Just follow these simple steps to grant access to your Google Plus Page:Step 1: Login to Your Google Plus Page. Select “Pages” tab on the left hand side drop down menu.
Step 2: This will open up list of all the pages maintained by you. Just select the particular page for which you want to grant access. Select “Manage this Page” Button.
Step 3: Now, select “Settings” option from the top right corner drop down menu.
Step 4: Select “Managers” from the Top Menu.
Step 5: Now, click on the “Add Managers” tab on the top right hand side. Enter the email address of the person whom you wish to grant access to your Google Plus Page.