Settings to forward from one email address to another using G Suite / Google Business Email. This uses the routing facility to perform email forwarding in Google Mail.
In The Admin Section of your Google Business Account
Go to Apps / G Suite / Gmail / Default Routing / Add setting.
Under recipient, input the Email Address to forward from
Scroll down and next to the ‘Also deliver to option‘ check the box and then click on Add.
There enter the Email Address you’d like to forward to
Also select the very last option – Perform this on recognised and non-recognised addresses.
Then click on Save