A Family-Owned Business Dedicated to Cleanliness and Customer Satisfaction
Duncan & Sons Building Maintenance has proudly served the greater Knoxville area since 1989, offering comprehensive cleaning, janitorial, and building maintenance services. We are a family-owned and operated business, built on the core values of honesty, integrity, and a genuine commitment to service.
Our Mission & Vision
Our mission is to provide the cleanest buildings in the region by being the most reliable, caring, and honest professionals. We understand that a clean environment is essential for the success of both businesses and individuals. We are committed to exceeding your expectations and delivering exceptional service every time.
Janitorial Services
We offer comprehensive janitorial services for offices, schools, healthcare facilities, industrial buildings, and more.
Building Maintenance
From routine inspections to comprehensive facility management, we provide expert assistance with repairs, maintenance, and upgrades.
Residential Services
Keeping your home clean and comfortable is our priority. We offer regular cleaning services tailored to your needs.
Specialized Services
Our specialized services include water damage restoration, upholstery cleaning, and floor care. We are certified and equipped to handle any cleaning challenge.
Our Team
Duncan & Sons is a team of skilled and dedicated professionals who are passionate about providing exceptional service. We invest in comprehensive training and development to ensure our team stays updated on industry best practices.
Why Choose Duncan & Sons?
- Family-owned and operated with a 32-year track record of success
- Unwavering commitment to honesty, integrity, and customer service
- Comprehensive range of services tailored to meet your individual needs
- Experienced and certified team of professionals
- Responsive and reliable service, 24/7 availability
Join Us!
We are always looking for skilled and dedicated individuals to join our team. If you are passionate about delivering exceptional customer service and making a difference in your community, we encourage you to reach out to us.
Overall Review
The reviews are mixed, with some employees having a very positive experience working for Duncan and Sons, while others have had a very negative experience.
Positive Reviews
Some employees have praised their managers, stating that they are supportive, helpful, and go above and beyond to ensure they have the supplies they need. They also appreciate the company's attention to their work and the personal touch they receive. Additionally, some employees have mentioned that the company has a good mission and culture, inspiring people to be their best.
Negative Reviews
On the other hand, some employees have reported negative experiences, including allegations of sexual harassment, poor communication, and unfair termination. Some have mentioned that they were fired without reason, despite having no write-ups, and that the company prioritizes making money over treating their employees well. Others have complained about poor pay, lack of advancement opportunities, and unprofessional management.
Management Issues
Several reviewers have expressed concerns about management, stating that they are unresponsive, unprofessional, and more interested in making money than in treating their employees well. Some have mentioned that their managers were more concerned with avoiding conflict than with resolving issues.
Work Environment
Some reviewers have described the work environment as hostile or toxic, with allegations of sexual harassment and unprofessional behavior. Others have mentioned that they were overworked and underpaid.

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