EN
The increase in the popularity of the paradigm relating to relationships marketing entails growing interest in the relationships within management processes. The article presents an empirical verification of the role of relationships between suppliers and consumers as an important component of contemporary business models of domestic manufacturers of retailers' private labels. It also emphasises that although in building interorganizational relationships economic and financial elements dominate, more and more often social and environmental aspects count and are taken into consideration, too. The author draws our attention to the fact that in the light of high dynamics of change in the environment there is an increase in the need for adaptive changes, which, as a result, makes the current business models change.