Just go to tapinspect.com and log in with the same email and password you use with Tap Inspect on your device. After you log in, click the tab labeled Settings in the top, right side of the screen and then on Contact Information.
From there you can upload your logo in almost any graphic format (jpg, gif, png, etc). Your logo will be sent to your device and automatically loaded into all of your reports.
Take a look at How to Personalize and Brand Your Reports for more details.
If you have any problems, just e-mail us your logo and we'll be happy to take care of it for you.