To display the company's VAT number on your invoices, you'll need to set them up in your QuickBooks Online account and enter the Registration Number.
Here are the steps to complete the process:
On the left panel, click on VAT.
Select on Set up VAT.
From the Set up VAT page, choose the Start of VAT period (the date that you became a VAT registered), Filing frequency, Reporting method, and your VAT Registration No..
Hit on Next.
Press on Got it.
To enter the VAT Registration Number:
Click the Gear icon at the upper right corner and choose Account and Settings.
From the Company section, click the pencil icon to edit.
Enter your VAT Registration Number in the VAT# field.
Tap on Save.
Additionally, you can customise your template on which details appear on your invoices. I'll be sharing with you the following resources below. These will provide you more details on how to manage and utilise your VAT rates and charges in QuickBooks Online: