Earlier quoted context omitted.
You will have to be very very careful about making Estonia the real physical center of the commercial activities deployed by your company. If you don't - let's say you're Dutch, living in Holland and consulting mostly for Dutch clients, then forget it. But let's say you're Dutch, you have a girlfriend in Estonia, you work from there a week every month, and you have clients in several EU countries, with NL only one of…
Can you elaborate on why exactly that would be a problem?
Whether a company is considered to be CFC depends on many factors such as double taxation treaties between the two countries, the amount of shares you own and the level of taxation in the offshore country.