Poor pathetic service

I lodged a complaint with FNB complaint department as well as a hello peter complaint in the industry that I am in if you receive a hello peter complaint you resolve it immediately again a week has passed no response from FNB so now i need to know who you should I escalate my complaint to so it can be resolved. How do they expect me to recommend them to new potential clients with thi s pathetic service my complaint no ***NF can someone respond urgently or must I go to the ombudsman next