Dissatisfaction with the letter from RCS Edgars

i have an account with RCS on behalf of Edgars:- I needed a letter to prove that my account with RCS is not overdue but rather up-to-date. I made my request on 16 November 2022, i was informed that the request takes at least 48 hours. I did the same with Builders Warehouse; indeed with Builders it took 48 hours. For Edgars I'm still waiting despite the follow-ups an then I'm given promise each day. I give up with RCS Edgards im done