You can create or add multiple companies under your QuickBooks Online account. One account is a separate paid subscription. You can also access them using the same credentials. Let's get you started.
Here's how you can add a new company:
Visit our website, and select the plan you want to subscribe.
Click Adding a company to an existing account, then select Sign in.
Enter your credentials.
Once you've added it to your account, you can easily switch between companies anytime. Just click the Gear icon, then select Switch Company.