Commercial cleaning and disinfection. Done right.

Forward-thinking, evidence-based approaches. Top-tier technology. And customer service that rivals 5-star hotels. This is who we are. From corporate headquarters to large manufacturing plants and health care clinics, we deliver industry expertise necessary to keep your facility clean and safe.

With six decades of experience in our back pocket, we’ve fine-tuned our cleaning and disinfecting services to ensure you get the results and attention you expect.

Our Core Values


If we say we’ll do it, we do it. That simple.


We stand by each other. At every turn, every challenge we stick together.


We deliver only the best. Every day.

Industries We Serve

Every industry has nuanced cleaning and disinfecting needs. From healthcare to manufacturing, we have teams trained and certified for your specific situation.

Products and Equipment for Your Team

Find a full range of the best commercial cleaning products and supplies on the market. Our team field tests each product to ensure it’s right for your team.

Great service starts local. Find a KleenMark office near you.

Reliable results. Built on 60 years of experience.

Wisconsin born and bred, we’ve dedicated ourselves to delivering unmatched customer service that takes your cleaning and disinfecting program to the next level.

Providing a full range of commercial cleaning services, products and supplies, KleenMark is the largest, independent janitorial company in Wisconsin, serving healthcare, manufacturing, biotech and large offices such as corporate headquarters.

With a team of 800-plus technicians who clean more than 25 million square feet each day, our programs are rooted in proven approaches guaranteed to deliver predictable, consistent results.

Local leadership.
At your service.

Contact Us

Have a question? Need service? Just want to talk about disinfecting dwell time? We’re here for you.