Moving to and living in a foreign country is a really great learning experience, but don't kid yourself - the sheer amount of bureaucracy involved in these entrepreneur-importing schemes plus the overhead of adapting to a new culture make them a net negative for any business you're starting. Go if you want the adventure, but if you're really passionate about something you're working on, I'd recommend staying in place…
Bureaucracy can be dealt with by hiring a specialist legal firm. It sounds really expensive, but in many cases it's not - it's in 10-20K range, which is comparable to what it costs to move an established household from US/Canada to Europe. One can of course sell everything, move with just a backpack and do it frugally by trying to deal with all the formalities themselves, but that's certainly is taxing if you are ove…
Red tape that would not be more than an annoyance to an existing company kills off new companies. Maybe to an individual with decades of entrepreneurship 10-20k for a lawyer to handle stuff and make decisions about things he doesn't understand is fine, but to an average joe thinking about starting a business that represents a year or more of savings.