Turkiye Garanti Bankasi AS engages in the provision of service to its corporate, commercial and retail customers, including deposit, loans, foreign trade transactions, investment products, cash management, leasing, factoring, insurance, credit cards and other banking products. It operates through the following segments: Retail Bank; Corporate and Commercial Banking; and Investment Banking. It also provides corporate banking products to international and national holdings in Turkey by coordinating regional offices, suppliers and intermediaries, utilizing cross-selling techniques. The company was founded by Halil Naci Mihcioglu, Adnan Taylan, Mahmut Nedim Irengun, Sefik Men, Nadir Naili Kecili, Muammer Eris, Muvaffak Ismen, Cevat Mahruki, Tarik H. Koyuturk, Mahmut Paksoy, Abdurrahman Ciftci, Kemal Sumer and Ahmet Canakcili on April 11, 1946, and is headquartered in Istanbul, Turkey.