No, absolutely not. Under the Motor Vehicle Block Exemption Regulation and the Consumer Rights Act, you have the absolute legal right to choose who repairs your vehicle. Insurance companies frequently try to direct you to their own "approved" contract garages simply because those garages agree to cut costs on labor and materials.
Choosing WJ Blair means your car is repaired to factory standards using genuine parts and expert craftsmanship, rather than an insurer's budget-driven alternative. It’s your car, your choice.