Via the billing information you can change company information like your address, VAT number, contact information, and also the email address where you want to receive your invoices on.
- log into your partner portal via https://secure.nomadesk.com/partner/
- at the right corner of the screen, click on your account and go to Billing Information
- this will open the Company Information window where you can change the details, don't forget to click Save when you're done