Abstract: A user profiling system, comprising: elements for acquiring an image of a receipt, related to a purchase of one or more products from a distributor, by a mobile device, which is identified by a unique identification code; elements for sending the image and the unique identification code to a unit for managing the service, the unit comprising: elements for processing the image, which extract from the image textual information comprising information identifying the one or more products at the distributor; elements for processing the textual information, which associate, for each product of the one or more products, the identification information at the distributor with information identifying the product at a manufacturer; and profile processing elements and profile storage elements, which are configured to store the information identifying the one or more products at the distributor and at the manufacturer, associated with said unique identification code of the mobile device.