Blue Flame Graphic Design taken money but not doing work

Blue Flame Graphic Design CC was paid to do work for us but now is ignoring all calls and correspondence from us, they are a behaving unprofessional and like thieves. They have not finished the design for our business cards, our Trademark is incomplete, our letterhead is in completed, they have not done our email signature and haven't completed our corporate identity guideline, yet they have been paid for all the items listed above. Don't use their services and inform all your colleagues not to use them, The are a company that takes money but does not do the work they promise to do. The directors are Thabang Gladwini Dolo and Neo Desmond Masemola. 562 Schoeman, cnr Hamilton, Maytime no 15, Arcadia, PTA. Enterprise No B ********** 803, www.blueflamedesign.co.za