Could you help me with adding one more Company to my account?

You can use the same email address to signup for the second QBO account. Did you encounter any error?

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Good day, n-maurogenis-cos.

I'm glad to show you how to add a second company to your QuickBooks account. @Fiat Lux - ASIA is right that you can use the same email address so you have multiple companies in QuickBooks Online (QBO).

Each company file has its own paid subscription and you access them with the same sign-in info. This lets you quickly switch between companies so you can manage everything more efficiently.

To add a new company, please go to the QuickBooks pricing page and select the subscription plan you want.  This will then open one of these two experiences below.

• If you're signed in to QuickBooks, you’ll be asked to confirm the account you want to sign in with. If the account displayed is the one you want to use for the new company file, select Yes, that’s correct.
• If you haven’t signed in recently, you’ll be asked to create an Intuit account. Don't fill this out unless you want to connect your new company file to a new account. Instead, look for the Adding a company to an existing account? section and select the Sign in link. Sign in with the user ID and password you already use for QuickBooks.
• Follow the on-screen instructions to create a new company file.

QuickBooks asks which company file you want to open every time you sign into your account. To switch between companies when you're in QuickBooks, click Settings ⚙, then Switch company.

If you have multiple companies under separate accounts in QuickBooks Online, you can move them all into one account.

Here are a few simple steps to get our most essential, time-saving features set up.

1. Watch our overview of QBO: Get started in QuickBooks Online.
2. Customize your invoices so you can bill customers.
3. Connect your business bank & credit card accounts so your transactions come into QuickBooks.

Please know that when you connect a bank or credit card account to one company, it isn’t added or visible for a second. You need to connect it separately for each company.

Get back to me if you have additional questions about adding another company to your QuickBooks account. Just leave a comment below and I'll get back to you.