Group Companies
Türk Telekom
Türk Telekom has been presenting the contemporary communication media to its customers with excitement since 1840.
Türk Telekom Group, the leading communication and convergence technology group in Türkiye, provides integrated telecommunication services from PSTN and GSM to broadband internet. As of March 31, 2025, Türk Telekom has 17.4 million fixed access lines, 15.4 million fixed broadband, 27.9 million mobile and 2.9 million TV subscribers. Group companies have a modern network infrastructure covering the whole country and offer a wide variety of services to residential and commercial customers all over Türkiye. Türk Telekom owns 100% of one of the three GSM operators in Türkiye - TT Mobil, broadband provider TTNET, convergence technologies company Argela, IT solutions provider Innova, online education company Sebit A.Ş., call center company AssisTT and wholesale data and capacity service provider company Türk Telekom International and its subsidiaries.
60% of Türk Telekom shares belong to Türkiye Wealth Fund, 25% belongs to Republic of Türkiye Ministry of Treasury and Finance. The remaining 15% is publicly traded. Türk Telekom shares are listed in Borsa Istanbul.
Note: Türkiye Wealth Fund has 1.68% share in free float.
Initial Public Offering of Türk Telekom
"Group D" bearer shares with a total nominal value of TL 525 million which belonged to the Turkish Treasury and which correspond to 15% of Türk Telekom's paid-in capital were publicly offered following the authorization of the sale by the Capital Markets Board. Once the public offering had been completed, the shares have been listed on the national market of Borsa İstanbul as of May 15, 2008.
The 2008 public offering of 15% shares of Türk Telekom was the seventh biggest public offering in the world and the biggest ever in Türkiye. As a result of this offering, the Turkish Treasury secured a total of USD 1.9 billion (TL 2.4 billion) in revenue. The floor and cap prices set for the public offering were TL 3.90 and TL 4.70 respectively. The final issue price was TL 4.60, which corresponded to a company valuation of USD 15.5 billion and a share valuation of USD 12.7 billion. During the bookbuilding period (April 28-29-30, 2008), potential investors in Türkiye submitted bids for 1.1 billion shares worth a total of TL 5.3 billion. All of the bids submitted by PTT employees, Türk Telekom employees, and small investors were satisfied with shares. In the case of institutional investors and individual major investors, the satisfaction rates were 95% and 6% respectively. A total of 95,000 bids were received from domestic resident investors during the public offering and final sales were made to 94,000 of them. The Türk Telekom public offering represents one of the biggest offerings ever undertaken in Türkiye in terms of the domestic allocation and sales.
TT Mobil
Providing innovative and high quality services to customers with an advanced infrastructure and significant technology investments, TT Mobil continued its strong growth drive in 2025 Q1, boasting 27.9 million subscribers as of March 31, 2025.
Note: Türk Telekom unified mobile, fixed voice, fixed broadband and TV brands under single "Türk Telekom" brand, while keeping Türk Telekomünikasyon A.Ş., TTNET A.Ş., and TT Mobil İletişim Hizmetleri A.Ş. legal entities intact.
TTNET
Established in 2006 to connect Türkiye to the internet and the world, TTNET has since evolved into a leading technology company delivering communications and entertainment services together, thanks to undergoing a digital transformation. Playing a major role in the sector today with consumer and corporate services, TTNET is the market leader in terms of subscriber numbers. TTNET fully integrates fixed voice, mobile voice, mobile data, TV and digital services. The company has launched numerous innovative products and services for consumers over the past eight years.
Note: Türk Telekom unified mobile, fixed voice, fixed broadband and TV brands under single "Türk Telekom" brand, while keeping Türk Telekomünikasyon A.Ş., TTNET A.Ş., and TT Mobil İletişim Hizmetleri A.Ş. legal entities intact.
İnnova
İnnova, one of Türkiye's leading information technologies companies, distinguishes itself in customers' digital transformation projects at every step from planning to implementation, with innovative products and solutions developed on the back of its strong R&D know-how. Exporting the products and solutions it has developed to 37 countries on four continents, İnnova contributes to the country's advancement of technology production and the global recognition of the technology produced by competent technical experts.
Argela
Thanks to their extensive experience in the telecom field and dynamic R&D processes, Argela and its Silicon Valley subsidiary Netsia, develop innovative technologies and intellectual property rights for the future of communication, as well as solutions specific to current needs. Argela provides solutions for telecom operators in the global market and for telecom companies as well as public and defence industry organisations in Türkiye.
Sebit
SEBİT, one of Türkiye’s leading education companies with 34 years of R&D experience, contributes to the global transformation in education by providing students, teachers and administrators multidimensional learning environments that offer the competencies of the 21st century. With the educational solutions it has developed since its establishment as an R&D laboratory under the roof of TÜBİTAK in 1988, SEBİT has taken a pioneering role both domestically and internationally.
AssisTT
Since its establishment in 2007, AssisTT has been providing communication centre solutions, digital services and technology solutions, customer experience and quality solutions for its customers and offers sector specific services in the categories of outsourcing management with its competent human resources, experience and strong infrastructure. Offering a wide range of multi-channel solutions to its customers in different sectors from media to finance and from logistics to e-commerce, the company put forward an effort to increase its effectiveness in international markets by taking service export among its focus areas in 2022.
Türk Telekom International
Türk Telekom International, the global member of Türk Telekom Group, offers uninterrupted telecommunication services to its customers in a wide geography by making use of the leading-edge technologies. Türk Telekom International provides services primarily to Türk Telekom, Türkiye and neighbouring countries with its 48 thousand kilometres of fibre optic network covering mainly Central and Eastern European countries.
TT Ventures Proje Geliştirme A.Ş.
Aiming to contribute to the national economy by supporting start-ups with innovative products and to create synergies with Türk Telekom's existing main business lines and products, TT Ventures has invested in 14 different start-ups since its establishment. TT Ventures contributes to the business development processes of both the start-ups in its portfolio and Türk Telekom and Group companies in the global arena, with the company it established in the USA and the strategic collaborations it has made.
TT Payment Services
Türk Telekom offers innovative services in the field of financial technologies via TT Ödeme and generates the highest revenue and transaction volume in its digital ecosystem. TT Ödeme received its payment license in January 2017 and continues to enhance its services and products including the Türk Telekom Mobile Payment. Pokus was launched in June 2022 to provide the best fintech products and services with innovative solutions as an operator-independent payment solution and e-wallet application accessible to all users in Türkiye.
TT Finansman
Adopting a holistic service focus, Türk Telekom established TT Finansman A.Ş. in 2022 in order to diversify its services by providing financing support to its subscribers. TT Finansman A.Ş. obtained an operating license from the BRSA in the first days of 2023. In order to fulfil the needs of the sector, TT Finansman A.Ş. aims to offer device financing to its consumer subscribers through Türk Telekom Group’s broad dealer network in the first phase. In the next phase, the company plans to offer financial solutions to SME and commercial-corporate subscriber segments by expanding its business model and reach individual subscribers through digital channels and e-commerce integrations.