Hi,
Im Sebastian. Im Odoo consultant, living in Mexico, I work with a partner, so both we can help you, You can sendme your report specs, and I work with my partner,, about the Odoo 12 install it´s easy, only need the server access,
I have a questions, what modules, do you need ??
Do you have the server on cloud ?? I mean (amazon web services, Azure)
hope I can help you