COMPANY VAT NUMBER NOT APPEARING ON INVOICE

I'll help you add the information, userebead.

Let's make sure that the VAT number is entered by following these steps: 

1. Go to Taxes > VAT.
2. Click the Edit VAT drop down menu and select Edit Settings.
3. Enter the VAT registration number.
4. Hit Save.

Please see this sample screenshot for a visual guide:

Once done, open the invoice and make sure to select a VAT. Press the Print and Preview link located at the bottom and you'll see the VAT number.

Here's a sample screenshot:

You can read this article for more information about VAT: VAT Feature Update FAQ.

If you need help with other task in QuickBooks, you can visit our general help topics page to view the articles and guides. 

Please keep me posted here if there's anything else you need with your QuickBooks Online account. I'm always here to help. Take care!