Earlier quoted context omitted.
So I foreshadowed this already but Americans can't have passive holding companies and expect to avoid US tax. (Holding company implies passive property ownership.) 1960s era Congress already created CFC, PFIC, FBSCI, FBHCI laws which ensures that compliant Americans can't have passive offshore companies to defer taxes indefinitely. You looked like you were on to an original idea but your grandparents already thought…
I didn't say it would be easy :-) Which is good in that it creates a nice moat around others entering the space. The question I would throw out to a tax lawyer that was operating at the level of Appleby would be this, "What set of relationships, companies, and structure would be necessary for a US person to shield all of their US tax exposure while living in the US?" Then I would ask my MBA friend, can we create such…
A non-US citizen could set up a corporation in a zero tax jurisdiction and allow partners to come in and keep diluting their share as long as it remains over 50% .... or a few other stipulations when it got over a certain number of members. but then adding additional property to this gets murky, and the non-US majority beneficiary has claims on the direction of all the property.
If you are functionally able to control it then then US courts will undermine it anyway and levy a big tax bill on you.