I removed your screenshot since it shows your email address, PHOTOGRAPHER IN.
With regards to your question, we aren't able to merge accounts or transfer data from one account to another. Our most viable option is to import your customers, suppliers, chart of accounts, and products and services list from the old account. This article will guide you to import them in: Export Then Import List Data Into QuickBooks Online.
Paychecks, bills, invoices, and other types of transactions can be re-created to make sure your records are correct. You might also want to enter them as journal entries so you can lump sum the amounts.
You can also look for third-party applications that offer exporting/importing transactions between QBO companies. You can find them here: https://apps.intuit.com.
I'm just around the corner if you need anything else. Thanks for dropping by.