Since the nineties the business model category is systematically gaining importance. In many cases the market success o fan enterprise is attributable to an innovative and well designed business model. Most of the definitions of a business model include the following elements: (1) strategic choices, (2) value network, (3) value creation, and (4) value appropriation. From another perspective, business model can be described In terms of resources and competences, organizational structure and value proposal. Business model should not be considered as equivalent of strategy. Business models helps to analyze, test and justify strategic choices. As such, it is a term broader than strategy. All business models are embedded In a specific environmental context. And it is his context that justifies importance and utility of the models.