It is possible for a third party hosting provider to install the software on their server so that cloud access can be established through that hosting provider.
If you are using QuickBooks Desktop, here is a list of Intuit-authorized hosting providers that can host Treasury Software:
Note: Treasury Software must be installed in the same place as QuickBooks for the two software programs to communicate.
[Treasury Software is downloaded and installed locally on your workstation or server; it is not a web-based (SaaS) product.]