The Concierge at Hilton Denver City Center
Denver Marriott City Center's concierge is referenced by reviewers writing for major publications. Of the 4 publications that we monitored, 2 mentioned the concierge, including Gayot and Star Service.
Hilton Denver City Center 
Gayot
Star Service
Gayot "While business travelers make up the majority of the clientele, leisure travelers will find their needs met with a knowledgeable concierge, childcare and laundry services"
Star Service "The premium floors add concierge service and Continental breakfast for a modest increase in rates"
