You can edit the VAT number in the Account and Settings and VAT section, jotaxacc-worldon.
Here’s how you can edit your company’s VAT number in the Account and Settings:
- Go to Settings and click Account and settings.

- In the Company section, select the Company name or click the pencil icon.

- Enter the VAT number and click Save.

- Click Done.
Once the Company VAT number is changed, please ensure to set up the same VAT number in the VAT settings.
Here's how:
- Go to VAT on the left panel.
- Click the Edit VAT dropdown and select Edit settings.
- Enter the same VAT number in the VAT Registration No.
- Click Save.
After this, the VAT number on the invoices will automatically change.
You can read this article to learn more about changing your company's information: Change your company name, contact info, or VAT number in QuickBooks Online.
In QuickBooks Online, you can also generate a VAT report to track your VAT returns. Please refer to this article: VAT Detail Report.
Don’t hesitate to reply to this thread if you need further assistance.