Deceased Estate Hell!!

The level of service I have received whilst trying to close off my late fathers estate through Standard Bank has been pathetic. I have spent hours in Branches requesting Bank statements from date of death as well as Title deeds. I get given reference numbers and told that a consultant will call me and days later I have to phone to see what the issue is as I have received zero contact. TITLE DEEDS: One person tells me that I have to go into the branch to request title deeds, I follow instructions, wait 2 hours and the consultant tells me it has to be done via the phone. I get given a reference number, told I'll be called to arrange delivery or collection... 12 days later... not even a call. I call the helpline, get passed around to various departments that cannot assist me and eventually they just drop the call. The Buyer of the property is threatening to withdraw the offer to purchase due to not having the documentation... my hands are tied, Standard Bank is of zero help. Bank Statements: ALL I need is a bank statement of his plus plan account reflecting the balance as at date of death. I have requested this twice at two different branches and have been told that it will be emailed to me within 48 hours.... 12 days later... nothing. I called after 4 days, spoke to a consultant... was told they'd email them to ***. Two days later... repeat the process... I wait again. Friday 11 October... repeat the process after almost 45 minutes on the phone... they will email them to me... lets all laugh together.... NOTHING!!!!!! I have spent over 8 hours in Standard Bank Branches... about 4 hours on the phone and have had ZERO relief! The cherry on top was when I was told that on their system they had a note that there was no Executor when I had submitted all documentation necessary and paid all the accounts in March. Surely my letter of Executorship means I am the executor?? Absolutely shocking and unacceptable especially given the fact that no-one actually has any idea what to do??? Don't bother phoning deceased estates for help... they just tell you to go into the Branch... in the branch they cant assist you... they call deceased estates while you sit and watch them!!! Seriously the most upsetting part of trying to finalize my fathers death and closing up the estate has been Standard Bank and their pathetic service!