The article examines the essence of undertaken quality-promoting activities, based on the international standards of quality management and food safety in a complex food chain. Moreover, it exposes the specificity of the aforementioned international standards. The studies, which were conducted by the author, show that in the former Middle Pomeranian province, among 141 agribusiness entities (regardless of the size of organization and specificity of activity), there is a differentiation in the use of voluntary, international standards aimed at guaranteeing food quality and safety in the complex food chain.