In order to view or change your company profile follow the instructions below.
1. Click you company name in the top right corner and select Company Settings in the drop down menu.
2. Click on Users, Subscription and Billing.
3. Select Company profile i the menu to the left.
4. Here you can add or change your company logo.
5. You can also add or change the company name. This name will appear on documents. Read more about the documents in tracezilla here.
Yo can read about how to add new users here.