NEW YORK (Reuters) – Goldman Sachs Group Inc is expanding a financial advisory service for top executives to target millions of other affluent employees at some of the biggest U.S. companies, as it seeks to build its retail and wealth management businesses.

FILE PHOTO: The logo of Dow Jones Industrial Average stock market index listed company Goldman Sachs (GS) is seen on the clothing of a trader working at the Goldman Sachs stall on the floor of the New York Stock Exchange, United States April 16, 2012. REUTERS/Brendan McDermid

Goldman’s Ayco unit provides high-end tax and wealth advice to top executives at some 400 companies, including 60 Fortune 100 companies. According to the bank’s estimates these firms employ at least 8 million people and Goldman now