Turkcell Iletisim Hizmetleri A.S. provides digital services in Turkey, Ukraine, Belarus, Northern Cyprus, Germany, and the Netherlands. It operates through Turkcell Turkey, Turkcell International, and Techfin segments. It offers mobile communications, fixed business internet and business phones, cyber security, data center, internet of things, big data, e-transformation, managed services, and cloud solutions. Turkcell Iletisim Hizmetleri A.S. was incorporated in 1993 and is headquartered in Istanbul, Turkey.