How to change GST number of my company?

We're glad to see you here in the Community, accounts@sapphir. Let me share some steps to help you change the GST number for your company.

To enable you to change the GST number, you may follow these steps:

1. On your QBO account, go to Taxes on the left menu.
2. Click Edit GST and choose Edit Settings.
   
   
3. Edit and enter your GSTIN, then click Save.
   
   

Furthermore, you'll want to check this article to learn more about how GST works for business owners like you: How GST impacts QuickBooks users. Also, it includes some frequently asked questions about QuickBooks for GST.

You can always get back to this thread if you have additional questions about GST or any QuickBooks-related concerns. We'll be right here, willing to assist you. Keep safe!