As per your concern I will let you know about Citibank, Global Foreign Currency Account for Singapore region.

Highlights
Access to multiple foreign currency types.

Carry out transactions on different currency types from a single platform.

Convenient way to manage day-to-day transactional needs through Internet Banking, ATM, AVR and CitiPhone Banking.

Benefits
Minimum Initial Deposit Required USD$10,000
Eligibility Criteria Yes Aged 18 and above

Currencies Available 9 Australian Dollar, Canadian Dollar, Euro, Hong Kong Dollar, Japanese Yen, New Zealand Dollar, Sterling Pound, Swiss Franc and US dollar.

Checking facilities Yes, only for USD
Personalized checkbooks are automatically replenished

Free cheque imaging printed on monthly statements for easy monitoring and tracking

Online Banking Yes Pay Anyone online cheque payment service, direct transfer of funds between accounts

Phone Banking Yes CitiPhone Banking and Automated Voice Response

Citibank Debit Card Yes Free Citibank Debit Card with access to over 2 million ATMs as well as millions of merchants worldwide

Address:-
Citibank
8 Marina View
#21-00 Asia Square Tower 1
Singapore 018960