As member of the Kolin Group of Companies, Köşebaşı Restaurant operates a chain of restaurants with branches in Turkey and other countries. The Koloğlu family controls a 70% stake in the company.

True to the traditional recipes of southern Anatolia, Köşebaşı was voted one of the “World's 50 Best Restaurants” by Conde Nast Traveler, holds the International Tourism, Hotel and Catering Industries Prize as “the best representative of the traditional Turkish cuisine”, and is popular with celebrities from around the world.