Japanese companies made a series of announcements involving M&A and business transfers during the week of 21–25 September 2026. Keisei Electric Railway will make Chiba Nichiishi a subsidiary, while Yamada Holdings will transfer Yamada Denki to a local company, among other corporate restructurings.
A series of announcements on 24 September included Axis's move to make Work Prime Contract a subsidiary as part of a restructuring in the IT and digital sectors, with the aim of expanding its network customer base and strengthening its engineering organization. Septeni Holdings also announced on the same day that it would make Media House Holdings, which operates a web marketing business, a subsidiary.
In manufacturing, distribution and retail, Keisei Electric Railway will make Chiba Nichiishi a subsidiary, while Kourakuen will make Kasyun Shuzo a subsidiary. Restructuring related to the production and sale of alcoholic beverages was also reported. Tachibana Eletech's acquisition of a South Korean semiconductor device business was recorded during the same period. These transactions appear intended to expand business areas and reorganize capital relationships.
On 25 September, GMO Internet transferred its Thai subsidiary engaged in the digital-asset business, Valtes Holdings made Optima, which operates an SES business, a subsidiary, and KYCOM Holdings acquired a software development subsidiary. A series of moves continued, aimed at portfolio restructuring and concentrating resources on growth areas.