Mexican blackberry production is very geographically concentrated in the Valley Los Reyes, where most of blackberries, which the country exports, are produced. Taking into account that Mexico is the world's largest exporter of this fruit in terms of quantity; we can conclude that a relatively small area produces most of the blackberries that are traded worldwide. The paper aims to analyze the blackberry value chain and its local socio-economic impact. The main conclusion is that the global value chain of blackberries brings benefits for the small farmers and investors too, but it is necessary establish contract terms ensuring that contractors do not abuse their market power. Also it was demonstated the positive local socio-economic impact of the activity.