ING Türkiye
A Turkish banking subsidiary of ING Group serving individual and business customers through retail and commercial banking products. ING's subsidiary in Turkey providing banking services.
Last updated October 17, 2026
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Overview
ING Türkiye is the Turkish banking subsidiary of ING Group, the international financial-services group. The business provides retail and commercial banking services in Turkey, supplemented by related financial offerings including insurance and asset-management products. Its customer base includes individuals, households, entrepreneurs and companies. The institution traces its local history to the opening of an Istanbul branch by the United States-based First National Bank of Boston in 1984. It subsequently operated independently in Turkey and passed through several ownership and naming stages. In the early 1990s, the bank was associated with Alarko, Cerrahoğlu and OYAK interests. OYAK, the Turkish Armed Forces Pension Fund, later acquired the remaining shares and became the sole shareholder. The institution was renamed Oyak Bank in 1996. A significant expansion occurred in 2002, when Sümerbank was merged into Oyak Bank. The transaction increased the bank's domestic scale, and the combined institution was described as having more than 300 branches across Turkey. The bank also maintained branches in Ireland and Germany during this period, reflecting an international element to its operations before its acquisition by ING. ING Group acquired Oyak Bank in December 2007, bringing the Turkish operation into its international banking network. Following the acquisition, the business operated under the ING brand and became known as ING Türkiye. The change connected the Turkish franchise with ING's broader banking platform while preserving its focus on the Turkish market. The bank's current proposition combines everyday personal banking with financing and other services for businesses. Its activities are best understood as those of a foreign-owned private-sector bank operating in Turkey rather than as a standalone globally listed banking group. Public reference material identifies the Turkish operation as active, but the supplied sources do not establish a current executive roster, precise headquarters information, detailed financial performance, or a complete account of its present branch and digital distribution model.
History
ING Türkiye developed from a banking operation established in Istanbul by First National Bank of Boston in 1984. The local business later operated independently and went through changes in ownership involving Alarko, Cerrahoğlu and OYAK interests. In 1991, the institution was again identified as Turkish Boston Bank A.Ş. OYAK subsequently acquired the other shareholders and became the bank's sole owner. In 1996, the bank adopted the name Oyak Bank, aligning it with OYAK, the Turkish Armed Forces Pension Fund and its then-owner. The institution expanded its domestic presence in 2002 through the merger of Sümerbank into Oyak Bank. After the merger, the bank had more than 300 branches around Turkey according to the cited reference material. It also had branches in Ireland and Germany during this period. The principal ownership transition occurred in December 2007, when ING Group acquired Oyak Bank. The acquisition made the Turkish bank part of ING's international banking organization and led to the adoption of the ING brand in the Turkish market. The resulting business is known as ING Türkiye, or ING (Turkey), and operates as an ING Group subsidiary. Its business scope covers banking services for retail customers and companies in Turkey. The reference material also associates the bank with insurance and asset-management products. The supplied sources do not provide enough information to document a detailed chronology of later product launches, leadership changes, branch closures, financial results or strategic decisions. Accordingly, those areas are left unreported rather than inferred.
- 2007
Acquired by ING Group
[1]ING Group acquired Oyak Bank in December 2007, bringing the Turkish business into the ING international banking group.
- 2002
Sümerbank merger
[1]Sümerbank merged into Oyak Bank, expanding the institution's Turkish branch network to more than 300 branches according to the cited reference.
- 1996
Renamed Oyak Bank
[1]After OYAK acquired the other shareholders and became the sole owner, the bank adopted the Oyak Bank name.
- 1991
Return to the Turkish Boston Bank name
[1]The institution was renamed Turkish Boston Bank A.Ş. during a period of changing ownership.
- 1990
The Turkish operation becomes independent
[1]The bank is described as having operated independently in Turkey from 1990.
- 1984
First National Bank of Boston enters Turkey
[1]First National Bank of Boston opened a branch in Istanbul, establishing the local banking operation from which the later ING Türkiye business developed.
Products and positioning
A foreign-capital private-sector bank combining ING Group affiliation with retail and commercial banking services for customers in Turkey.
Personal banking
Retail banking
ING Türkiye provides banking services for individuals and households in Turkey. The supplied reference identifies retail banking as a core activity, although it does not provide a current product-by-product catalogue or detailed terms for deposits, cards, loans and digital services.
Business banking
Commercial banking
The bank serves businesses through commercial banking services and related financial products. The source material does not specify the current segmentation, sector focus, loan portfolio or transaction-banking structure, so this entry is limited to the documented business scope.
Insurance and bancassurance
Insurance-related products
Insurance is identified as one of the financial product areas associated with ING Türkiye. The supplied sources do not establish whether particular products are underwritten by the bank, distributed through partners or offered through another group structure.
Asset management
Asset-management-related products
The Turkish operation is also associated with asset-management products. No detailed information is provided in the reference material about funds, mandates, investment vehicles or distribution channels.
Sources2 sources
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