Sir Philip Green 65
Controversial clothing tycoon, pictured above with son Brandon, 24, who was also at the gala. Former boss of high street retailer BHS spends much of his time in Monaco on his £100million yacht.
Peter Jones, 51
The last of the original line-up of investors on BBC’s Dragons’ Den series, the entrepreneur has an estimated wealth of £475million.
Gino D’Acampo, 41
The Italian-born celebrity chef and restaurant chain owner won I’m a Celebrity Get Me Out of Here in 2009.
Dr Yannis Alexandrides, 51
Surgeon, pictured above, founded Harley Street clinic specialising in plastic surgery. Lives in £6million home in Chelsea.
Jay Rutland, 36
The husband of Tamara Ecclestone, with whom he shares a £50million mansion in Kensington, London.
David Sullivan, 68
The adult entertainment tycoon is also joint chairman of West Ham FC.
Jimmy Tarbuck, 77
Veteran Liverpool-born comedian and entertainer hosted a string of game shows in the 70s, 80s and 90s including Winner takes All.
nathan sugar, 24
Grandson of business tycoon and star of The Apprentice Lord Alan Sugar.
Lord Dalmeny, 50
Old Etonian and Cambridge graduate is deputy chairman of leading auction house Sotheby’s UK.
Brett Palos, 43
Stepson of former BHS owner Philip Green who works as a property developer and owns £18million London mansion.
Johan Eliasch, 56
Billionaire boss of the Head tennis racket and sportsgear group and former deputy treasurer of the Conservative Party.
Professor Sir Christopher Evans, 60
Married father of four is the wealthy founder of Merlin and Excalibur investment funds.
Prof George Holmes, 56
Vice Chancellor of Bolton University.
Viscount Weymouth, 43
Heir to the Longleat estate has interests in tourism, property and financial services. First member of the British aristocracy to have a baby born by surrogacy.
David Walliams, 46
Actor and comedian behind shows such as Little Britain is now author of a string of acclaimed children’s books.
jimmy lahoud, 67
London-based Lebanese businessman, restaurateur and art collector.
harvey soning, 72
Multi-millionaire property developer renewed his marriage vows in 2003 with a surprise visit to the Elvis Chapel in Las Vegas.
guy sangster, 56
Leading racehorse owner and breeder who has branched out into gastropubs.
Vernon Kay, 43
TV host and former Radio 1 presenter, pictured left, is married to Strictly Come Dancing host Tess Daly.
Henry Wyndham, 64
Former chairman of Sotheby’s Europe was once accidentally shot in the face during a grouse shoot but was reportedly saved by his thick-rimmed glasses.
Nadhim Zahawi, 50
Married father of three is Tory MP for Stratford-on-Avon and the minister for children and families.
Theo Paphitis, 58
Cypriot-born British retail magnate and former star of BBC’s Dragons’ Den, pictured left.
David Meller, 59
The Tory donor is one of the chairmen of the Presidents Club charitable trust. Has Interests in family luxury homeware and beauty.
Bruce Ritchie, 52
Property developer and one of the chairmen of the Presidents Club charitable trust.
Lord Mendelsohn, 51
Lobbyist, pictured above, created a life peer who became embroiled in Labour’s secret donations scandal in 2007.
richard caring, 67
Owns restaurants and clubs including The Ivy, Le Caprice, Scott’s and Annabel’s. Worth an estimated £510 million.
Tim steiner, 48
Boss of online groceries delivery company Ocado, above, lives with Polish model Patrycja Pyka, 27, after separating from his wife.
Robert Tchenguiz, 57
Iranian property developer whose sister Lisa appeared in BBC2 documentary The Millionaires’ Ex-wives Club.
None of these people has been accused of any wrongdoing and it is unclear which of them were present on the night.