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 the Map)
3 - Your company's contact information (name, last name...)
4 - Billing address, email and phone number that will appear on quotes / invoices / credit notes
5 - Default email address
You must validate your changes by clicking the "Save" button (6)