In the Header section, You will see the logo in the right corner, Click the button. You will get a dropdown, Click My Profile Section.
In My Profile section allows you to keep track of all your Company info. You can manage an account & all its information in a single place. Also, you can manage passwords at any time in this section.
You will see as shown in below :
Enter all your required business info and click on save.
By clicking on the top left corner you can upload your Company logo.
You can click on the link for a video tutorial for changing the VAT ID & TAX ID:
You can click on the link for a video tutorial for my profile changes:
You can click on the link for a video tutorial: