family corporation; family holding company
A legal entity used to manage and preserve family assets, often for tax or succession purposes. The term is somewhat technical and may not be widely known outside legal or financial contexts.
We established a family corporation for asset management.
Using a family holding company can sometimes be a measure for inheritance tax planning.
Compound of 保全 (preservation) and 会 (association/corporation). The exact historical derivation is uncertain; the term appears to be a modern legal construct.