Danish cities drop Microsoft over Trump policies and financial concerns
thelocal.dk
thelocal.dk
I'd always recommend LibreOffice.
Maybe Hetzner for the storage and OpenOffice for the software?
https://blog.documentfoundation.org/blog/2020/10/12/open-let...
The "Microsoft Alternative" does not exist, despite the EU distributing billions into small companies and open source projects.
Bureocratic institutions go to Microsoft because you can get a great all in one package, on top of which you can install your custom stuff. There is no actual replacement for that basis, you can't even buy it. At best you get the pieces someone else has thrown together.