Protect Your Property. Strengthen Your First Impression

Window Cleaning, Pressure Washing, Gutter Cleaning & Snow Removal

Call: 262-894-2057 Or

The crew guys did an excellent job cleaning the siding of our condos. We have received no complaints from any of our owners. Thanks to Adam and his assistant for doing a great job for us.

Richard F.

Keep Your Professional Image

Professional Exterior Cleaning That Reflects Your Brand

Your building’s exterior is often the first thing customers, tenants, and clients see. Clean windows, maintained concrete, and stain-free exteriors signal professionalism and attention to detail. Commercial exterior cleaning services throughout Wisconsin and Illinois help office buildings, retail centers, restaurants, industrial facilities, and multi-unit properties maintain a polished, welcoming appearance year-round.

DeMark's Window & Pressure Cleaning

Our Services

Window Cleaning

Over 10 years of dedicated window cleaning service means we can manage the needs of your building, the right way – every time.

Pressure Washing

We can help you maintain the professional image of your business with a professional pressure clean. We will bring the beauty back to your business.

Snow Removal

Keep warm inside while also keeping the integrity of your grass or landscaping. Our professionals will remove the snow that has blocked you in.

Consistent Service Across Locations

For businesses with multiple properties, consistency matters. With established service coverage across Wisconsin and Illinois, commercial window cleaning, pressure washing, building washing, and gutter cleaning services can be delivered on a recurring schedule to maintain uniform standards across all locations.

Reliable, scheduled maintenance reduces emergency cleanings and supports predictable budgeting.

Effortless Experience

We handle every step with clear communication, professional service and reliable scheduling so you never have to worry about the details.

Professional Standards

Our trained technicians arrive prepared and treat your property with the respect and care it deserves.

Noticeable Results

Our cleaning delivers a visible difference, restoring your exterior and enhancing its overall appearance.

Testimonials

What Our Clients Say About Us

Rated 5 out of 5

With over 600+ 5 Star Google reviews.

Quality. Value. Peace of Mind.

Call: 262-894-2057 Or

Get A Free Quote

Keep the Sparkle In Your Business

Year-Round Protection for Commercial Properties

Exterior surfaces are exposed to heavy foot traffic, environmental buildup, and seasonal weather conditions. Ongoing commercial cleaning programs help prevent long-term deterioration, protect building materials, and maintain compliance with safety standards.

From fleet washing to inspection cleanings, proactive exterior care supports both brand image and property longevity.

Get the Snow Out of Your Way

Embrace Winter with Confidence: Efficient Commercial Snow Removal Services

We understand that snow and icy conditions bring unique challenges for commercial properties. That’s why our dedicated snow division, powered by Mammoth, stands ready to deliver top-tier snow removal services, ensuring your business remains operational and accessible even in the harshest winter conditions.

Choose DeMark’s for commercial and residential snow removal services that prioritize efficiency, safety and reliability. Discover how our expert team can ensure a path for your business.

FAQs for Commercial Services

What types of commercial properties do you service?

Services are provided for office buildings, retail centers, restaurants, industrial facilities, banks, and multi-unit complexes throughout Southeastern Wisconsin.

Do you offer year-round commercial cleaning?

Yes. Recurring and seasonal commercial exterior cleaning programs are available year-round to maintain a consistent professional appearance. Most commercial customers schedule recurring appointments for the ease of consistency, pricing and scheduling.

Can you service businesses with multiple locations?

Yes. With established service locations across Wisconsin and Illinois, regional brands and franchises receive consistent, standardized exterior cleaning across multiple properties.

Do you provide fleet washing?

Yes. Commercial fleet washing is available for vehicles, delivery trucks, and equipment to maintain a clean, professional brand presence on the road.

Our Service Areas

Get Ready For Amazing Results

Washington County

Madison

What's Next?

GET YOUR QUOTE

One quick call to our world-class customer service team will answer your questions and help you solve your problems.

GET SCHEDULED

With scheduling made easy, you’ll be able to pick a time that works for you. Your time is valuable. We get it!

RELAX

Sit back and relax knowing that experts will be doing the work and you won't have to lift a finger.