noun
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.
資産管理のために保全会を設立した。
We established a family corporation for asset management.
保全会を活用することで相続税対策になる場合がある。
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.