Serving the Greater Knoxville area
Since 1989!
Cityview Magazine has awarded Duncan & Sons’ the Best of the Best award for the sixth consecutive year, 2018,
2019, 2020, 2021, 2022 & 2023 voted on by our Staff and Clients! Being awarded once is a great honor, five times is the definition of Company Culture.
Cleaning, Janitorial and Building Maintenance is the bedrock of Duncan & Sons’. We are family owned & operated with a 32 year proven track record of serving East TN and greater Knoxville areas. “Relationships are as important to us as the work itself”, says owner and founder Gary Duncan “both with our Clients and our Staff”. This motto has driven Duncan & Sons’ to be a leading competitor in the Knoxville market. Word is out, “for commercial cleaning, janitorial and maintenance, call Duncan & Sons'”
Gary started his company with a mission to provide commercial, educational, and industrial facilities with reliable quality cleaning service at competitive pricing. The commitment we make to our customers and employees is to have HONESTY, INTEGRITY, and a HEART OF SERVICE in all we do.
Contact us today to Get A Quote on your commercial facilty.
