Very high net worth
From ACT Wiki
(VHNW).
A description of a very wealthy individual or family.
There are no universally accepted levels of income, net worth, or liquid assets that define very high net worth.
One definition is individuals or households with more than USD 5 million of liquid - investable - assets, but less than USD 30 million.
The abbreviation "VHNWI" means Very High Net Worth Individual.