Within the Shopping Cart you need to make sure you company is up to date and is the information that you want to be passing onto your online customers. In some cases have different contact information may be the right thing to do if you want to give the online customer the contact information to the person that is in charge of the website and not just the store information.
To get to this information navigate to Shopping Cart >> Edit Store
This button will take you to your shopping cart’s store information form that is used on the invoices that are sent to your online shoppers.