Three banks including Aomori Michinoku Bank announce the start of business integration talks

Aomori Michinoku Bank (headquarters in Aomori City), Iwate Bank (Morioka City), and Akita Bank (Akita City) officially announced on the 2nd that they will begin discussions toward business integration. Issues such as population decline in rural areas are a common concern for regional banks, and reorganization is progressing in various regions in order to survive.

According to Hideo Oshima, a senior research fellow at the Japan Research Institute, in the first half of the 2020s there were a number of announcements about reorganization within the same prefecture. Management integration, including the creation of subsidiaries, has progressed in Kanagawa, Fukuoka, Fukui, Aichi, Aomori, Nagano, and Mie prefectures. Merging banks with overlapping bases had the advantage of streamlining management by consolidating and closing duplicate branches.

On the other hand, reorganization across prefectural borders has recently become more widespread. In 2025, Niigata Prefecture's Daishi Hokuetsu Financial Group (FG) and Gunma Bank; in 2026, Shizuoka FG and Nagoya Bank, which owns the leading regional bank Shizuoka Bank; Aichi Prefecture's Aichi FG; and Mie Prefecture's Sanjusan FG, each announced plans for business integration.

"Offensive integration"

This kind of “cross-border reorganization” is...