The Concierge at Renaissance Chicago Downtown Hotel
Renaissance Chicago Downtown Hotel's concierge is recommended by those who travel for a living. Out of 7 reviews that we tracked, 2 acknowledged the concierge, like Frommer's and Star Service.
Renaissance Chicago Downtown Hotel 
Frommer's
Star Service
Frommer's "Club-level rooms, located on the top four floors, are half a room larger and have their own concierge and private lounge, where complimentary continental breakfast and evening hors d'oeuvres are served"
Star Service "Guests on Club Levels enjoy secured access, a breakfast and evening cocktail concierge lounge, larger guest rooms and added amenities"
