Thistle Hotels, part of the UK's second largest hotel group, offers 56 four star hotels throughout Great Britain - 30% more hotels, in fact, than our nearest competitors. Key London properties include the Mount Royal (newly refurbished to the tune of ć15 Million), the Royal Horseguards, and our stunning new banqueting venue at One Whitehall Place. Also included is the Marble Arch, newly refurbished to the tune of approximately £30 Million.