Commercial Cleaning Company

Commercial Cleaning Company in Knoxville, TN

For over 35 years, National Building Service Inc. has been keeping businesses throughout Knoxville, TN looking their best with quality janitorial services. Whether you need regular cleaning for your office space or one-time event cleaning, no job is too large or too small. Our cleaning services emphasize the unique demands of each property, and our attention to detail is what makes all the difference. Call to schedule service.
We’re proud to offer 24/7 emergency commercial cleaning services for our regular customers.

Your Eco-Friendly Cleaning Service

As the premier commercial cleaning company in Knoxville, Maryville, Oak Ridge, and Seymour, TN, we know that every commercial space has unique cleaning needs. Whether you operate an industrial facility, a warehouse or a medical building, you can trust the professionals at National Building Service Inc. to leave your space in spotless, sparkling-clean condition from top to bottom.

As an eco-friendly cleaning service in Knoxville, TN, our goal is to get your property looking its best without the use of harmful chemicals or cleaners. It’s why we use green products whenever possible and take care to be considerate of every environment we clean. This ties into our mission to create a better quality of life for everyone who uses your building, with minimal disruptions to your daily operations.

We’re efficient, too! Choose our team whenever you need to get the job done quickly. Every member of our team are professional cleaners who know how to maximize their time and focus their efforts—each clean is completely comprehensive and provides you with a great value for your money.

Hosting a one-time or regular event? Our professional commercial cleaning services get your venue back to normal in no time, allowing you to focus on hosting your event instead of worrying about how you’ll clean it all up. We also offer construction cleanup services, getting your facility in spotless condition after any building construction or renovation. When you need a helping hand to oversee cleanup, we’re just a phone call away.

  • We offer specialized COVID services, keeping your facility safe for daily use.
  • We’re fully insured as a commercial cleaning company, which means you can put your trust in truly professional cleaners.
  • Our team has chemical handling certifications and a focus on sustainable practices.
  • We’re proud members of the U.S. Green Buildings Council.

Serving the Cleaning Needs of Businesses Throughout Knoxville

The team at National Building Service Inc. is dedicated to helping our clients achieve their goals with reliable cleaning services. We’re ready to provide you with a no-obligation quote and/or building inspection. Contact us today to learn more about our eco-friendly cleaning services.

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Proudly offering commercial cleaning services and event pickup to the following areas:




National Building Service Inc. is looking to hire experienced professionals to join our team.

Please contact us to apply today!

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