Fortnum & Mason (colloquially often shortened to just Fortnum's) is an upmarket department store in Piccadilly, London, with additional stores at The Royal Exchange, St Pancras railway station, Heathrow Airport in London and K11 Musea in Hong Kong, as well as various stockists worldwide. Its headquarters are located at 181 Piccadilly, where it was established in 1707 by William Fortnum and Hugh Mason. Today, it is privately owned by Wittington Investments Limited.Founded as a grocery store, Fortnum's reputation was built on supplying quality food, and saw rapid growth throughout the Victorian era. Although Fortnum's developed into a department store, it continues to focus on stocking a variety of exotic, speciality and also 'basic' provisions.The store has since opened several other departments, such as the gentlemen's department on the first floor. It also contains a tea shop and several restaurants.