Based from your roadmap, you got your license already from Austria, so you have that doc on your hand I suppose? 95% ready means it's good to go already. If what you are claiming is true, this one might really be a good exchange in the future especially you have low fees.
They'll need more licences than just the austrian one if they need to operate outside just austria. Also the US peeps will need them to register with other organisations so also need to keep that in mind
Yup, crypto is usually counted as a security so it's be a bunch of other places like the SEC and similar European Organisations too who would be interested to have a look at telluria before giving it a go ahead