To change your business name or one of the contact names on your account with Intuit, download the appropriate form, fill it out, and then fax or email the completed form along with any supporting documents to (520) 844-6451 or QBG-CSGroup@intuit.com.
Business Name Change Form
Contact Name Change Form
Customers must send one or more of the following supporting documents:
Business Name Change
Contact Name Change
If this information does not answer your question, you can read discussions and post messages and questions relating to your issue on the Intuit QuickBooks Community site for free.