TYIBF on OTC Markets Group

İşbank

Logo: Public domain, via Wikimedia Commons4

Commercial bank in Turkey

İşbank, officially Türkiye İş Bankası, is a commercial bank in Turkey. Founded by the orders of Mustafa Kemal Atatürk in 1924, it is the first bank to go into operation in the Republic of Türkiye. As of a late 2023 report, the bank operates with 1,066 branches domestically, giving it one of the largest branch networks in Turkey. İşbank also has 22 branches across 11 countries.2 It is headquartered in Ankara.1 It employed about 24,900 people in 2011.1 Its shares trade on OTC Markets Group under the symbol TYIBF.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1924Founded1

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  • TickerTYIBF on OTC Markets Group1
  • Industryfinancial sector, financial service activities, except insurance and pension funding, financial services1
  • HeadquartersIstanbul1
  • Founded inAnkara1
  • Websitewww.isbank.com.tr
  • Legal formAnonim şirket1
  • LEI789000FIRX9MDN0KTM913
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressİŞ KULELERİ BEŞİKTAŞ/İSTANBUL, 34330 İstanbul, Turkey3
  • Registered withMinistry of Customs and Trade, General Directorate of Domestic Trade, 04810058590009093
Is kuleleri 1
Photo: Filanca 21:34, 8 February 2007 (UTC), CC BY-SA 3.0, via Wikimedia Commons9

İşbank, officially Türkiye İş Bankası, is a commercial bank in Turkey. Founded by the orders of Mustafa Kemal Atatürk in 1924, it is the first bank to go into operation in the Republic of Türkiye.2

Corporate structure

İşbank sits at the top of its group. 299 entities, 4 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • İşbank İstanbul, Turkey
    • Anadolu Hayat Emeklilik Subsidiary
    • İşnet Subsidiary
    • Türkiye İş Bankası. Cultural Publications Subsidiary · Istanbul, Turkey
    • Акционерное общество "ИШБАНК" Subsidiary · 100% · Москва, Russia
    • ANADOLU ANONİM TÜRK SİGORTA ŞİRKETİ Subsidiary · İstanbul, Turkey
    • ANADOLU HAYAT EMEKLİLİK ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş TEMETTÜ ÖDEYEN ŞİRKETLER HİSSE SENEDİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. AGRESİF DEĞİŞKEN EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. ALTIN EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. ALTIN KATILIM EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. ATAK DEĞİŞKEN EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. BAŞLANGIÇ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. BAŞLANGIÇ KATILIM EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. BIST BANKA ENDEKSİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. BIST-100 DIŞI ŞİRKETLER HİSSE SENEDİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. BİRİNCİ DEĞİŞKEN EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. BİRİNCİ KAMU DIŞ BORÇLANMA ARAÇLARI EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. BORÇLANMA ARAÇLARI GRUP EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. DENGELİ DEĞİŞKEN EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. GÜMÜŞ FON SEPETİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. HİSSE SENEDİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. HİSSE SENEDİ GRUP EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. İKİNCİ BORÇLANMA ARAÇLARI EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. İKİNCİ BORÇLANMA ARAÇLARI GRUP EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. İKİNCİ HİSSE SENEDİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. İKİNCİ KAMU DIŞ BORÇLANMA ARAÇLARI EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. İŞ BANKASI İŞTİRAK ENDEKSİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. KATILIM HİSSE SENEDİ EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. KATILIM KATKI EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. KATILIM STANDART EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • ANADOLU HAYAT EMEKLİLİK A.Ş. KATKI EMEKLİLİK YATIRIM FONU Fund · İstanbul, Turkey
      • and 22 more
    • İŞ ENERJİ YATIRIMLARI ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
    • İŞ FAKTORİNG ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
    • İŞ FİNANSAL KİRALAMA ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
    • İŞ GAYRİMENKUL YATIRIM ORTAKLIĞI ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
    • İŞ YATIRIM MENKUL DEĞERLER ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • İŞ PORTFÖY YÖNETİMİ ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
        • İŞ PORTFÖY A.Ş.YENİLENEBİLİR ENERJİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • İŞ PORTFÖY AAF SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY ALTIN KATILIM FONU Fund · İstanbul, Turkey
        • İŞ PORTFÖY ARSLAN SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY AS SERBEST ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY ASKA SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY ATAK DEĞİŞKEN FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY BİRİNCİ PARA PİYASASI SERBEST (TL) FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY CEY SERBEST (DÖVİZ) ÖZEL FON Fund · Istanbul, Turkey
        • İŞ PORTFÖY DENGELİ FON SEPETİ FONU Fund · İstanbul, Turkey
        • İŞ PORTFÖY DEĞER SERBEST ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY EFON SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY EVREN SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY EYLÜL 2027 SERBEST (DÖVİZ) FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY FINDIKLI SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY GED SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY GÜMÜŞ FON SEPETİ FONU Fund · İstanbul, Turkey
        • İŞ PORTFÖY GÜZEL SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY İKİNCİ PARA PİYASASI (TL) FONU Fund · İstanbul, Turkey
        • İŞ PORTFÖY KAR PAYI ÖDEYEN HİSSE SENEDİ (TL) FONU (HİSSE SENEDİ YOĞUN FON) Fund · İstanbul, Turkey
        • İŞ PORTFÖY KARMA FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY KATILIM HİSSE SENEDİ (TL) FONU (HİSSE SENEDİ YOĞUN FON) Fund · İstanbul, Turkey
        • İŞ PORTFÖY KISA VADELİ BORÇLANMA ARAÇLARI (TL) FONU Fund · İstanbul, Turkey
        • İŞ PORTFÖY KOZA SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • İŞ PORTFÖY MHA SERBEST (DÖVİZ) ÖZEL FON Fund · İstanbul, Turkey
        • and 175 more
      • İŞ YATIRIM ORTAKLIĞI ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • LEVENT VARLIK KİRALAMA ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • MAXIS INVESTMENTS LTD Subsidiary · London, United Kingdom
      • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
        • MAXIS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. YENİLİKÇİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. 100.YIL GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. ARYA GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. ASTART GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. ATLAS BÜYÜME SERMAYESİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · 1, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. BİOSCİENCE MANAGERS GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. E-TİCARET GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. FOUNDER ONE GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. FUTURE OF MOBILITY GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. İTÜ ARI TEKNOKENT GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. KARMA STRATEJİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. MAXİS VENTURES GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. MOLTEN EAST TÜRKİYE TEKNOLOJİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. ODTÜ 70.YIL GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. T-FON GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. TEMİZ ENERJİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. TEMPLETON TÜRKİYE FONU II GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. TPEF V GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. TSKB GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
        • MAXİS GİRİŞİM SERMAYESİ PORTFÖY YÖNETİMİ A.Ş. TÜRKİYE YEŞİL FİNANS PROJESİ GİRİŞİM SERMAYESİ YATIRIM FONU Fund · İstanbul, Turkey
    • SODA SANAYİİ A.Ş. Subsidiary · İstanbul, Turkey
      • Şişecam Elyaf Sanayii Anonim Şirketi Subsidiary · İstanbul, Turkey
    • TURKIYE SINAI KALKINMA BANKASI ANONIM SIRKETI (TÜRKİYE SINAİ KALKINMA BANKASI ANONİM ŞİRKETİ) Subsidiary · Istanbul, Turkey
      • TSKB GAYRİMENKUL YATIRIM ORTAKLIĞI ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
      • YATIRIM FİNANSMAN MENKUL DEĞERLER ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey
    • Türkiye İş Bankası Museum Subsidiary · Fatih, Turkey
    • TÜRKİYE ŞİŞE VE CAM FABRİKALARI ANONİM ŞİRKETİ Subsidiary · İstanbul, Turkey

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

What it owns

What İşbank reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

The story

Founded by Mustafa Kemal Atatürk in 1924, in Ankara.1

Following the culmination of World War I in 1918 and the subsequent dissolution of the Ottoman Empire in 1922, Turkey was declared a republic with Mustafa Kemal Atatürk as the president. Atatürk acknowledged the government’s need for a national financial institution to rebuild Turkey's economy following the debacle of the war. İşbank was founded on 26 August 1924 at the First Economy Congress in İzmir.

Atatürk appointed Celâl Bayar, his close aide and then the Minister of Exchange Construction and Settlement, as the president of the newly formed bank. İşbank began operations with two branches and 37 staff under the leadership of Celâl Bayar, its first general manager. The bank was established with a capital of 1,000,000 TL of which 250,000 TL was covered by Atatürk himself, and the rest by private investors. In 1927, the capital was raised by 2 Million TL so it could be merged with the National Credit Bank as equal partners.

Established to utilize the smallest savings and transfer them to development, İşbank played a major role in the establishment and development of savings awareness in Turkish society, bringing the first piggy banks to Turkey in 1928. In the following years, İşbank began to expand by opening branches across the country. In 1932, İşbank opened branches in Hamburg, Germany and Alexandria, Egypt, becoming the first Turkish bank to open branches abroad. In the 1950s, İşbank expanded its portfolio of subsidiaries. The bank's subsidiaries became the driving force of Turkish industry, investing in and financing a wide range of businesses, particularly in the manufacturing sector. Having accelerated branch expansion in the 1960s and 1970s, İşbank paid special attention to the development of its overseas branch network in the 1980s. In the 1980s, İşbank began to offer a wide range of services to its customers in line with its multichannel banking vision. In 1982, İşbank introduced the first Automated Teller Machines (ATM) to Turkey, and at the same time, the bank named its ATMs as "Bankamatik" and registered this name as a trademark. With the launch of the "Blue Line" in 1991 and the first internet branch in 1997, İşbank assumed a pioneering role in this field. Since those years, İşbank has been carrying out R&D activities and studies on the use of new technologies to increase the quality and diversity of its services in line with the wishes and expectations of its customers.

From Wikipedia’s article on İşbank, shared under CC BY-SA 4.0.5

Leadership

Who has led İşbank, and when. Pick a name to see everywhere that person has worked.

Products and brands

Listed on Wikidata.1

In May 1998, 12.3% of the Bank's total shares previously held by the Turkish Treasury have been sold to national and international investors in a public offering. The states Pension Fund has brokered the offering of stock options to employees and retired staff in the company, which has reached 41.5%. As of December 2021, 37.3% of İşbank shares are held by İşbank's own Pension Fund, 28.1% of which are represented by Republican People's Party (CHP), and 34.6% are free float. In February 2019, Turkish President Recep Tayyip Erdoğan announced that he advocated the transfer of the shares held by the CHP to the treasury.

Işbank’s shares are listed on Borsa Istanbul and its depository receipts are traded on London Stock Exchange as GDR (REG S).

From Wikipedia’s article on İşbank, shared under CC BY-SA 4.0.5

Subsidiaries and ownership

Subsidiaries

Also owns

Also consolidated

From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Employees over time

  • 201124,8871

Timeline

  1. 1924Founded Founded in Ankara1