whitelabel, TSG, Captrader etc are just resale agent, so it's not much difference, just that if directly via IBKR, it has a min transaction fee per month.

what LSE ETFs are you looking at?

Markup exchange rate, additional fees. Price is 3%+ Not 1% for banks.
Whitelabels. If you have USD100K then pure IBKR. Avoid Saxo at all cost.

Even with whitelabels you still deal with interactive broker for everything. Depositing money, buying, selling, customer service  all via interactive broker. You don't even deal with Whitelabels apart from opening account.

I will move if I were you. Of course, I'll only move if my balance is reasonably above $100k because stocks may fall and the balance may fall below $100k again.

The main reason to move is the cheap margin.

Just activated margin on IBKR (Tradestation Global).
From IBKR's website, it says that interest is accrued daily. Meanwhile, Tradestation Global says their margin rates is what IBKR quotes +2.5%.
Haven't bought anything on margin yet but earlier I tried to place an order for EQQQ.MI in EUR when I only had SGD and USD, the order was placed (I cancelled before it was matched).
Will report back when I'm ready to use margin 

You can always change your base currency
Depends on the ETF what currency is it listed as?

Yes. Been doing that for ages.

it's up to you. You choose when you open the account. You can also change it anytime.

SG acc definitely no problem lah... internationally traded currency.

deposit in SGD, then exchange to USD on the platform. Huge difference, huge savings! Don't let your bank do the conversion.
there's nothing to choose! (I think you need to try logging in and play around and see what is available)
You need to go to the web platform, log in and initiate a transfer. This is just to tell them that you WILL do a bank transfer, but you haven't started yet. All the transfer details will be provided.

using these details, log in to your SG internet banking and perform a local FAST transfer.

As for the currency, you can transfer whatever currency available there, regardless of your base currency.
If your base is USD, you can transfer in GBP, SGD, or whatever. It will store in your account until the day you decide to convert.

USD has more regulatory barriers. From my experience, CIMB SG does not allow transfers to IBKR/TSG. Meaning if you transfer MYR to USD via Instarem to your CIMB SG Savings Account (USD), you cannot transfer out to IBKR/TSG and can only transfer to other CIMB SG Savings Account (USD).
First, tell IBKR that you will be transferring funds from your bank. Letting them know the Swift code of the bank and the amount. Swift code should be CIMB SG's. You can get the swift code online. Just Google it.

They will give you IBKR's account number and instructions. Something like this:



When you make the SGD transfer, copy the Payment Reference and put it in your transfer details.

the options are just (a) what currency you want to deposit, (b) ways you could use to transfer (for some currencies, only 1 way).
IBKR doesn't take money automatically from you; they are just letting you know.

.au is the correct website.
If you want to create TSG, make sure you register through TSG before it redirects to IBKR.

What did you send them? You need passport (identity), IC (address) and payslip (if you put fund using salary).

Aiyoo. Put la work in Singapore. Address put la Malaysia. Put according to your IC/bill.

Alternatively use Captrader. They don't mind if you stay in Singapore.