Company lists · Data refreshed September 2026
Top 25 Business conglomerates based in Türkiye
RevenueBase identified 119 business conglomerates headquartered in Türkiye as of September 2026 and tracks 10,859 professional contacts across them, including 781 with verified work emails. Istanbul is the largest hub.
This list covers business conglomerates 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 19, 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 business conglomerates based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 938 contacts → | ||||
Indirect evidence “As a pioneer of change in Turkey, the Doğuş Group, founded in 1951, sets standards for a better living by being at the forefront of discoveries that shape modern life, capitalizes…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 854 contacts → | ||||
Indirect evidence “Temelleri 1970’te Türkiye Gazetesi’nin yayın hayatına başlamasıyla atılan İhlas Holding, yarım asrı aşan köklü geçmişinden aldığı güçle faaliyet gösterdiği her alanda…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 822 contacts → | ||||
Indirect evidence “1974 yılında başlayan yolculuğumuz boyunca, adımlarımızı hep en iyiye ulaşma ilkesiyle attık.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 530 contacts → | ||||
Indirect evidence “1981 yılında Ahmet Çalık tarafından kurulan Çalık Holding enerji, inşaat, madencilik, tekstil, finans, telekomünikasyon ve dijital alanlarında faaliyet göstermektedir.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 487 contacts → | ||||
Indirect evidence “1969 yılında tekstil sektörüyle ticari yaşamına başlayan; Enerji, Kağıt, Ambalaj, Tekstil, Perakende ve Çimento alanlarında faaliyet gösteren Eren Holding ve bağlı şirketleri, öz…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 476 contacts → | ||||
Strong evidence “The Ciner Group is an industrial conglomerate that operates in four main sectors: Energy and Mining, Natural Soda Ash, Glass and Chemicals, Maritime and Shipping, and News and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 369 contacts → | ||||
Indirect evidence “Gülsan Holding’in temelini oluşturan Topçuoğlu Otomotiv, 1934 yılında nakliye firması olarak, Topçuoğlu ailesi tarafından kurulmuştur.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 318 contacts → | ||||
Strong evidence “YILDIRIM Group is a highly-diversified, vertically integrated, global industrial conglomerate based in Istanbul, Turkey.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 217 contacts → | ||||
Indirect evidence “Ata Group traces its roots back to Seri İnşaat, founded in 1969, which successfully completed the Atatürk Dam and Hydroelectric Power Plant, one of Turkey's largest projects under…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 170 contacts → | ||||
Indirect evidence “Turgut Aydın Holding, bünyesinde A101 indirim marketleri, Memorial Sağlık Grubu, English Home mağaza zinciri ve tekstil sektöründe Aydın Örme şirketi, restoran işletmeciliğinde…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 152 contacts → | ||||
Indirect evidence “Maksem Grup bünyesinde birden çok inşaat şirketini barındırmaktadır.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 132 contacts → | ||||
Indirect evidence “Commercial activities began with the establishment of MEF Dershaneleri (Educational Institutes) in 1972.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 120 contacts → | ||||
Indirect evidence “1955 yılında Turan Kilit tarafından Kristal Züccaciye Toptan ve Perakende Ev Gereçleri ismiyle kurulan Kilit Şirketler Grubu; Süleyman Kilit, Tuncay Kilit ve Taner Kilit…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 75 contacts → | ||||
Indirect evidence “The foundations of TORKAM HOLDING were laid in 1989 by the Chairman of the Executive Board, Mr.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 53 contacts → | ||||
Indirect evidence “NAB Holding fundamentals has been laid down in 1988-İstanbul by Eromi family with the establishment of NAB Dış Ticaret Co.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 45 contacts → | ||||
Indirect evidence “TURGUT ISIK, founder of ISIKLAR HOLDING A.S.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 37 contacts → | ||||
Indirect evidence “ESFA Grup, markaların e-ticaret yolculuğunu uçtan uca yöneten 360° e-ticaret çözüm ortağıdır.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 37 contacts → | ||||
Indirect evidence “1980 yılında kurulan Piranlar Şirketler Grubu, çok sektörlü yapısı ve 45 yıllık köklü geçmişiyle Türkiye’nin güvenilir ticaret kurumları arasında yer almaktadır.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 29 contacts → | ||||
Indirect evidence “Alternatif Grup; 2004 yılı itibariyle farklı sektörlerde faaliyet gösteren şirketlerini Grup çatısı altında toplamış, teknolojik yeniliklere hızlı adaptasyonu, müşteri…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 20 contacts → | ||||
Indirect evidence “Nursanlar Holding A.S.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Strong evidence “Founded in 2005, API GROUP has been taking its place among the leading business conglomerates of Turkey.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Indirect evidence “Türkiye’de hayatına başlayan ve global bir marka olma yolunda hızla ilerleyen Mimar Holding; bugün ABD’de Miami, MENA Bölgesi’nde Dubai ve Avrupa’da Londra ofisleriyle iş ağını…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Indirect evidence “Boğaziçi Holding, 2020 yılında kurulmuştur.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Indirect evidence “Future Native Holding, a family-owned international investment holding company with operations spanning 7+ countries and a diversified portfolio across sectors including energy…” Source: RevenueBase Database · checked Sep 19, 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: business conglomerates. 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 business conglomerates.
- Partial evidence
- Its own public description names part of business conglomerates, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name business conglomerates. 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 119 business conglomerates based in Türkiye
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Business conglomerates based in Türkiye at a glance
As of Sep 19, 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 119 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 business conglomerates, 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 “business conglomerates”. 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 business conglomerates), 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 business conglomerates, 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, 781 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 19, 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.
Business conglomerates by metro
- Business conglomerates in Istanbul45
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 business conglomerates, 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 business conglomerates are there based in Türkiye?
RevenueBase identified 119 business conglomerates 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?
Doğuş Grubu, headquartered in Sariyer, tops this list with the largest team on record.
Which city has the most business conglomerates?
Istanbul leads with 45 headquartered companies, followed by Bahcelievler (4) and Sariyer (4).
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 781 verified decision-maker contacts tracked across these 119 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 19, 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.