were developed and how these alternatives were economically evaluated. Furthermore, it is shown how first restrictions for the software and system design were made on the basis of one alternative. The method of Mobile Process Landscaping refers to the stage of requirements engineering in the software process.