The article explains trends in changes on milk market, state of farmers groups’ organization and indicates prospects for their development and financial support under RDP 2014-2020. The results of conducted analysis indicate that groups of milk producers constitute 7.5% of all registered groups of agricultural producers. Most of the milk producers groups conduct their activity in Wielkopolskie province. It should be noted that in Poland nearly 73% of produced milk is purchased by milk cooperatives. The number of milk suppliers is systematically decreasing while the average quantity of wholesale deliveries per supplier is increasing. Progressive concentration of milk production is mainly observed in middle-east regions of Poland which concentrate 2/3 of national headage of milk cows and milk production because of tradition as well as natural and agricultural conditions.