asset holding company
A company whose primary purpose is to hold and manage assets such as shares, real estate, or intellectual property. Often used in contexts involving Commonwealth countries, but the term itself is not region-locked.
That asset holding company manages the real estate of the entire group.
Some companies establish asset holding companies in tax havens.
持株会社 is a holding company that controls other companies through stock ownership, while 資産保有会社 focuses on holding assets rather than controlling subsidiaries.
Compound of 資産 (assets) + 保有 (holding) + 会社 (company). A straightforward modern business term.