Ensure that the insurance company with which you directly or through an insurance agent (broker, insurance representative) conclude an insurance contract has a state license of the established form. Study the ratings of insurance companies. They are regularly published in periodicals. Knowing the rating will allow you, based on the opinion of qualified experts, to decide for yourself about the choice of insurer. I can recommend
https://sundaysinsurance.co.uk/ if you use a bicycle in addition to your car.