FNB Doesn't respond, terrible customer service!

I have spent over 6 hours in FNB branches, hours on the phone to consultants as well as sent numerous emails to various FNB staff and 4 days later still no luck with my query. I had cleared all of my debt over a year ago with the assistance of an FNB consultant, but have 2 x accounts still showing as open, one as prescribed debt??? I have proof of payment that these accounts were paid up and should have been closed ages ago. After 3 days received a closure letter on one of the accounts with the help of Pinky at FNB Boom st branch, (who has been the only FNB staff member to go out of her way to try assist me) but the official paid up letter from FNB will only be sent to me within 45 working days??? That is rather long to wait for a paid up letter - SHOCKING! The other account that was paid in full and proof of payment had been provided for, as well as previous correspondence and still there is no answers or replies to my emails. I have a list of FNB consultant names who have never rep**** to my emails that I would be happy to name and shame. Furthermore I submitted a complaint via FNB's site, had one phone call from someone who said they'd call me back on the same day once they'd looked into my query (yesterday) and I still haven't had a call back. I am in the process of applying for a bond and this is seriously delaying my application. By the look of the amount of complaints FNB gets on a daily basis I am considering closing both my personal and business accounts and moving elsewhere, after banking with FNB for many years!