London Institute for Mathematical Sciences

Asprey International Limited, formerly Asprey & Garrard Limited, is a United Kingdom-based designer, manufacturer and retailer of jewellery, silverware, home goods, leather goods, timepieces and a retailer of books. Asprey's flagship retail store is located on Bruton Street, Mayfair in London, United Kingdom. Asprey has supplied crowns, coronets and sceptres for royal families around the world and, as of 2013, holds a Royal Warrant from the Prince of Wales. From 1996 to 1998, Asprey held a partnership with Ferrari's Formula 1 team.

The Royal Institution of Great Britain (often the Royal Institution, abbreviated Ri or RI) is an organisation for scientific education and research, based in the City of Westminster. It was founded in 1799 by the leading British scientists of the age, including Henry Cavendish and its first president, George Finch. Its foundational principles were diffusing the knowledge of, and facilitating the general introduction of useful mechanical inventions and improvements, as well as enhancing the application of science to the common purposes of life (including through teaching, courses of philosophical lectures, and experiments). Much of the Institution's initial funding and the initial proposal for its founding were given by the Society for Bettering the Conditions and Improving the Comforts of the Poor, under the guidance of philanthropist Sir Thomas Bernard and American-born British scientist Sir Benjamin Thompson, Count Rumford. Since its founding it has been based at 21 Albemarle Street in Mayfair. Its Royal Charter was granted in 1800.

Oswald's is a private members club at 25 Albemarle Street in London's Mayfair district. It was established by Robin Birley in 2017.

Garrard & Co. Limited, formerly Asprey & Garrard Limited, designs and manufactures luxury jewellery and silver. George Wickes founded Garrard in London in 1735 and the brand is headquartered at Albemarle Street in Mayfair, London. Garrard also has a presence in a number of other locations globally. Garrard was the first official and most notably important Crown Jeweller of the United Kingdom having supplied jewels for Queen Victoria herself, and is charged with the upkeep of the British Crown Jewels, from 1843 to 2007, and was responsible for the creation of many tiaras and jewels still worn by the British royal family today. As well as jewellery, Garrard is known for having created some of the world's most illustrious sporting trophies, including the Americas Cup, the ICC Cricket World Cup Trophy and a number of trophies for Royal Ascot in its role as Official Trophies and Silverware Supplier, which originally dates back to the first Gold Cup in 1842.

Wartski is a British family firm of antique dealers specialising in Russian works of art; particularly those by Carl Fabergé, fine jewellery and silver. Founded in North Wales in 1865, the business is located at 60 St James's Street, London, SW1. The company holds royal appointments as jewellers to the Queen and the Prince of Wales.

Brown's Hotel is a luxury hotel in Mayfair, London, established in 1837 and owned by Rocco Forte Hotels since 3 July 2003. It is considered one of London's oldest existing hotels.

The House of Finnigans was a British luxury luggage and trunk maker established in 1830, originally in Manchester and later in New Bond Street in London. The House of Finnigans manufactured and produced a wide range of luxury products, including trunks, bags, fashion, jewelry, timepieces, and silverware.

Albemarle Street is a street in Mayfair in central London, off Piccadilly. It has historic associations with Lord Byron, whose publisher John Murray was based here, and Oscar Wilde, a member of the Albemarle Club, where an insult he received led to his suing for libel and to his eventual imprisonment. It is also known for its art galleries and the Brown's Hotel is located at 33 Albemarle Street.

The Albemarle Club was a private members' club at 13 Albemarle Street, London, founded in 1874 and open to both men and women. It closed in 1941.

Eskenazi is a London dealer in Chinese art and artifacts run by Giuseppe Eskenazi that opened in 1960 and moved to the current Mayfair gallery in 1993.

Chanel ( shə-NEL, French: [ʃanɛl] (listen)) is a French luxury fashion house founded in 1910 by Coco Chanel in Paris. Chanel specializes in women's ready-to-wear, luxury goods, and accessories and licenses its name and branding to Luxottica for eyewear. Chanel is well known for its No. 5 perfume and "Chanel Suit". Chanel is credited for revolutionizing haute couture and ready-to-wear by replacing structured, corseted silhouettes with more functional garments that women still found flattering.

Waddington Custot is a London-based art gallery specialising in modern and contemporary art. Formerly known as Waddington Galleries, it has been situated on Mayfair’s Cork Street since 1958.