The GM Cars Taxis Experience Starts Here. As a premier Private Hire, Taxi, and Chauffeur Company serving Guildford and the surrounding areas our aim is to provide you with safe, reliable, courteous, and punctual service 24 hours a day. We understand that all our customer’s needs differ, and that’s why we offer a range of different services. Find out more about the services we offer and choose the one the best suited to you or your company.