And i’m going ahead by ombudsman... you think that ombudsman can help us?
I have no idea why they blocked your account firstly as that is important to know. Is it general money laundering related, sanction violation related, terrorism financing related or use of a VPN etc?
1 month is nothing in reality when bureaucracy is involved. Ask Iran who have had assets frozen for decades in certain countries not including nearly £1bn in UK frozen since 2010 they claim is wrongfully frozen.