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 June 30, 2025, Türk Telekom has 17.4 million fixed access lines, 15.5 million fixed broadband, 28.5 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 Q2, boasting 28.5 million subscribers as of June 30, 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, with its strong R&D know-how, distinguishes itself in customers' digital transformation projects at every step from planning to implementation through the innovative services and solutions it provides in the fields of innovations, system integration, software and technology solutions. Exporting the products and solutions it has developed to many countries across 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 with the aim of accelerating infrastructure transformation and implementing next generation connectivity solutions. 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
Türk Telekom’s pioneering educational technologies subsidiary SEBİT, with 37 years of experience, offers a wide range of solutions from educational content and digital platforms to smart assessment systems, teacher training, AI-based initiatives, and adult education. Since its inception, SEBİT has led the digital transformation of 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 management 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 technological infrastructure. Offering a wide range of multi-channel solutions to its customers in different sectors including telecominication, media and communication, e-commerce, banking, insurance, healthcare, transportation and logistics, public sector and energy, the company has continued to maintain its leadership in the sector in both terms of employee number and revenue as of 2024.
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 49.5 thousand kilometres of fibre optic network covering mainly Central and Eastern European countries.
TT Ventures Proje Geliştirme A.Ş.
TT Ventures continues to support the growth of innovative ideas through a comprehensive investment strategy that backs the entrepreneurship ecosystem at various stages. It offers seed funding through its PILOT Programme for early-stage startups, while accelerating the growth of more advanced ventures through investment mechanisms. In addition, by investing in international funds, it gains access to global technology startups and unlocks new opportunities. TT Ventures supports not only its own portfolio startups but also Türk Telekom and its group companies in their business development and investment activities in global markets through its company established in the United States and strategic collaborations.
TT Payment Services
Türk Telekom offers innovative and reliable payment solutions 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
In the financial service sector, Türk Telekom’s BRSA-licensed subsidiary TT Finansman provides an easy and fast fintech experience in addition to offering financing support for technological needs. The on-bill financing model was rolled out across Türk Telekom’s dealer network for TT Mobil customers, successfully reaching a broad user base. TT Finansman offered product financing to TT Mobil customers across more than 600 Türk Telekom dealers, covering 155 different product options. This successful model is planned to be expanded to include TTNET customers.