Thanks for your interest in using QuickBooks Online (QBO) for your business, john-metalitest-.
To add a new company to your QBO account, you'll need to sign up for a new subscription. Generally, it's one subscription per file. To create a new one, here's how:
Once done, you can switch to different company files. Simply click on the Gear icon, then choose Switch company. It will take you to the company selection screen in which all of your active and cancelled files shows.
For future help, visit the Manage your account page for more insights about managing your QBO account and subscription.
I’m looking forward to your business success in using QuickBooks, john-metalitest-.
Just click the Reply button if you need anything else. I'll gladly help.
One QBO account is for one company file. You can manage branches/divisions by utilizing the Class/Location feature available in QBO Plus. Otherwise you should open a new account.