That's the thing with local brokerage firm. https://kclau.com/investment/trade-global-shares/

At least they have improved from 30 SGD "minimum" from the past to 12 SGD in your case today.

As for your question if it is reasonable or not, if you compare with other local brokerage firms it might look reasonable. But if you compare with foreign broker it's way too expensive.

SG brokerage firms charge anywhere from 2-3 SGD per trade with no dividend handling charges.

Transfer-in is usually free for most brokers, it is the transfer-out part that incurs charges. So, in this case, check with HL ebroking the transfer-out charges.

Usually, if the portfolio isn't huge, it's more "profitable" to sell all stocks and buy back in the new brokerage account.