some banks even set up subsidiary called private bank to better

serve the clients.  Like Citi Private Bank.
Citi Private Bank, a subsidiary of multinational banking conglomerate Citigroup, markets private banking services for wealthier clients, including entrepreneurs and senior corporate executives. It has 60 offices in 23 countries. To qualify for a Citi Private Bank account, one must have a net worth of at least US$25 million.