How can change my company name

I'm here to guide you on how to change your company name in QuickBooks Online, nahidam998-gmail.
 

To change the company name successfully, you must be the Master Administrator of your QuickBooks account.

Here's how:

1. Click the Gear icon at the upper right corner. Then, choose Account and Settings.
2. Select the pencil icon under the Company name section to edit the name.
3. Hit Save and Done to save your changes.

To give you more details and steps on how you can change your business information in QuickBooks Online (QBO), I've added this article for more information: Change your business name, contact info, or EIN in QuickBooks Online.

If you have any other follow-up questions about changing your company's name, let me know by adding a comment below. I'm more than happy to help.