Sad to see it close, was an easy platform to use.
For those using IB, how is the service like? Does the lack of a physical presence in Singapore make it difficult to contact them? Also, how do you transfer money over?
To the OP. If you are looking at buying US securities from brokers with a local presence, the best seems to be:
1) Thinkorswim. Right now they are having a promotion. "*Offer valid for individuals who respond to the offer and either open and fund a new Individual or Joint account or fund an existing Individual or Joint account with new assets by 31 December, 2015. To receive 25 commission-free online equity, ETF, or option trades, account must be funded with USD$3,500 or more by 31 December, 2015. Transfer fee rebate of up to $100 requires a USD$3,500 transfer from another brokerage firm by 31 December, 2015. Offer is not transferable and not valid for accounts that are on a reduced commission schedule, with internal transfers or with other offers. Qualified commission-free trades will only be applied to online equity, ETF or options orders will be limited to a maximum of 25 and must execute within 60 days of when account is awarded the free trades. All contract, exercise, and assignment fees still apply. Equity commission rates are $0.016 per share subject to a commission minimum of $5.35 and maximum of $10.65. Options commissions are the lesser of $3.15 per contract OR $1.61 per contract plus $10.65. Limit one offer per client. Please allow 3-5 business days for the free trades to be made available and for the qualified transfer fee rebate to post to the account. Account value of the qualifying account must remain equal to, or greater than, the value after the net deposit was made (minus any losses due to trading or market volatility or margin debit balances) for 12 months, or TD Ameritrade Asia may charge the account for the cost of the transfer fee rebate at its sole discretion. TD Ameritrade Asia reserves the right to restrict, amend, or revoke this offer at any time. (Offer Code: ASIA25). " (
link)
2) Standard Chartered