***** in my account!!!!!!

I have been a customer of standard bank for years now.I have a business account as well as a personal account as well as a standard bank home loan.I have tried on numerous occasion to try to report ***** on my account but absolute no help.I keep on being put to all different departments which does not help to investigate my matter.I need a investigation into my accounts with immediate effect as there are money disappearing out of my accounts,withdrawals which i have not made!I need someone from standard bank to please investigate my statements from the beginning of the year up until now as my statements just does not look right.