Mobile technology enables enterprises to invent new business models by applying new forms of organization or offering new products and services. In order to assess these new business models, there is a need for a methodology that allows classifying mobile commerce business models according to their typical characteristics. For that purpose a business model typology is introduced. Doing so, building blocks in the form of generic business model types are identified, which can be combined to create concrete business models. The business model typology presented is conceptualized as generic as possible to be generally applicable, even to business models that are not known today.