Rentokil Accounts not reflecting payment

Hi,

I made use of Rentokil a few times over the past three years and the service has been good. The accounts department however are not great. I was asked to pay upfront for a service in Jan of this year. The consultant eventually arrived closer to March and the work was done. I then started receiving statements and bills saying I had not paid. I contacted the branch accounts manager, Penelope Aarendse, who investigated and eventually confirmed the account was not in debt and that their central finance system had not journaled the payment - which she would sort out. It's Nov, and I get a monthly statement that not only continues to say my account is in arrears, but they've now started charging interest on the amount. Penelope has stopped responding to my mails asking how this continues, 11 months later, to still be an issue. Please can someone competent and pleasant call me and help me resolve this - I can forward ALL correspondence and payments.

Thanks Robin, Cape Town