You can make a view key which gives your client read only access to the projects you assign on a white label site https://serpreports.com.

Just click on the "settings" menu and then the "access" tab. Here you can create a new view key and assign project to it.

Once created simply select the projects you wish to allow the key to view.

Once set up, you can then visit https://serpreports.com to use the view key.