Does core shell premium allow you share profiles among team members if they all have premium?
Yes.
Core Shell's premium supports sync over a folder. So you can create a folder on any cloud drive (iCloud Drive, Dropbox, Resilio Sync) or remote drive that shared among team members, all members change their sync type to "Folder", and point to that shared folder.
You can rest assured that no sensitive information (passwords, private keys, etc.) will be synced, only vanilla profiles.
Let me know if you need any assistance.
Yang