GRAND HOUSE, Hakan Ayhan Seating Groups Furniture and Home Textile San. ve Tic. Ltd. Ltd. Şti. was established in Istanbul in 2002 as a subsidiary and is a well-established manufacturer company. Since the day it was founded, it has been maintaining a production approach that is sensitive to society and the environment by combining human labor. It carries out all stages of furniture production within its own body. Today, it serves with a factory with an area of 3500 m2 and a store with an area of 600 m2.