HORRIBLE WORK ETHIC: INABILITY TO DELIVER REFUND

I had an alarm system at my house since 2007, in February 2014 I have since submitted a cancellation as advised by consultant via telephone. Since then Chubb has continue to debit my account regardless, On the 2nd of Decmeber 2014 i decided to contact Chubb and got hold of Regional Christopher Weyers who after going through my case agreed that the account should've terminated the account as the procedure was followed...he then promised to refund all the money owed and ensured that account be terminated. however to my suprise Chubb continued to debit my account up until now, they continue to milk me. i followed through customer care got hold of consultant and assured this will be taken care of, subsequent to several emails Chris Weyers eventually responded to claim the money was supposed to have been released in December 2014, he asked the lady Hermoine to address this, again that never happened. Hermoine gave me a call to claim money will be paid in a week's time from 27th of July again nothing materialised. I honestly need contacts of Managing Director of Chubb to address this with him as i'm owed close to R6000k by Chubb of money that's debited monthly! i have evidence to prove