Yes. Here is an answer from Alvarez, Intuit Employee:
Yes, you can have more than one QuickBooks Online company (account) with the same email address.
This is the information for signing up for an additional company:
You can have multiple company subscriptions in Quickbooks Online and have as many QuickBooks Online companies as you'd like. Each QuickBook Online company you create requires an additional subscription.
If you are still within your trial period:
If you would like to create a new company, go to our list of products at http://quickbooksonline.intuit.com/finance-accounting-solutions and select which version you wish to start another trial for.
When you are at the startup interview, click Already have an Intuit user ID and sign in with the same credentials you have for your current company. If you want to have two separate sets of credentials, enter a new user ID.
Note: Note: If you plan to import data from a desktop version of QuickBooks, please be aware that this must be done within the first 60 days. For more details and special instructions on importing data, please see:
https://community.intuit.com/articles/1145375.
I hope that helps get the additional company set up.
