To add a business address do this in User Profile settings (User Profile > Locations)
Start by adding your business location by pressing the green + button.
This will open the Create location Screen where you need to add a location name (Think of it like a Title) e.g. OFFICE or SALON 1 and also add the actual address of where it is.
At the bottom select if you want this location to be shown in your online booking options for your clients to see you at that address.
Select the option to add it as your billing address by clicking ON/OFF.
Press the Save button and the location will be saved into your list of your locations.
Add as many locations as you need to for your work.
If at some point in the future you would like to Archive a Location because it's no longer being used, you can easily move it to the Archive Tab to streamline your Location area to show only current locations that are active.
Click here to read more on how to do this.