As a new trader, which online brokerage company should I put my funds in?

I guess depends on what u want to trade. City index CFD and forex. $500 min initial cap. but $500 really not much u can trade.

Lim and Tan for local shares, CFD, bursa, shanghai connect shares, no starting cap.

others idk.

why not u try some of their demo account first? feel how is it like to use their interface.