If you are a Hong Kong resident, you can apply for an iFAST Global Bank UK account from Hong Kong. You do not need to be physically in the UK. iFAST Global Bank's Hong Kong-language application page explicitly says that both UK residents and overseas customers can apply online, and that you can apply while in the UK or overseas.
For an overseas applicant, iFAST currently requires:
So if you have a Hong Kong residential address, you should be able to use your Hong Kong address as your residential address, subject to iFAST's verification and acceptance.
What you getThe iFAST Global Bank account is a UK bank account, not a Hong Kong bank account. It is a multi-currency current account supporting:
GBP, HKD, USD, EUR, SGD, CNY, JPY, CHF and AED.
There is currently:
And importantly for you, the current published rate (valid 12 July–14 September 2026) is 2.65% AER on GBP, instant access, although rates can change.