With Google My Business we have a nifty tool called Location Groups, previously known as business accounts. This provides a more secure to manage multiple users across several locations.
To create a location group within your Google My Business follow these steps listed below.
Make sure you are signed into the Gmail account that manages the locations you are wishing to group.
Under Manage locations go to Create location group.
Appropriatly name the Location group under Group name.
Select the location that you want to transfer.
Select a corresponding location group that you had created and click transfer.
Verify that the selected location has been placed in the correct location group.
Adding Users To Your Location Group
Click the Gear Icon to go the settings the page for the new location group.
Click Manage Users
Voila! Add the email of the user you would like to add, click the appropriate permissions. You’ve successfully created a location group. 👏