Xubuntu is developed and supported by a quickly growing community. The project is sponsored by Canonical Ltd., a holding company founded by Mark Shuttleworth. Canonical employs the core Ubuntu developers and offers support and consulting services for Ubuntu. More information about Canonical's support offerings can be found on the Canonical website.
Although Canonical does not provide professional consulting services support for Xubuntu at this time, Xubuntu user support is available through the Xubuntu community. Information regarding community support can be found at the Help & Support page of the Xubuntu website.