commercial janitorial services in billings & laurel.
COVERT Cleaning has been providing commercial janitorial services to south-central Montana businesses since 2003.
call (406) 855-4539
flexible schedules to work around your needs.
same amazing results after each and every visit.


commercial cleaning in the billings & laurel areas.
COVERT Cleaning, Inc. provides south-central Montana with professional, commercial janitorial services.
We take care of all your cleaning needs. We provide janitorial services for all business schedules, customizing to fit your needs. Whether nightly, weekly or monthly, we provide the frequency our clients want and need for their cleaning.
We are trained in using the newest cleaning techniques and equipment to keep your business clean. We provide Green Seal Certified products, as requested, to keep your business Green. We maintain updated SDS sheets in all accounts in order to keep your building GHS compliant with government standards for safety.
COVERT Cleaning partners with other cleaning professionals to provide you with the best service. Our professional partners include; disaster restoration teams, carpet cleaners, hard floor cleaning technicians and window cleaners.

custodial services for local montana businesses.
small businesses
industrial buildings
retail settings
financial institutions
government facilities
medical offices



about covert cleaning of yellowstone county.
COVERT Cleaning has been in operation since 2003 with founders and owners Mardie Spalinger and Renee Studiner.
We are proud to be recognized as a SBA certified women-owned small business. And, as owners, we have realized the value of being “hands on” and continue to work on-site with crews and building inspections.
COVERT Cleaning’s professional affiliations include the Billings Chamber of Commerce and the Laurel Chamber of Commerce. We are proud of the achievements and awards our company has worked hard to be recognized for over the years.
most recent achievements
56strong mentor program
goldman sachs 10,000
laurel’s best of business


we are hiring!
COVERT Cleaning, Inc., is always looking for hardworking, dedicated and fun employees. Flexible hours and competitive pay!
Our employees are our most valuable resource and our retention rate is excellent! We have many crew members with over 5 and even 10 years of service! COVERT Cleaning provides ongoing training for all our employees—we’re always working to find newer and better ways to clean!


