That means they need to stay in MC for at least 6mo & Dubai for at least 3 mo, correct? In that case they technically have tax residence in both countries, legally speaking? Seem like perfect high end setup, can fly easily as they are not far from each other.Yes - I agree with what @Konstanz mentions and have the real life confirmation from a very few clients living in Monaco and running a FZCO with us in Dubai.
Do they need to pay monthly fee for renting any office/desk in Dubai?