Diageo plc is a British multinational beverage alcohol company headquartered in London. Formed in 1997 through the merger of Guinness plc and Grand Metropolitan, the company produces and markets spirits, beer, and ready-to-drink beverages. Diageo operates distilleries, breweries, bottling, and packaging facilities across Europe, the Americas, Africa, and Asia Pacific, and distributes products in more than 180 countries. Its portfolio includes globally recognized brands such as Johnnie Walker, Guinness, Smirnoff, Baileys, Tanqueray, Don Julio, and Crown Royal.
Relevant to the chemicals and materials value chain, Diageo is a large user of glass, PET, aluminum, paperboard, inks, adhesives, and closures, with ongoing programs in lightweighting, recycled content, returnable systems, and packaging redesign. The company invests in process efficiency and utilities optimization across distillation, brewing, and packaging, and pursues initiatives in water stewardship, waste reduction, renewable energy, and supply chain emissions. Diageo collaborates with packaging and materials suppliers on circularity and advanced barrier solutions while maintaining compliance with regional safety and environmental regulations.