Frustrated customer that never got helped

Very unprofessional my Capitec account was closed on Oct last year was never notified the reason of closing it went back and forth to the Galleria branch was never helped in any way. One thing concerning me they never reported why it was closed down even when I submitted the docs they needed never got any response up until today worse part I had an investment plan on that account and it had already matured I really don’t know what to do or where to go about not even pleased about the service I got. Capitec is really not a bank you can trust