STAELLIUM - ABOUT US Staellium UK was founded in 2003 to develop wireless applications for the transfer and protection of secure data in mobile handsets.  In December 2005 Staellium launched its first service; the SMS based StealthText messaging system, which immediately attracted widespread attention in the media and across the wireless industry.   In 2008 Staellium is now heavily focused on providing bespoke, high end, closed system, secure mobile messaging solutions to a wide range of private and government organisations.