Rpm body shop They working without letting insurance know. Kissimmee Florida

They were suppose to fix my car after a rear end accident. Well first they took 4 days after he say it was going to be 2 weeks then i didnt pick up my car at the shop. they drove my car to the rental place signature rental car one of their customer crash my car. Well my car wasn't completely fixed paint doesn't match the car, the bumper is bigger then my car.

I went back and the owner of the shop told me we did the job the other owner feom signature rent a car told him to do because he was paying out of his pocket. With him he goes under the table not true insurance. I'm still so mad, if anyone knows anything else i can do. The shop doesnt want to give me a receipt.