Annoying Miway, expensive quotations, bad service!!

Miway has been pestering me for months now. They call me day and night, all day long. I asked them politely not to call me but they still do. The first time they called they could not beat my current insurer quotation. They call me for this and ghat competition but want to do quotations. Please leave me alone, you pestering me, you invading my privacy. You call me at work which is disturbing and annoying.