Can I ask if I want to start buying valued stocks like Google stocks where should I buy it from, and through which recommended broker?

Yes, You could do that by UOB K H,

other recommendable (= low transaction fees) are

FSMOne and POEMS (prepaid account).

However since single stock investing is inferior to passive ETF indexing (as to research time spent, low diversification risk, empiric data that evidence ETFs to have a better performance) maybe better so:

https://seedly.sg/questions/what-is-your-genera...