You want to receive money from 3rd parties to your accounts and manage it? I mean why clients send you money directly?
Why did you mention crypto?
Need more explanation of what you are trying to setup
Maybe I could help with an advice
I would add Bali for rentals or constructing and reselling
I would add Valencia in Europe
Rent or flipping
Finally they have a new law in Spain against okupas which implements on 3rd of April this year