Custom-built schedules
Daily, nightly, weekly, or seasonal frequencies matched to your facility traffic.
Janitorial Services
What’s included
Every janitorial services program is scoped to your building, but these are the fundamentals we deliver on every contract.
- Recurring daily or nightly cleaning
- Strip, wax & floor refinishing
- Carpet deep extraction
- Restroom sanitation programs
- Supply management & restocking
- Window & glass maintenance
- Disinfection & COVID-19 protocols
- 24/7 emergency call-out
Janitorial Services
Knoxville & East Tennessee
Why Choose Us
Built for janitorial services
24/7 emergency response
Floods, spills and incidents handled around the clock for contract customers.
Floor care specialists
Strip and wax, buffing, carpet extraction and hard-surface restoration.
Single point of contact
One dedicated account manager who knows your building and answers directly.
Gallery
Janitorial Services in action
Client Reviews
Rated 5 stars by East Tennessee businesses
Danielle R.
We have used National Building Service for our facility for years. Reliable, thorough, and the crew is always professional. The 24/7 response has saved us more than once.
Angela T.
Very happy with the green cleaning approach. Safe products, no harsh chemical smell, and the building still looks and feels genuinely clean.
Fully insured
Certificates on request
Free Quote
Get a free janitorial services quote
Tell us about your building and we will schedule a no-obligation walkthrough, then send a written scope and price — usually within one business day.
Thanks — your request is in. We will call you within one business day.
Other Services
Explore what else we handle
Office Cleaning
Spotless, healthy workspaces cleaned on your schedule — daily, weekly, or after hours.
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Construction Cleaning
Post-construction and rough-clean crews that get new builds handover-ready fast.
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Event Cleaning
Pre-event prep, live event porters, and rapid post-event turnaround crews.
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