Existing users, 
Softpress Systems, with its headquarters in Oxford, England, was founded in 1993 to address the emerging needs of professional publishers and designers for cross-media authoring tools.
Softpress Systems
Company Info
http://www.softpress.com/
+44 (0) 1993882588
First Floor, 25 Hanborough House Hanborough Business Park
Witney,
Technical and Customer Support Info
Technical Support:
http://www.softpress.com/support
+44 (0) 1993882588
support@softpress.com
Customer Support:
Developer: Update Info
