I've had a mixed experience with Denver House Cleaning Company | Clean Conscience. Sometimes they do great work, but then once in a while they don't do so well. They're professional in their work, but sometimes they get everything done in too short a time and things get left out. Like one time they were supposed to be there for an hour and a half, but they were there for an hour. So the next time they gave me a free session. They've been okay overall.