These family-owned companies in Istanbul are predominantly large, diversified conglomerates with interests spanning multiple sectors. Companies like Anadolu Group, Sabanci Holding, and Yıldız Holding each employ tens of thousands of people and operate across various industries, including manufacturing, finance, energy, and retail. Many of these firms have a long history, with several founded in the mid-20th century, indicating established presences in the Turkish economy.
A significant pattern observed is the prevalence of holding companies and investment management firms, such as Akkök Holding and Zorlu Holding, which manage diverse portfolios. Manufacturing also features prominently, with companies like Eczacıbaşı Topluluğu and Evyap producing goods ranging from ceramics and personal care products to industrial materials. This mix reflects a broad industrial base within Istanbul's family-owned business landscape.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Anadolu Groupanadolugroup.com
A multinational group operating in 7 sectors, with partnerships with leading global brands, linking Anatolia to the world |
36,225 | |||
| 2 |
Sabanci Holdingsabanci.com
Conglomerate with diverse interests in banking, finance, energy, industrials, building materials, and retail, focusing on sustainability and global partnerships. |
22,437 | |||
| 3 |
Yıldız Holdingyildizholding.com.tr
A leading food and retail organization that satisfies consumers, customers, employees, and shareholders, while contributing to social development through various projects |
20,499 | |||
| 4 |
Eczacıbaşı Topluluğueczacibasi.com.tr
Founded in 1942, the group operates in various industries such as bathroom, ceramics, consumer products, health, finance, and technology, contributing to societal development and sustainability |
5,960 | |||
| 5 |
Akkök Holdingakkok.com.tr
Established in 1952, a leading organization in the fields of chemicals, energy, and real estate, with a focus on global competition and achieving world-class standards |
3,692 | |||
| 6 |
Eminevimeminevim.com
A pioneering company in the savings finance sector, providing opportunities for individuals to become vehicle owners through a unique concept |
2,416 | |||
| 7 |
Evyapevyap.com.tr
A leading manufacturer of personal care and hygiene products, exporting to over 100 countries, known for quality soap, shower gels, skincare, and more |
2,298 | |||
| 8 |
Zorlu Holdingzorlu.com.tr
A diversified group with a strong corporate structure, operating in textile, electronics, energy, real estate, mining, and other sectors, focusing on sustainability and innovation |
2,283 | |||
| 9 |
Karadeniz Holdingkaradenizholding.com
Conglomerate with the world's first and only floating power plant fleet, providing immediate access to sustainable, reliable electricity across four continents. |
1,644 | |||
| 10 |
Elginkan Holdingelginkan.com.tr
Leading Turkish industrial group with diverse product range including sanitary fixtures, heating/cooling systems, household appliances, and industrial raw materials Providing comprehensive solutions from production to sales |
1,501 | |||
| 11 |
KUZU GROUPkuzugrup.com
A major player in construction and real estate, specializing in innovative and high-quality projects internationally, with a focus on sustainability |
1,316 | |||
| 12 |
İlko Pharmaceuticalsilko.com.tr
Pharmaceutical manufacturer founded by a pharmacist with strong values, dedicated to advancing human health through honesty, vision, and innovation |
778 | |||
| 13 |
Atasayatasay.com
A leader in the Turkish jewelry sector for three generations, pioneering innovation and customer satisfaction, aiming to be among top global corporations by 2023 |
737 | |||
| 14 |
Tiryaki Agrotiryaki.com.tr
Supply chain management of agricultural products including sourcing, logistics, processing, storage, and trade across over 50 countries worldwide. |
729 | |||
| 15 |
KASkas.com.tr
A family-owned business focusing on manufacturing brass fittings, radiators, plumbing, and heating systems products for over 50 years with experienced teams and multiple facilities |
719 | |||
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 |
Atabay Pharmaceuticals and Fine Chemicalsatabay.com
A pharmaceutical and fine chemicals manufacturer with a history dating back to 1939, offering quality products for human and animal health |
607 | |||
| 17 |
Lila Kağıtlilakagit.com
A leading producer of hygienic cleaning paper products with a century-long history, sustainable practices, and a focus on community and environmental initiatives |
572 | |||
| 18 |
Happy Centerhappycenter.com.tr
A retail sector player offering quality and safe services since 1969, focusing on customer satisfaction through friendly service with a unique approach |
558 | |||
| 19 | 556 | ||||
| 20 |
Saruhan Holdingsaruhan.com.tr
Specializing in the production and distribution of electrical appliances, industrial cleaning machines, and a variety of detergents both locally and internationally |
550 | |||
| 21 |
Ciner Groupcinergroup.com.tr
An industrial conglomerate operating in Energy, Mining, Soda Ash, Glass, Chemicals, Maritime Shipping, and News, Entertainment sectors |
541 | |||
| 22 |
Sertrans Logisticssertrans.com.tr
A family-owned logistics provider offering end-to-end solutions, international freight services, e-commerce logistics, storage, and value-added services for over 30 years |
523 | |||
| 23 |
Mopaşmopas.com.tr
A retail business that started with three markets in Istanbul and expanded to wholesale stores, known for its ethical practices and customer-oriented approach |
459 | |||
| 24 |
Beyaz Fırınbeyazfirin.com
A multi-generational bakery rooted in tradition, offering fresh, daily made pastries and embracing a culture of continuous improvement through training and customer feedback |
429 | |||
| 25 | 427 | ||||
| 26 |
Vaillant Group Türkiyevaillant-group.com
Leading provider of heating and ventilation solutions, specializing in renewable energy systems for energy-efficient buildings Operates in over 20 countries with 13,000+ employees |
408 | |||
| 27 |
Ziylan Groupziylan.com.tr
Operating 355 stores nationwide and exporting to 25 countries, the group introduced the 'shoe market' concept and manages a popular European brand |
391 | |||
| 28 |
Şahinler Holdingsahinlerholding.com.tr
A diversified group with a strong presence in various sectors including ready-made clothing, construction, tourism, food & beverage, and social services |
345 | |||
| 29 |
Turkon Lineturkon.com
Specializing in container shipping services, the company offers direct routes to the United States and various European countries, focusing on customer satisfaction and quality |
343 | |||
| 30 |
OLGARolgar.com.tr
A family passionate about nature, specializing in sports apparel and equipment for all seasons, aiming to bring customers in harmony with nature |
316 | |||
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How this list is built
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 14, 2026.
More company lists in Istanbul
- The largest companies in Istanbul 1,393
- Multinational companies in Istanbul 348
- Manufacturers in Istanbul 249
- Retail chains in Istanbul 188
- Companies with in-house R&D in Istanbul 177
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- Corporate groups and holding companies in Istanbul 134
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- Education providers in Istanbul 93
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- Retail companies in Istanbul 71
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- Energy companies in Istanbul 64
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- Food and beverage companies in Istanbul 61
- Construction companies in Istanbul 59
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- Logistics companies in Istanbul 53
- IT services companies in Istanbul 50
- Financial Services companies in Istanbul 47