(according to Variety and Deadline Hollywood):

Jun 2006:  We launch the company Trio Shoots for Slingshot
Aug 2006: We start our first film SUGARHOUSE (Variety doesn’t notice)
May 2007:  Sugarhouse  at Cannes Moviehouse boards Sugarhouse
May 2007:  We start work on our second film Brit Thesps take on French
Sep 2007: Aunty comes to stay: BBC Films teams up with Slingshot
Sep 2007:  Arvind is profiled  David’s a true entrepreneur in London
Oct 2007:  We enlist the WWW for film three: MySpace film assembles cast
Aug 2008:  Teenies for film the fourth:  Alex Pettyfer set to be ‘Tormented’
Sep 2008: We strike an output deal: Pathe, Slingshot sign pact
Jan 2009: The pictures get bigger: U.K. races to find next ‘Slumdog’
May 2009: Film the Fifth: Revolver aims at production role
May 2009: We go wide: ‘Tormented’ to see wide release
Jun 2009: Our gang gets bigger: Second Pictures selects candidates
Jul 2009:  We get International: ‘Infidel’ to travel worldwide
Sep 2010: We follow in the Master’s footsteps: ‘Infidel’ producer plans teenage Hitchcock
Jul 2011: We go big budget: Exclusive Media Group attends ‘Wake’
Oct 2011: NBC develops ‘The Infidel’ TV series: NBC developing comedy series version of British film The Infidel starring Omid Djalili