A portal is a website with data that is customized for the individual user. A Customer portal allows you to interact with customers that do not have a license to access your Quick Base data by providing secure, permissions based information you want them to see. Portals provide the opportunity to share files, plan, organize as well as manage activities, tasks and events in a private online environment.
My Experience to date with Data Collaborative is that they are exceptionally well suited to meeting my needs. From the initial assessment to assigning a well informed team, to responding to questions, I have never felt unattended nor unanswered.