The Branding section of the Location Builder (BPro Settings), allows you to update your system colour, logo, and banner. The system colour and logo will appear on your invoice templates.
Visit, Customize> Location Builder> Branding
You can change your system colour by selecting one of the available theme colours.
You can upload your logo
You can upload you banner (Recommended size: 1600 × 160 px)
Be sure to click Save at the bottom of the page.