Adding your custom logo and branding helps your clients recognize that this is your system and who provides this wonderful service (you do).
You can access this page by clicking Company Settings in the dashboard menu, then clicking White Label Settings from the company settings menu...
Then click the tab for Logo & Branding.
Brand Color & Logos
The brand color and logos are used to highlight certain fields and emails making them more personalized to your company.
The brand color and logos form is very straight-forward. To change your brand color, simply click the color box and select your brand's color.
The Company Logo field is used in emails and on your login and registration pages.
The Company Logo Small field is used as the header to the dashboard menu
Finally, the Favicon field is used to replace the favicon in the address bar of your browser.