How do I delete a company that hasnt been set up?

You can cancel the account, firehelmet1929. 

A company file that's accidentally created can't be deleted if it's still active. You can cancel it by following these steps:

1. Log in to qbo.intuit.com.
2. Go to the Gear icon and select Account and Settings.
3. Under the Billing & Subscription section, click Cancel subscription under QuickBooks Online.
4. Follow the onscreen instructions until you've successfully canceled the account. 
5. Press F5 on your keyboard to refresh and ensure that you see the Resubscribe option.

You'll have read-only access to the canceled account. It will be available for a year and after that, the system will delete it. However, if you want to change the subscription plan, you can downgrade or upgrade it and then continue setting up the company. 

On the other hand, there are other ways of starting over with a new company file. See Delete your data and start over in QuickBooks Online for more details. 

Keep me posted if there's anything else that you need. Any additional information is much appreciated. Take care!