Scale is crucial in the wealth-management business, but it needs to be the right kind of scale. Managing money for the rich is today’s golden goose in banking, because it generates stable fees ...

The chief of Wilmington Trust’s $80 billion wealth management unit says the business is about much more than investing.

Wealth management services cater to affluent individuals for comprehensive financial needs. Minimum assets for such firms typically start around $500,000 with services scaled by net worth.