You must have Account Owner permissions to perform these steps.
Click your profile image and select Billing, then on the next page click Invoices.
This will take you to your Invoices page.
In the Invoice details box, click Edit.
Here you can update the company name, address, VAT number and GST number (if applicable). These details will be included in all future invoices we issue for your account.
For information on how to update your payment method, see our How to Update or Delete your Payment Details article.