Known as "The Modern Janitorial Service", Assett Commercial Services of Denver, CO has been family owned and operated since 2024. Using a unique combination of professional office cleaning methods, modern technology, and hiring great people, Assett has become one of the most trusted commercial cleaning services in the Denver area. From nightly janitorial services to special project work, you can count on Assett to provide your business with reliable cleaning services. Our mission is to permanently remove your facility cleaning headaches by taking an active partnership approach in the cleaning of your facility. When you work with Assett, you're working with a local owner that's invested in providing you with excellent service.