Choose the commercial cleaning contractor Norcross area businesses trust! Millennial Cleaning Services LLC has over 10 years of commercial cleaning experience. Large enough to handle your most complicated maintenance schedule, yet small enough to offer a personal touch, Millennial Cleaning Services LLC takes pride in delivering quality janitorial services in Norcross and surrounding areas that our customers depend on day in and day out. Millennial Cleaning Services LLC was established after I left an excellent company that thrived on customer service to start a business where we could deliver excellent customer service ourselves.