List of Popular Banks in Taiwan.

The Bank of Taiwan Kabushiki-gaisha, the predecessor of the Bank of Taiwan, was established in 1899 as Taiwan’s Central Bank during the Japanese ruling period. It issued local currency and provided a financial resource to enterprises. The Bank of Taiwan (BOT)was established on May 20, 1946, as the first government-owned bank following the island's restoration to the Republic of China in 1945.

BOT has been a judicial person under Banking Law since 1985. Effective July 1, 2003, BOT became a corporate organization under Company Law. In accordance with the regulations upon financial holding corporations, on January 1, 2008, Taiwan Financial Holdings was established on the basis of the share transfer. On January 2, 2008, the Bank split its Department of Securities and Department of Life Insurance to organize the other two subsidiaries of Taiwan Financial Holdings, BankTaiwan Securities Co. Ltd. and BankTaiwan Life Insurance Co., Ltd. The current amount of capital of the Bank is one hundred and nine billion of New Taiwan Dollars. The bank strongly supports Taiwan’s economic development with sufficient financial function and plays a leading position in the financial systems in Taiwan.

Established in 1975 as the United World Chinese Commercial Bank, it changed its name to Cathay United Bank in 2009 after merging with Cathay Bank.

Established in 1992 as a result of a merger between several smaller banks, E. Sun Bank has since grown to become one of the largest banks in Taiwan.

Established in 1899 as the Bank of Taiwan's predecessor, the First Commercial Bank was nationalized by the government in 1949.

Established in 1919 as the Hua Nan Bank, it was the first bank in Taiwan to issue banknotes. It was nationalized in 1949 and has since been privatized.

Mega International Commercial Bank Co., Ltd. (Mega ICBC) has come into being as a result of the merger of The International Commercial Bank of China and Chiao Tung Bank, effective on August 21, 2006. Both banks have been proud of their longtime histories of outstanding track records in the country. In 1971, The Bank of China was privatized to become The International Commercial Bank of China Co., Ltd. (ICBC), whose origin dates back to the Ta Ching Bank and its predecessor, the Hupu Bank. The Bank of China had been entrusted with the mission to serve as an agent of the Treasury and a note-issuing bank before the establishment of the Central Bank of China in 1928.

Set up five years before the founding of the Republic of China, Chiao Tung Bank Co. Ltd. (CTB) had also been delegated to act as an agent of the government coffer and a note-issuing bank in concert with the Bank of China at the outset of the Republic. Transforming from a licensed bank for industries in 1928, an industrial bank in 1975, and a development bank in 1979, CTB turned from a state-controlled bank into a privately–owned one in 1999. It has engaged in loan extensions for medium- and long-term development, innovation and guidance investment (equity investment), and venture capital ever since.

Established in 1966, Shin Kong Bank is a subsidiary of the Shin Kong Group, a major financial and insurance conglomerate in Taiwan.