You can you your branding in the project made with WebHMI. There are 2 places where you can put you logo:

Login page:

Side panel:

The respective images can be chosen on the branding setup page:

• Big logo - the logo on the login page
• Small logo - the logo in the side bar
• Text instead of logo - this text will substitute logos
• System name - this name will be added to the browsers tab title