Still waiting for a refund

I have used Petport 4 times (2 return journeys) and I can honestly say their admin is **********. I am still waiting for my 2 crate deposits over a month after using them. I have contacted them time and time again. 1st response was that they dont charge a deposit, second time they asked me for my bank details (that was almost 3 weeks ago) and last time they bothered to reply to my emails asking what is happening they said they would refund me within the week....I am still waiting.