What is the best way to add a parent group to user groups in userfrosting?

I'm new here and this is my first question. First of all I apologize for my poor English. I would like to create an application using userfrosting 0.3.0 where:

• Anyone not registered can create a super group (eg a company)
• At that time an administrator user is created, other than root, but can only read information from the supergroup (administrators can not see other companies)
• Administrators can organize your users inside user-groups, but only root can create groups and modify permissions

I thank you very much for your time.