Maristo Hospitality, a part of Ring International Holding, was founded in the UAE in 2021. The company established its presence in three verticals: QSR, dark kitchen, and casual dining. The company's portfolio of concepts includes Popeyes Louisiana Kitchen, the legendary American restaurant, Ralph's Kitchen, a dark kitchen incubator, Sisi's Eatery, a premium casual dining concept inspired by the Empress of Austria, and German Doner Kebab, the game-changing gourmet kebabs.