I am looking for a nextcloud provider (in France or Germany with a technical / commercial service speaking French or english if possible) offering onlyoffice (the last version will be the best) to a sole owner.
I don’t think there are many 3rd party hosting providers for OnlyOffice (yet?).
Any particular reason it has to be from a single source? Wouldn’t a normal Nextcloud provider plus the official hosted service by the Onlyoffice team work? They are also hosting their service in the EU.