So as long as you have the lombard/margin loan agreement on your hands, and it's genuine, nobody can freeze your funds - they can merely refuse to have you as a client?
I understand that offshorecorptalk is all about a more holistic, complete approach. But if the above is true, it makes the lombard loan a great first-line defense moat for the rest of the︀ setup.
I was considering Greece myself. Did you buy as a non-resident? Did they ask you for︁ any other information, pay slips, tax payments from back home, etc., or did the loan︂ agreement alone suffice?