Hello @SuperStar777,
Thank you for providing detailed information about the steps you've performed to fix the issue. Let me help you get back on track with accessing the companies in QuickBooks Online.
Since the error persists after performing the necessary troubleshooting, I recommend contacting our QuickBooks Support Team. One of them will need to take over and check your account in a more secure environment.
They'll be able to view the details and determine if the issue is account related. Our Customer Support Team is available from 6 AM - 6 PM PT (Monday - Friday) and 6 AM - 3 PM PT (Saturday).
Here's how:
- Go to the Help menu at the upper right.
- Choose Contact Us.
- Enter your specific concern in the What can we help you with? box.
- Click Let's talk.
- Select Get a callback or Start a chat.
- Enter your contact information.
- Choose Confirm my call or Send message.
Once fixed, I suggest visiting our video tutorials to effectively manage your QBO account, income, expenses, and banking.
You can also check the article for more details about the user types, like how a user with admin access modifies account access in QuickBooks: Add, delete, or change user access.
Fill me in if you have additional questions about your account in QBO. I'm always here to help. Take care always.