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IBKR Withdrawals

Any bank like Barclays or HSBC in channel islands if you explain to them what your doing.
 
Did I misunderstand OP. I was understanding he wanted to send money from his IBKR account to a bank account in his name. But the IB transfer will show as IB and not his name to the bank. If not then his out of luck as IB is indeed first party wires only :(.
 
Can IBKR check the owner of an iban number? I think no so you can input a different name but then the bank could deny accepting this transfer
My experience: I had some withdrawals using a different name (different site not IKBR) with Revolut and Wise (small amounts a few hundred - a few k euro) and they were accepted without issues