Car Concierge Pro provides a car buying service that will take care of all your needs and help you find the perfect car for you. Whether it's a new or used vehicle, we'll provide the best deals around! Car Buying Service: Car Concierge Pro. Are you looking for a car buying service? Then we at Car Concierge Pro will provide the best service across the united states. We offer both new and used cars at affordable prices to suit any budget!