Restaurant Brands International Inc. is a multinational fast food holding company that owns and operates some of the world's most prominent quick service restaurant brands, including Burger King, Tim Hortons, Popeyes, and Firehouse Subs. The company operates through a franchised business model, with the majority of its restaurants owned and operated by independent franchisees across more than 100 countries worldwide. RBI generates revenue primarily through franchise fees, royalties, and rental income from its extensive network of over 29,000 restaurants globally.