Queizuar is a Galician dairy company founded in 1997, known for producing traditional cheeses under Protected Designation of Origin labels such as Arzúa-Ulloa and Tetilla. With a daily capacity of 65,000 liters of milk, Queizuar combines artisanal quality with innovation, leading numerous R&D projects and implementing sustainable practices like whey valorization and biogas production to support a circular economy.