i need help in purchasing new licence for my current observium professional

Hi team,

i had purchased observium professional licence for trial. Now my company SAP wants to buy enterprise edition licence. Hence i want your help me few things.

1. Can i add enterprise edition license in my professional licensed setup and will be able able to do the transition without disturbing any of my present settings and device added.
2. My company finance team want to communicate with you and buy enterprise license. So i need your email and phone contact.