I would rate 0 stars but can t!!

I would rate 0 stars but can t!!
We was originally with Knightsbridge who were amazing no problems at all.!!! Then it got transferred to Creditfix well since then we ve had nothing but problems! We haven t been sent any documents, I have phoned non stop and emailed to sort out my IVA account get put on hold then put through to someone worse then to another person and NO ONE can help!!