Türk Telekom, with 178 years of history, is the first integrated telecommunications operator in Turkey. In 2015, Türk Telekomünikasyon A.Ş. adopted a “customer-oriented” and integrated structure in order to respond to the rapidly changing communication and technology needs of customers in the most powerful and accurate way, while maintaining the legal entities of TT Mobil İletişim Hizmetleri A.Ş. and TTNET A.Ş. intact and adhering to the rules and regulations to which they are subject. Having a wide service network and product range in the fields of individual and corporate services, Türk Telekom unified its mobile, internet, phone and TV products and services under the single “Türk Telekom” brand as of January 2016.
“Turkey’s Multiplay Provider” Türk Telekom has 14.3 million fixed access lines, 10.6 million broadband, 3.5 million TV and 20.8 million mobile subscribers as of September 30, 2018. Türk Telekom Group Companies provide services in all 81 cities of Turkey with 33,226 employees with the vision of introducing new technologies to Turkey and accelerating Turkey’s transformation into an information society.
Türk Telekomünikasyon A.Ş., providing PSTN and wholesale broadband services, directly owns 100% of mobile operator TT Mobil İletişim Hizmetleri A.Ş., retail internet services, IPTV, satellite TV, Web TV, Mobile TV, Smart TV services provider TTNET A.Ş., convergence technologies company Argela Yazılım ve Bilişim Teknolojileri A.Ş., IT solution provider Innova Bilişim Çözümleri A.Ş., online education software company Sebit Eğitim ve Bilgi Teknolojileri A.Ş., call center company AssisTT Rehberlik ve Müşteri Hizmetleri A.Ş., project development and corporate venture capital company TT Ventures Proje Geliştirme A.Ş., Electric Supply and Sales Company TTES Elektrik Tedarik Satış A.Ş., wholesale data and capacity service provider Türk Telekom International, and indirectly owns 100% of subsidiaries of Türk Telekom International, TV Broadcasting and VOD services provider Net Ekran Companies, telecommunications devices sales company TT Satış ve Dağıtım Hizmetleri A.Ş. and payment services company TT Ödeme Hizmetleri A.Ş. and counselling services company 11818 Rehberlik ve Müşteri Hizmetleri A.Ş.
55% of Türk Telekom shares belongs to LYY (Levent Yapılandırma Yönetimi A.Ş.), 25% belongs to Republic of Turkey Ministry of Treasury and Finance and 5% belongs to Turkish Wealth Fund. The remaining 15% is publicly traded. Türk Telekom shares are listed in Borsa Istanbul.
Turk Telekom shares are traded at Borsa Istanbul (BİST) as of May 2008.
Turk Telekom also owns the 100 percent of convergence technologies company Argela, BT solution provider Innova, online training software company Sebit, call center company AssisTT, wholesale data and capacity service provided Turk Telekom International and its subsidiaries.
*Levent Yapılandırma Yönetimi A.Ş.
*According to Official Gazette was published on 5 February 2017, Council of Ministers decided to transfer 6,68% (5% B Group shares & 1.68% D Group shares) of the shares of the Company belonging to the Republic of Turkey Ministry of Treasury and Finance to the Turkish Wealth Fund.