Systran.co.uk
SYSTRAN have been translating for over 30 years and have become the market leader in providing language translation software products and solutions to home users and business users of any size.
Their translation products range from $99 for their home software to $839 for their premium software, the most advanced translation software available. Put it this way, many US government agencies use the same technology that powers it!
They also provide online and server translation software.