Note: Only Company Owners, Admins or Billing Admins can view and edit plan & billing settings.
Click 'Settings' in the left hand side bar
Click 'Plan & Billing'
βNote: If you do not see 'Plan & Billing', then you do not have permission as explained aboveClick 'More' to the right of the subscription section
Click 'Manage subscription' in the dropdown menu
Scroll down to billing information
Click 'Update information'
Change the relevant fields and click 'Save'