I appreciate you sharing a screenshot, YL_98. Your concern about the company switch option not appearing is understandable. I know how crucial this feature is for managing multiple companies efficiently in QuickBooks Online.

The investigation (INV-111435) mentioned by my colleague above is still ongoing. Our product engineering team is actively looking into the issue and working hard to find a solution.

If you still haven't reached our support team, I recommend contacting them so you can get an email update on the progress and be added to the list of affected users.

 
Here are the steps you can follow: 

1. Head over to the Help menu. Press the Search tab.
2. Click Contact Us.
3. Choose a specific topic. Type in a short description in the box provided.
4. Hit Continue, then pick the Chat or Callback option.
    

In the meantime, I suggest logging out and back in to choose your preferred company

Moreover, here are some informative resources you can check out to help you manage your company settings and accounts effectively in QuickBooks Online:

• Edit company settings.
• Change your company name, contact info, or Business ID No.
• Update or change your Intuit Account sign-in information.

We recognize the inconvenience this may cause and sincerely appreciate your patience as we resolve the issue. Your comfort and satisfaction are my top priorities. I'm on standby to assist if you need me, YL_98.