The Group’s ultimate parent company is TVF, while subsidiaries and associates of the Company as at 31 December 2025 and 31 December 2024 are as follows:
| | | | | | | | |
| | | | | | Effective Ownership Interest |
Subsidiaries | | Country of | | | | 31 December | | 31 December |
Name | | Incorporation | | Business | | 2025 (%) | | 2024 (%) |
Turktell | | Türkiye | | Information technology, value added GSM services and entertainment investments | | 100 | | 100 |
Turkcell Superonline | | Türkiye | | Telecommunications, television services and content services | | 100 | | 100 |
Turkcell Dijital | | Türkiye | | Digitalization services and products | | 100 | | 100 |
Turkcell Satış | | Türkiye | | Sales, delivery and digital sales services | | 100 | | 100 |
Turkcell Teknoloji | | Türkiye | | Research and development | | 100 | | 100 |
Turkcell Gayrimenkul | | Türkiye | | Property investments | | 100 | | 100 |
Turkcell Enerji | | Türkiye | | Electricity energy trade and wholesale and retail electricity sales | | 100 | | 100 |
Boyut Enerji | | Türkiye | | Electricity energy trade and wholesale and retail electricity sales | | 100 | | 100 |
Turkcell Finansman | | Türkiye | | Consumer financing services | | 100 | | 100 |
Turkcell Sigorta | | Türkiye | | Insurance agency activities | | 100 | | 100 |
Turkcell Dijital Sigorta | | Türkiye | | Dijital agency activities | | 100 | | 100 |
Turkcell Ödeme | | Türkiye | | Payment services and e-money license | | 100 | | 100 |
Lifecell Dijital Servisler | | Türkiye | | Development and providing of digital services and products | | 100 | | 100 |
Lifecell Bulut (***) | | Türkiye | | Cloud solutions services | | — | | 100 |
Lifecell TV | | Türkiye | | Online radio, television and on-demand streaming services | | 100 | | 100 |
Lifecell Müzik | | Türkiye | | Radio, television and on-demand streaming services | | 100 | | 100 |
Global Tower | | Türkiye | | Telecommunications infrastructure business | | 100 | | 100 |
Atmosware Teknoloji | | Türkiye | | Develop software products and services, training software developers | | 100 | | 100 |
Beltower | | Republic of Belarus | | Telecommunications infrastructure business | | 100 | | 100 |
Eastasian | | Netherlands | | Telecommunications investments | | 100 | | 100 |
Kıbrıs Telekom | | Turkish Republic of Northern Cyprus | | Telecommunications | | 100 | | 100 |
Lifecell Digital | | Turkish Republic of Northern Cyprus | | Telecommunications | | 100 | | 100 |
Turkcell Dijital Teknolojileri | | Turkish Republic of Northern Cyprus | | Electronic payment services | | 100 | | 100 |
Turkcell Global Bilgi | | Türkiye | | Customer relations and human resources management | | 100 | | 100 |
Rehberlik (*) | | Türkiye | | Directory assistance | | — | | 100 |
Lifecell Ventures | | Netherlands | | Telecommunications investments | | 100 | | 100 |
Paycell LLC (**) | | Ukraine | | Consumer financing services | | 100 | | 100 |
Paycell Europe | | Germany | | Payment services and e-money | | 100 | | 100 |
Yaani | | Netherlands | | Internet search engine and browser services | | 100 | | 100 |
BiP B.V. | | Netherlands | | Providing digital services and products | | 100 | | 100 |
BiP A.S. | | Türkiye | | Providing digital services and products | | 100 | | 100 |
BeST | | Republic of Belarus | | Telecommunications | | 100 | | 100 |
Turkcell GSYF | | Türkiye | | Venture capital investment fund | | 100 | | 100 |
Sofra | | Türkiye | | Meal coupons and cards | | 100 | | 100 |
Artel (****) | | Türkiye | | Data processing | | — | | 100 |
Ultia | | Türkiye | | Information technology | | 100 | | 100 |
TDC | | Türkiye | | Data center and cloud services | | 100 | | 100 |
Lifetech | | Republic of Belarus | | Information technology, programming and technical support | | 100 | | 100 |
Turkcell Dijital Eğitim | | Türkiye | | Digital education | | 100 | | 100 |