Unresolved Issue

My geasar leaked water, Standard bank was called 2 months down the line the contractors was sent out to come and fix all damage to house inside,will fixing inside they spilt paint all over all the kitchen appliances,i complained and was told it will be cleaned , i arrived home that night to find my stove door broken,i complaint again and i was told after speaking to Standard bank and the contractor numerious times that i need to prove that the contractor broke the stove.After lodging a complaint with standard bank i was told by Thabo that i need to prove it again i asked him how do i prove my inocinse in court he could not answer.On the week of 25 May to 29 May i have made more that 10 phone calls trying to get hold of all the people i spoke to and they are in meetings all the time . What to do with bad service of Standard Bank im even moving all my bussines to another bank