P. & D. Colnaghi & Co.

Quaglino's is a restaurant in central London which was founded in 1929, closed in 1977, and revived in 1993. From the 1930s through the 1950s, it was popular among the British aristocracy, including the royal family, many of whom were regulars, and was a haunt of London's café society. It offered dinner, music and dancing. In the 1960s, it was sold to a succession of hotel companies, and its reputation faded; it closed in 1977. The name was revived for a new restaurant at the same location in 1993, "aiming to revive the spirit of the original".

Bury Street is a one-way street in St James's, London SW1. It runs roughly north-to-south from Jermyn Street to King Street, and crosses Ryder Street.

Boodle's is a London gentlemen's club, founded in January 1762, at No. 50 Pall Mall, London, by Lord Shelburne, the future Marquess of Lansdowne and Prime Minister of the United Kingdom.

The Sladmore Gallery is a London art dealership with two premises, one at 32 Bruton Place off Berkeley Square (held since its foundation in 1965) and the other established at 57 Jermyn Street in 2007. Its speciality is animalier sculptors (with the Bruton Place premises specialising in contemporary sculptors and Jermyn Street specialising in 19th- and early 20th-century sculptors). Its Directors are Edward Horswell, Nona Horswell and Gerry Farrell.The Gallery has posthumously held exhibitions for Auguste Rodin, Aristide Maillol, Edgar Degas, Rembrandt Bugatti, Prince Paul Troubetzkoy and Antoine-Louis Barye. Living exhibitors at the London premises have included Mark Coreth, Geoffrey Dashwood , Sophie Dickens and Nic Fiddian-Green .The Sladmore Gallery also puts on shows and fairs in New York, Maastricht, Paris and London. The Sladmore Gallery is a member of the British Antique Dealers' Association and the Society of London Art Dealers.

Messum's is an art gallery in Bury Street, St. James's, London, with a branch in Marlow, Buckinghamshire and an associated gallery in Tisbury, Wiltshire.

St James's Street is the principal street in the district of St James's, central London. It runs from Piccadilly downhill to St James's Palace and Pall Mall. The main gatehouse of the Palace is at the southern end of the road; in the 17th century, Clarendon House faced down the street across Piccadilly from the site of what is now Albemarle Street.

Piccadilly Arcade runs between Piccadilly and Jermyn Street in central London. It was opened in 1909, having been designed by Thrale Jell, and is a Grade II listed building.The arcade is composed of twenty-eight shops on the ground floor. The first floor was originally offices, but converted to the Felix Hotel in 1915. The buildings were bombed in 1941 during World War II and not fully restored until 1957.Among the shops in the arcade are the Royal Warrant holder Benson & Clegg, who moved here in 1976 from their previous location in Jermyn Street.A bronze statue of Beau Brummell sits at the Jermyn Street end of the arcade, designed by Irena Sidiecka.

Justerini & Brooks is a fine wine and spirits merchant founded in St. James's in 1749, originally to provide wine and spirits to the aristocratic households of London. The firm has been a supplier to every British monarch since the coronation of King George III in 1761. It sells to private collectors, hotels, and restaurants across the United Kingdom. Justerini & Brooks is owned by multinational Diageo.

The Egyptian Hall in Piccadilly, London, was an exhibition hall built in the ancient Egyptian style in 1812, to the designs of Peter Frederick Robinson. The Hall was a considerable success, with exhibitions of artwork and of Napoleonic era relics. The hall was later used for popular entertainments and lectures, and developed an association with magic and spiritualism, becoming known as "England's Home of Mystery". In 1905, the building was demolished to make way for flats and offices.

The Nine British Art is a private art gallery in St James's, central London, England. The gallery specializes in British art, with a focus on works from the St Ives group and the post-war period.

Brooks's is a gentlemen's club in St James's Street, London. It is one of the oldest and most exclusive gentlemen's clubs in the world.

White's is a gentlemen's club in St James's, London.