Are you still a US citizen? If not, where? Is your startup registered in the US (i.e. a Delaware LLC)? If not, where? What country/ies are appealing to you to

Are you still a US citizen? If not, where? Is your startup registered in the US (i.e. a Delaware LLC)? If not, where? What country/ies are appealing to you to switch citizenship and registration to, if any, for economical and legal reasons?