To update your Company Information, such as your Company name or address, click into your Company Settings (Admin > Company Settings).
*Please note: This can only be done by a user with Admin status. A user with Scheduler status does not have access to Company Settings.
Add/edit your company information and then make sure to click the blue Save button at the bottom of the screen.
This page is also where you can update your payment information.
Related articles:
What's the difference between an Admin and a Scheduler?