Square images work best! If you have a Twitter icon, those are great. Just download your Twitter icon and upload that to Visible!
To change your company logo you will want to start in the desired entity. From here you will need to click on the gear icon in the bottom left of your screen. Next, click the Company profile tab. From here you will be able to change your logo then click Save profile. An example is shown below:
Click on Gear icon
Click on company profile tab
Upload a new logo and click Save profile
Please let us know if you have any additional questions!