A few famous names which you may recall from the past:

Aubergine
Chewton Glen
Claridge’s
Gordon Ramsay at Claridge's
Grosvenor House
The Groucho Club
The Halkin
Langham Hotel London
Le Manoir au Quat’ Saisons
Mayfair Intercontinental
Le Meridien Piccadilly
Mirabelle
The Oak Room Marco Pierre White
Pharmacy
The Restaurant Marco Pierre White
The Ritz
St Martin’s Lane
La Tante Claire
Tom Aikens
Wheeler's
Hibiscus