@bhaugen see docs.coopcloud.tech/operator...
While you can use any provider to get a server or VPS to use with coop-cloud, there's two mentioned in their docs (since they're more closely integrated into the tooling):
- servers.coop is an initiative started by the same people as coop-cloud to setup a cooperative network of hosters, but I'm not sure how operational it is yet
- hetzner is a german company that's common choice among FOSS and fediverse folks