Company lists · Data refreshed September 2026
Top 25 Telecommunication companies based in Türkiye
RevenueBase identified 159 telecommunication companies headquartered in Türkiye as of September 2026 and tracks 15,950 professional contacts across them, including 3,702 with verified work emails. Istanbul is the largest hub.
This list covers telecommunication companies headquartered in Türkiye, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 15, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest telecommunication companies based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,790 contacts → | ||||
Strong evidence “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 970 contacts → | ||||
Indirect evidence “We believe the internet is the great equalizer and enabler.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 353 contacts → | ||||
Strong evidence “Gentel Telecommunication was founded in 2006, for developing work areas and work opinions in telecommunication industry with its strong background and experience over 30 years.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 4 | 103 contacts → | ||||
Strong evidence “Basari Holding, which was established in Ankara as Basari Electronics in 1989, is presently among the top conglomerates in the IT and Telecommunications sector, and continues…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 91 contacts → | ||||
Indirect evidence “Bilgi Teknolojileri ve İletişim Kurumu'dan işletmeci (operatör) lisansları alarak telekomünikasyon sektöründe Sabit Telefon, Faks, SMS, Sesli Mesaj, Toplu SMS, Sanal Santral ve…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 73 contacts → | ||||
Indirect evidence “Since our founding in 1997, we have worked to provide value to our customers by offering customized services with a focus on technology.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 68 contacts → | ||||
Strong evidence “Superonline (Tellcom), biggest alternative telecommunications operator in Turkey, is a broadband and voice services provider.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 61 contacts → | ||||
Strong evidence “Sigma Telecom was founded in 2003 to provide high quality telecommunication infrastructure services including; optimisation, planning and drive testing.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 48 contacts → | ||||
Indirect evidence “Port iş ve dış tic.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 43 contacts → | ||||
Indirect evidence “1986 yılında kurulan Netcom Bilgisayar A.S.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 29 contacts → | ||||
Indirect evidence “Global Tower is Turkey's first and only tower infrastructure service provider whose core business is to supply professional renting, installation, and maintenance services for…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 23 contacts → | ||||
Indirect evidence “Telekomünikasyon, Teknoloji ve Mağazacılık - Perakendecilik sektörlerinde ülkenin önde gelen şirketlerinden olan Doruk Şirketler Grubu, İstanbul ve Trakya blgelerinde 24 adet…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 17 contacts → | ||||
Indirect evidence “As the leading internet service provider in our region, we continue our investments in innovation, technology, and high service quality without slowing down to offer our customers…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 15 contacts → | ||||
Indirect evidence “NetFactor Telekom 2007 yılında telekominikasyon ve internet teknolojileri alanında hizmet vermeye başlamıştır.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Indirect evidence “İnfitek Telekomünikasyon; 2013 yılında Ankara'da kurulmuş olup, iletişim sektöründe faaliyete başlamış dinamik bir oluşumdur.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “Yılların deneyimi ile Telekomünikasyon sektörünün içinden gelen bir ekip olarak, enerjimiz, heyecanımız ve dinamik yapımızla; hizmet verdiğimiz tüm paydaşlarımıza özel çözümler ve…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10 contacts → | ||||
Strong evidence “At Techtown as a next generation global company, we are at the forefront of the telecommunications industry, specializing in international VoIP services.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Strong evidence “ACTS is a telecommunication service provider that focus on international voice carrier services.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Indirect evidence “Our Mission To provide our customers with the highest quality products and services that they can use effectively and efficiently.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Strong evidence “DVA is part of Merit Group which is the leader solution provider in finance, call center, hospitality and construction business in IT and Telecommunication Established in 1996 in…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “Şirket Profili 2007’de Fırat Telekom olarak başladığı yolculuğuna 2014 yılından itibaren NAC Telekomünikasyon olarak devam eden ve telekomünikasyon sektöründe verdiği hizmetlerle…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence “Solveline Telekom, verdiği hizmetlerle, uyguladığı projelerle Telekom sektöründe kendini ispatlamıştır.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Indirect evidence “Mobil Telekomünikasyon Operatörleri Derneği (m-TOD), mobil iletişim alanına ilişkin tüm süreçlerde etkin rol almak, ülkemizi bu alanda öncü, yenilikçi ve lider bir konuma…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Indirect evidence “Online Telekom, 2010 yılında bilgi teknolojileri ve iletişim kurumu (BTK) tarafından almış olduğu Sabit Telefon Hizmeti (STH) lisansı ile şehir içi, şehirlerarası ve/veya uluslar…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “İletişim sektöründe 10.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecommunication companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telecommunication companies.
- Partial evidence
- Its own public description names part of telecommunication companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecommunication companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 159 telecommunication companies based in Türkiye
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Telecommunication companies based in Türkiye at a glance
As of Sep 15, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 159 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecommunication companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Türkiye whose own description of what they do matches “telecommunication companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecommunication companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telecommunication companies, and records with no verified work email. Companies headquartered outside Türkiye are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 3,702 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 15, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Telecommunication companies by metro
- Telecommunication companies in Istanbul60
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecommunication companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telecommunication companies are there based in Türkiye?
RevenueBase identified 159 telecommunication companies headquartered in Türkiye as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Turkcell, headquartered in Maltepe, tops this list with the largest team on record.
Which city has the most telecommunication companies?
Istanbul leads with 60 headquartered companies, followed by Ankara (10) and Izmir (8).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,702 verified decision-maker contacts tracked across these 159 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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