the worst service

I Have logged a call in May that the back u unit of my business unit is not working, I was then told on every call a technical will get back to me it's a month now still no call back up unit still not working I was debited twice and now their accounts department cannot help me as they cannot see the payment that was debited (the second payment) I would like to move my vehicles to a different secured and more professional company the agents all give different advice and the 1 just hung up the call today