Hi accounting-floor,
Making sure the correct name is assigned to what you send out is imperative for your customers to know where its coming from. I can help go over this with you.
QuickBooks Online makes changing the information in your account easy by following a few simple steps. In order to change the company name on anything you send our or the email you send it from you can follow the steps in this article.
If you need to change the information on an invoice, estimate or sales receipt you made you can do so by following the steps here.
Have a great day!