Bertolli olive oil is owned, manufactured, and distributed globally by Deoleo S.A., a prominent multinational food and beverage corporation headquartered in Spain that specializes in olive oil marketing and blending. Originally founded as a small grocery store enterprise in Lucca, Italy, the brand expanded over the decades into a globally recognized household name. Under Deoleo's corporate stewardship, the brand undergoes strict quality testing, master blending, and international distribution across dozens of countries, maintaining its heritage Italian identity while leveraging modern supply chain logistics.