According to IBGE data, more than one third of Brazilians lives beyond basic consumption needs. The consequences of these social differences have become unacceptable for everyone, mainly due to the recent increase of urban criminality. The actual Government has emphasize a lot the involvement of companies in a way to find possible solutions to reduce this poverty and social differences, besides going toward a more responsible and transparent market actuation.. This way, social responsibility attribute seems to become even more important and valued by Brazilian society and consumers. This study supports the idea that there is a market segment that considers a company`s level of social responsibility in its purchase decisions. The empirical results shows sufficient evidence that some consumers would pay a bit more for the same product and even give up of some aspect of the product in order to contribute to a social cause. So companies have the opportunity of focusing on this segment, reaching their objectives, while contributing to the society.