Please setup your Contact info, Postal address, Billing address and Company email.
To do this, click "Settings" then "My Account"
Then click the "Edit" button
You can add / edit all information:
1 - Your company name
2 - Company address (important for mapping)
3 - Contact your company information (name, surname etc ...)
4 - Billing address that will appear on quotes / invoices
5 - Default mail address
You must validate your changes by clicking the "Save" button (6)