noun
joint holding company
A holding company jointly owned by multiple entities, often used in corporate restructuring or joint ventures.
両社は共同持ち株会社を設立し、経営統合を進めた。
The two companies established a joint holding company and proceeded with management integration.
A holding company in general; 共同持ち株会社 specifies joint ownership by multiple parties.
Compound of 共同 (joint) + 持ち株 (stock holding) + 会社 (company).