Cleaning, Janitorial and Building Maintenance is the bedrock of Duncan & Sons’. We are locally owned & operated with a 35-year proven track record of serving East TN and greater Knoxville, Tennessee areas. “Relationships are as important to us as the work itself, “both with our Clients and our Staff”. This motto has driven Duncan & Sons’ to be a leading competitor in the Knoxville market.
This company was started 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.