A Brand account is useful to create a google+ and YouTube site for a “Brand”. It allows users to add owners, editors, etc and is not tied to only one individual. It is created by a single user, however, multiple owners can be added.
https://support.google.com/accounts/answer/7001996?visit_id=1-636597388225477678-2496254344&p=brand_accounts&hl=en&rd=1