I've recently moved my email to M365, so SAAS for that.
We're about to start planning our move of file share data to Sharepoint/ODfB - again SAAS.
That leaves me with two items left on-prem - and old EMR I have to keep alive for at least 2 more years and our accounting software.
Additionally, we have a laboratory interface for some of our testing equipment that only runs on Windows Server (legally) so that needs to live somewhere as well.
We'll definitely keep the old EMR on-prem until we retire it.
It looks like we can buy a hosted solution of BusinessWorks if we really want to go that route - it's slow as molasses over a VPN connection pulls all kinds of data down locally - very old school solution. So for good performance I'd assume we'd have to remote into a desktop that's more local to the host of BusinessWorks, driving the price up.
I'd love to move the laboratory software to a tiny 'nix box, lock it down and forget about it - basically only allowing it to talk to a control IP inside my network and the Lab itself, but again, the software is for Windows only. I suppose I can do the same with Windows, but that would require potentially 3 licenses so I don't have to worry about VPNs back to a central server for all three locations.