Travel in style and comfort Milton Keynes is among the fastest growing cities, in terms of physical size and wealth, in the country; a statement that was no less true when Regency was established in 1986. With this vast economic growth came a plethora of business owners and their clients. However, our founders identified a significant lack of high quality, attentive private chauffeurs and executive car hire companies in Milton Keynes to cater to this influx of wealthy business people.