The big Russian corporations have moved in, but to dodge sanctions they have changed their names and trademarks.
Even if some of their businesses dodge sanctions, the oligarchs who have had to loosen their grip on them are still feeling pain.
According to a May 2010 U.N. report, North Korea has used an elaborate network of shell companies and financial institutions to dodge sanctions and obtain its nuclear technology and know-how.
In Hong Kong, unlike the mainland, investors are protected by a mature legal system and can move money in and out, unimpeded by capital controls.For Russians keen to dodge sanctions, the Chinese-but-not-Chinese character of Hong Kong is also the big draw.
They show how the firm helped clients launder money, dodge sanctions and evade tax.
The files show how Mossack Fonseca clients were able to launder money, dodge sanctions and avoid tax.
The documents, to which the BBC has had access, show how a law firm helped clients launder money, dodge sanctions, and evade tax.
As the two leaders trade threats, reporter Jane Corbin investigates how North Korea has dodged sanctions and thwarted international efforts to stop it becoming a nuclear power.
Eleven million leaked documents showed how Mossack Fonseca clients were able to launder money, dodge sanctions and avoid tax - the law firm says it has operated beyond reproach for 40 years.
There is no doubt that this is going to be an enormous, gigantic, gargantuan deal in months to come as the documents reveal how one firm helped the one percent launder money, dodge sanctions and evade tax with help from accountants, lawyers, banks and trusts.
