Dishonest money grabbers

i cancelled my car insurance before the renewal date. I found another company and not long after Endsleigh take money with no permission from my bank for car insurance which I already cancelled . When I called them about this the staff I speak to were very rude and arrogant telling me I did not cancel the insurance , and was I confused maybe I thought I did when I didn't ? I was mocked on the phone and spoke to with a very patronising detached tone of voice. Each time I called them I ended the call being told the car insurance was cancelled . This was a total of 8 calls on 8 separate days . But it wasn't cancelled at all . Each time I continued to call again and again I was told there was no record of the cancellation and I had never ever called them . I have these called logged on my phone bill in black and white. I was also interrogated as to why I wanted to cancel by pushy staff on the phone . I was lied to constantly , made out a liar continuously and stolen from .