You may not want to / cannot administer your google+ or business listing on your own, so you need some help.
Here is how to add another user to your business listing in Google.
- Login to http://business.google.com
- Hit Manage Location of Manage Page
- Top left menu – Managers
- Enter the email address of the managers you want.
- Those people must have a Google+ Account
SixFive is a Google for Work Partner, with Certified Deployment Specialists and Administrators on hand to help https://www.sixfive.com.au/google-apps/