MahlerClean is Wisconsin’s premier commercial cleaning services firm. Since client satisfaction is one of our top priorities, we partner with each client to design a customized cleaning services plan which provides consistent service and a welcoming environment. Founded in 1989, we are locally owned and operated. We have a solid reputation for providing your office, industrial and medical facility with exceptional service for a competitive price. As stewards for over 12 million square feet of daily cleaning and with more than 800 skilled and dedicated team members, our proactive approach to account management sets the standard for cleaning maintenance services in Wisconsin, Minnesota, and Illinois. Our services include: contracted cleaning, floor care, window cleaning, and disinfecting.
Looking for a particular MahlerClean employee's phone or email?
The MahlerClean annual revenue was $174.2 million in 2026.
Patrick Sullivan is the President | Owner (Janitorial, Facility Services, Commercial Cleaning) of MahlerClean.
66 people are employed at MahlerClean.
MahlerClean is based in Brookfield, Wisconsin.
The NAICS codes for MahlerClean are [561990, 5619, 561, 56, 56199].
The SIC codes for MahlerClean are [73, 72].