Personalize your study by showing your subjects your logo when they fill out their questionnaires and your company name when they receive an SMS.
Enable this feature in the study builder in the "add-ons" window
Add a direct link to an image e.g.: https://assets.website-files.com/5ebe569b462b76fba3ad5095/5ec0127e9598bc235bd33c7a_Logo-big-fullcolor.png to have the image shown within the study and on any subject questionnaire.
The default sender for SMS and email is "SMART-TRIAL", which you can change using white labeling.