Serving the Greater Knoxville area Since 1989!
Knoxville's trusted partner for professional commercial cleaning solutions.
Choose an Award-Winning Commercial Cleaning Company for Your Facility!
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 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.
Contact us today to Request a Quote on your commercial facility.
Our Services
Janitorial Services
The cornerstone of Duncan & Sons’ Building Maintenance is our janitorial services. Are you looking for someone to come to your office for a few hours once a week? Do you need a crew for several hours several days a week? Maybe you need a full-time day porter or someone that is there even on weekends and holidays….whatever your needs are, Duncan & Sons’ is sure to meet those needs.
Building Maintenance
A well-maintained facility is essential for preventing minor issues from escalating and boosting productivity. We tailor building maintenance services to your specific needs, creating a plan that fits your schedule, allowing you to focus on your business while we handle its upkeep.
Floor Care
First impressions either add to or take away from your customer’s experience. Your floors literally are your business’ foundation. Let us help you start off with a positive first impression.
Customer Reviews
Tyler H
"Duncan & Son's is an amazing company and they pride themselves in the quality of their work and I appreciate the work they do because they do it well!!"
Sterling G
"A great company to work for and with! Honest people, hardworking and genuinely want to serve. 10/10 recommend"
Tiffany G.
"This is a awesome place of business great people very nice a helpful. If your I'm need of a good cleaning or job this is the place to go."
Gold Winner: Cleaning Service – Office
Each year CITYVIEW Magazine announces Knoxville’s Best of the Best awards. We are thrilled to have earned this award for the seventh consecutive year as voted by our Staff and Clients.
After three decades, we are proud to continue to lead the charge in service to the Knoxville community and beyond
