The Concierge at Conrad London St. James
Conrad London St. James's concierge is endorsed by those who travel for a living. Out of 5 professionals that we tracked, 2 mentioned the concierge, like Gayot and Oyster.
Conrad London St. James 
Gayot
Oyster
Gayot "Before you arrive, download the free Conrad Concierge app to access local information, order room service and customize your stay directly from your iPhone, iPad or Android"
Oyster "Room service is available 24 hours, and the hotel has a dedicated concierge team"
