How to add the second or additional company in QuickBooks Online

In QuickBooks Online, it’s only one entity is allowed per subscription. For a second (or additional) entity, you will need to purchase a different subscription. But you can switch between the multiple entities under one user ID. 

Note: There is no option to create multiple companies from one paid subscription in QBO like in QuickBooks Desktop versions.

To add a second (or additional) company in QBO:

You can log on to both with one ID if you do the following:

1. Go to http://quickbooks.intuit.com/pricing
2. Click Buy Now under the version you want.
3. Click “Already have an Intuit account from TurboTax, Mint or Quickbooks? Sign In.” (See screenshot below for “Sign In” link reference)
4. Enter your login information (email address or User ID) and follow the on-screen prompts to set up the second company.

And then to log-in to your account ( http://qbo.intuit.com / ), you will have the option to select your companies.
Once you’re signed in, click the Top Gear icon to Switch Company.