The Eighteenth Bank
Corporate brand
UnclaimedA historic regional bank founded in Nagasaki in 1877 that served local customers and businesses and maintained a major Japan–Korea trade-finance presence before being absorbed by Fukuoka Financial Group in 2019.
Last updated August 24, 2026
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Overview
The Eighteenth Bank, originally established as the Eighteenth National Bank, was a Japanese regional banking institution founded in Nagasaki in September 1877. It was created during the unsettled period surrounding the Satsuma Rebellion, when local commercial leaders sought to establish a formal financial institution capable of supporting trade, deposits, and credit in Nagasaki. Like other national banks created under Japan's Meiji-era banking framework, it was identified by the chronological number assigned to its establishment. The institution later became known simply as the Eighteenth Bank. Nagasaki's position as a major port shaped the bank's historical identity. From the 1880s, it supported merchants involved in commerce with the Korean Peninsula by issuing bills of exchange and extending loans to Nagasaki traders. In 1890, after receiving authorization from Japan's Ministry of Finance, the bank opened a branch in Incheon. It subsequently expanded to Wonsan in 1894 and Busan in 1897. This made it one of the early Japanese banks to build a substantial operational presence in Korea. The bank also took over the operations of the 102nd National Bank in 1890 after that institution failed amid political tensions between China and Japan. Its Korean branch network remained active until 1936, when the branches were transferred to the Chōsen Industrial Bank. The bank developed through a combination of organic expansion and consolidation. It absorbed Kuchinotsu Bank in 1919, Nagasaki Bank in 1927, Ariie Bank in 1929, Isahaya Bank in 1942, and Nagasaki Savings Bank in 1944. These transactions strengthened its position in Nagasaki and expanded its ability to serve households, merchants, and companies across the prefecture. Over time, its business broadened beyond trade finance to include ordinary deposits, lending, foreign-exchange services, investment trusts, and other services associated with a full-service regional bank. In the postwar period, the Eighteenth Bank became a core financial institution in Nagasaki Prefecture and the wider Kyushu region. Its branch network reached 113 locations around Japan by 2012, according to the referenced historical material. The bank served individuals through deposit and lending products while also financing local companies and regional economic activity. Its role was characteristic of Japanese regional banks: it operated as both a commercial intermediary and an important institution within the local business community. The bank's later history was shaped by consolidation in Japan's regional financial sector. Fukuoka Financial Group began a process to absorb the Eighteenth Bank in 2016. The process was prolonged and was ultimately completed in 2019, after which the Eighteenth Bank ceased to exist as an independent bank. Its absorption marked the end of a banking brand with more than 140 years of history, while its activities and customer relationships were incorporated into the Fukuoka Financial Group structure.
History
The Eighteenth Bank was established in Nagasaki in September 1877 as the Eighteenth National Bank, one of the numbered national banks created under Japan's Meiji-era banking system. Its formation took place during the political and economic disruption associated with the Satsuma Rebellion. Local merchants, including Nagami Denzaburō and Matsuda Gengorō, were among the figures who promoted the institution. The bank was intended to provide a more organized source of deposits, credit, and payment services for Nagasaki's commercial community. Because Nagasaki was one of Japan's principal international ports, overseas commerce became an important part of the bank's early development. Beginning in 1882, it issued bills of exchange and provided loans to Nagasaki merchants engaged in trade with Korea. In 1890, the Japanese Ministry of Finance authorized it to establish a branch in Incheon, which opened on 1 October of that year. The bank also assumed the former operations of the 102nd National Bank, an institution on Tsushima Island that had failed in the context of political tensions between China and Japan. Further branches opened in Wonsan in 1894 and Busan in 1897. The bank was therefore among the earliest Japanese financial institutions to establish a meaningful branch presence in Korea. In 1936, its Korean branches were transferred to the Chōsen Industrial Bank. Domestically, the bank expanded through mergers and acquisitions. It absorbed Kuchinotsu Bank in 1919, Nagasaki Bank in 1927, Ariie Bank in 1929, Isahaya Bank in 1942, and Nagasaki Savings Bank in 1944. These combinations broadened the bank's reach across Nagasaki Prefecture and reinforced its role as a regional financial intermediary. Its activities eventually covered ordinary banking services such as deposits, lending, foreign exchange, and investment trusts, in addition to its earlier trade-finance activities. During the modern period, the Eighteenth Bank remained closely associated with Nagasaki and the Kyushu regional economy. It served retail customers, local merchants, and corporate borrowers through a large domestic branch network. The referenced historical account records 113 branches around Japan by 2012. Its business model reflected that of a Japanese regional bank: gathering deposits locally, extending credit to households and enterprises, and supporting regional commerce. The final phase of the bank's history was driven by structural consolidation in Japanese regional banking. Fukuoka Financial Group began the absorption process in 2016. The transaction took several years to complete, and the Eighteenth Bank was ultimately absorbed in 2019. The independent Eighteenth Bank brand and corporate institution thereby came to an end after more than a century of operation.
- 2019
Absorption completed
[1]The Eighteenth Bank was absorbed by Fukuoka Financial Group and ceased to exist as an independent institution.
- 2016
Fukuoka Financial Group absorption process began
[1]Fukuoka Financial Group initiated the process that would ultimately absorb the Eighteenth Bank.
- 2012
Branch network reached 113 locations
[1]The referenced historical account reported that the bank operated 113 branches around Japan by this year.
- 1944
Absorption of Nagasaki Savings Bank
[1]The Eighteenth Bank absorbed Nagasaki Savings Bank, further expanding its local deposit and savings business.
- 1942
Absorption of Isahaya Bank
[1]The bank absorbed Isahaya Bank during a period of continued concentration among regional financial institutions.
- 1936
Korean branches transferred
[1]The Eighteenth Bank's Korean branches were taken over by the Chōsen Industrial Bank, ending the bank's direct Korean branch operations.
- 1929
Absorption of Ariie Bank
[1]The bank continued its expansion by absorbing Ariie Bank.
- 1927
Absorption of Nagasaki Bank
[1]The bank absorbed Nagasaki Bank as part of its regional consolidation.
- 1919
Absorption of Kuchinotsu Bank
[1]The Eighteenth Bank expanded its domestic operations by absorbing Kuchinotsu Bank.
- 1897
Busan branch opened
[1]A branch in Busan extended the bank's commercial-finance presence in Korea.
Products and positioning
A Nagasaki-centered regional bank supporting households, local companies, merchants, and cross-border trade, with a particularly notable historical role in Japan–Korea commercial finance.
Retail banking
Deposits
Deposit-taking was a core function of the Eighteenth Bank's regional banking model. The bank gathered funds from households, merchants, and companies in Nagasaki and other served areas, providing the funding base for its lending and broader financial-intermediation activities.
Consumer and household finance
Retail loans
The bank provided lending services to individual customers as part of its role as a full-service regional bank. The referenced material identifies lending as one of its principal activities, although it does not specify individual product names or launch dates.
Commercial banking
Commercial and corporate loans
Commercial lending supported local businesses, merchants, and regional companies. Historically, the bank also financed Nagasaki traders involved in commerce with Korea, making business credit and trade-related lending an important part of its identity.
International banking · 1882
Foreign exchange and trade finance
The Eighteenth Bank began its international banking activities by issuing bills of exchange and lending to merchants trading with Korea. It later operated branches in Incheon, Wonsan, and Busan, although those Korean branches were transferred in 1936.
Investment services
Investment trusts
Investment trusts were among the financial services offered by the modern Eighteenth Bank. The available reference identifies this service category but does not provide details about particular funds, distribution arrangements, or product launches.
Brand decisions
2019
Completion of absorption into Fukuoka Financial GroupM&ABackground
The absorption process initiated in 2016 was described as prolonged before reaching completion.
Action taken
Fukuoka Financial Group completed the absorption of the Eighteenth Bank.
Aftermath
The Eighteenth Bank ceased to operate as an independent bank, and its historical business was incorporated into the Fukuoka Financial Group structure.
2016
Initiation of absorption by Fukuoka Financial GroupM&ABackground
The Eighteenth Bank operated in a Japanese regional banking environment where consolidation was increasingly used to strengthen local financial groups and address competitive and structural pressures.
Action taken
Fukuoka Financial Group began a process to absorb the Eighteenth Bank.
Aftermath
The process continued for several years and was completed in 2019, ending the Eighteenth Bank's status as an independent institution.
Sources2 sources
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