If you part of a Multi-User License with SurveyAnalytics you can setup the default theme, header, and footer for your organization. All new surveys created under your organization including all sub-accounts will use the global theme, header, and footer
Go to: Login » My Account (top right corner)
In the My Account drop down, click on Organization
Here, click on the Settings button. On the popup, you can update the Theme, Header, Footer, and other settings.No - Only NEW surveys will have the Org Level Header/Footer. Users can still customize that, but the default will be the one that you setup on the Org. Level.
This feature is available with the following licenses :