[evadne]

I second the recommendation for IBKR which quotes FX rates at market compared to Wise. When the sum is higher, the differences can be drastic.

As long as you run an active trading account with them it should be fine for occasional cash movements.

[lampington]

Agreed, if it's not your primary purpose for having the account then it should be fine. I did a bunch of FX through them not long after opening mine, and they sent me a polite email telling me that I shouldn't do that, which was fair enough. Much better than the "freeze account first, warn later" attitude that many other financial companies seem to have.

Now that I've been investing with them for a while, they don't seem to mind.