These Turkish telecommunications companies include large, established operators and mid-sized firms specializing in various aspects of the sector. Turk Telekom, founded in 1840, is an integrated operator offering mobile, internet, phone, and TV services. Turkcell provides converged telecommunication and technology services, while Türksat Uydu Haberleşme focuses on satellite communications and cable broadcasting. NETAŞ develops IT infrastructure and telecom technologies such as 5G equipment and cybersecurity. Other companies like Turkcell Global Bilgi and AssisTT specialize in customer experience solutions. A significant number of these companies, including Turkcell, NETAŞ, Mikrolink, and Done, are headquartered in Istanbul, indicating a concentration of telecommunications activity in the city. Ankara also hosts several key players, including Turk Telekom and Türksat Uydu Haberleşme.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Turk Telekomturktelekom.com.tr
Leading integrated telecommunications operator in Turkey offering mobile, internet, phone, and TV services with a wide range of products and services |
21,095 | |||
| 2 |
Turkcellturkcell.com.tr
A converged telecommunication and technology services provider based in Turkey, offering voice, data, TV, and value-added services on mobile and fixed networks globally |
16,035 | |||
| 3 |
Turkcell Global Bilgiglobalbilgi.com.tr
A leading provider of customer experience solutions across various sectors with expertise in customer service, sales, technical support, and data management |
7,535 | |||
| 4 |
AssisTTassistt.com.tr
Established in November 2007 as a subsidiary of Türk Telekom, the company offers specialized solutions in communication center, digital services, technology, customer experience, and quality management With nearly 18,000 employees nationwide, it aims to provide unique experiences by leveraging its 15 years of experience and sector-specific technological solutions |
4,218 | |||
| 5 |
Türksat Uydu Haberleşme Kablo TV ve İşletme A.Ş.turksat.com.tr
A leading satellite operator offering services in satellite communications, cable broadcasting, and IT fields in Turkey and worldwide |
1,706 | |||
| 6 |
NETAŞnetas.com.tr
Develops end-to-end IT infrastructure and telecom technologies including cloud computing, 5G equipment, cybersecurity, and smart mobile devices for diverse sectors. |
1,008 | |||
| 7 |
Pusula CXpusulacx.com.tr
The company focuses on creating value through customer and employee satisfaction while investing in technology, human resources, and innovative business models |
896 | |||
| 8 |
AselsanNET Ltd.aselsannet.com.tr
providing sales, survey, installation, system setup, and service activities for electronic and communication needs of civilian institutions and users |
614 | |||
| 9 |
Mikrolinkmikrolink.com.tr
A global telecom system integrator and supplier offering end-to-end Data Centre solutions, IT Digital Technologies, telecom projects, and fiber optic connectivity components |
553 | |||
| 10 |
Donedonetr.com
A leading provider of mobile internet solutions and services, specializing in application development, content management, CRM, and mobile marketing since 1999 |
537 | |||
| 11 |
Teknofixteknofix.com.tr
A tech support provider offering end-to-end services for seamless digital experiences, focusing on user security and innovation, with a mobile device repair academy for technicians |
518 | |||
| 12 |
Defnedefne.com.tr
A global provider of telecom solutions, offering innovative call completion, messaging, roaming, and digital services to service providers worldwide |
437 | |||
| 13 |
CeyBerceyber.com
A call center established in 2016, offering a range of services, including inbound and outbound calls, back office support, CRM management, sales, and marketing |
404 | |||
| 14 |
i2i Systemsi2i-systems.com
An innovative international IT specialist in telecommunications, offering 5G solutions and converged revenue management for CSPs with scalable, cloud-native, and modular systems |
393 | |||
| 15 |
Majorel Türkiyemajorel.com
The company provides end-to-end customer experience solutions to global brands, leveraging expertise in cultural nuances and offering tech-augmented CX services |
377 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
ULAK HABERLEŞME A.Ş.ulakhaberlesme.com.tr
Specializing in R&D, engineering, manufacturing, and sales of mobile and broadband communication systems with a focus on 5G and LTE technologies |
366 | |||
| 17 |
Net Call Centernetcc.com.tr
Net Call Center provides high-quality and value-added services to corporate clients through a large experienced team and advanced technology infrastructure in Ankara |
314 | |||
| 18 |
Genpagenpa.com.tr
Leader in distributing technological products and services in Turkey, offering a wide range of mobile phones, tablets, and accessories from top brands |
305 | |||
| 19 |
SAMM Teknoloji İletişim A.Ş.samm.com
Specializes in telecommunications, electrical heating, heat tracing, electric contracting, instrumentation, IT, and IoT products Also operates as an R&D center |
202 | |||
| 20 |
Şengüllersenguller.com
A diversified group with a background in electronics, mobile communication, and construction Committed to honesty, customer satisfaction, and quality in their projects |
201 | |||
| 21 |
Başaran İleri Teknoloji Aselsannet Bayiibasaranteknoloji.com.tr
Başaran İleri Teknoloji provides wireless communication and global security solutions to civil and public institutions, aiming to integrate technology into daily life |
190 | |||
| 22 |
Iris Telecomiris-tele.com
Provider of high quality engineering services for cellular operators and suppliers, focusing on technology, customer needs, and certifications in ISO standards |
173 | |||
| 23 |
ERA RF Technologieserarf.com
Specializing in Communication, RADAR and SIGINT systems, ERA Instruments focuses on high-performance RF/MW hardware design, system engineering, and digital signal processing |
170 | |||
| 24 |
Radio and Television Supreme Councilrtuk.gov.tr
Regulatory authority established in 1994 in Turkey overseeing radio, television, and on-demand media services with autonomy and impartiality |
156 | |||
| 25 |
Millenicommilleni.com.tr
Leading alternative telecom operator in Turkey, offering internet and communication services with affordable prices, unlimited data options, and high customer satisfaction Expanding services for both individual and corporate customers |
156 | |||
| 26 |
Lavixolavixo.com
A company focused on creating a positive and enjoyable work environment for its young, dynamic, and ambitious team, aiming for growth in global economies |
146 | |||
| 27 |
OPPO Türkiyeoppo.com
Bringing extraordinary technology to users today, we connect with exceptional customers through OPPO's technologies that shape the future |
119 | |||
| 28 |
NETSER Groupnetser.com.tr
A turn-key solutions provider offering communication, security, and data network infrastructure services to corporate clients in Turkey and abroad |
110 | |||
| 29 |
Vekron Telekomünikasyon A.Ş.vekron.com.tr
Leading digital transformation with experienced team, creating tailored IT and Telco solutions to make a difference with passion for technology |
99 | |||
| 30 |
MABTEKmabtek.com.tr
Distributor of telecom repeaters and solar-powered micro BTS. Provides radio network engineering, optimization, design, planning, field testing, and project management services. |
5 | |||
| 31 |
Hyperion Technologieshyperiontechs.com
A spin-off from OKATEM, Hyperion Technologies develops portable and user-friendly test instruments for wireless and optical communication systems, eliminating high costs and steep learning curves |
3 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 13, 2026.
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