Hi ITCPOLAND,
The customer admin can change the company name from Application Settings -> Custom Display Name
Custom Display Name: This tab allows the administrator to modify or customize the display name of the organization. Complete these steps in order to customize the display name of the organization:
1. Click Edit in the Display Name column. The cursor appears in the name field.
2. Enter the name into the name field.
3. Click Save.
4. Click View in Display Name Change History in order to view the history of the change in display name.
To change the customer's name you need to check with the accounting team for assistance.
Rest details have been shared in Personal message for the reference.
Thank you
Regards,
Aishwarya Bhatnagar