In the retail business, in the context of services, the importance and power of negotiations has grown exponentially worldwide. In Europe in particular, this phenomenon has been accompanied by numerous innovations in the field of automation and simplification of purchasing processes and control of operations. These advances related to the provision of services and to obtaining information in real time, expressively help professionals in their tasks of market delineation and evaluation of the factors that determine the purchase objective. The objective of this study is to present a literature review of demand forecast tools and their impacts on corporate competitiveness.