The option is not moved, Laura. It is still available in the Gear icon. Let's dive into this concern.
The ability to switch to another company is still available. You can locate it by clicking on the Gear icon, typically found under the PROFILE.

In your case, I recommend performing some basic browser troubleshooting to rule out the possibility of having issues with your browser. Please be aware that browsers accumulate temporary internet files that can affect your browsing experience. Too many internet files can sometimes change how your QBO company behaves, resulting in errors when performing tasks. See the following keyboard shortcuts for suitable browsers to open a private window:
- Google Chrome: Ctrl + Shift + N
- Mozilla Firefox: Ctrl + Shift + P
- Safari: Command + Option + P
If it's now working, check out this article for a step-by-step process to clearing your cache: Clear cache and cookies to fix issues when using QuickBooks Online. If the issue persists, you can use a different supported browser to see if the tab is visible there.
On the other hand, you can export and import files in QBO to manage your business data. Use these links as a guide on how to do so:
I'll be on the lookout for your response if you have further questions about the switch company option or other QBO-related concerns. I'm here to assist in any possible way.