As a company administrator, you'll have access to various company setup options. To access this area click on the account icon and then choose "Settings". In this area you can add basic info like company name, support email, and disclaimers.
Basic Info: Here you can update your company name, description, and even add an email address where users can contact you for help. You can even require and email confirmation after a new user signs up.
Website Disclaimers Messages: This is a helpful site wide message that can be customized to give further instruction, context, or help to participants. In addition, you can add legal information such as “This application is intended for [insert company name] employees only”.
Free free to fill a few of these out. You can always change them later.