Galatasaray Sportif Sinai ve Ticari Yatirimlar A.S. engages in the commercial, industrial, and investment activities for various sports. The company also invests in and develops real estate properties. In addition, it engages in the sale and merchandising of products with the GS logo; and communication activities, including operation of a TV channel, magazine, and an official site. The company was founded in 1997 and is based in Istanbul, Turkey. Galatasaray Sportif Sinai ve Ticari Yatirimlar A.S. is a subsidiary of Galatasaray Spor Kulubu Derbegi.