Commercial Exterior Cleaning

Window Cleaning, Pressure Washing, Gutter Cleaning & Snow Removal

sitting area with windows and black chair

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.

gray building commercial property

Keep Your Professional Image

Your Amazing Outcome With Pressure Washing

Does the professional look of your business need to be brought back to life? Your business will get the pride and respect it deserves with a professional pressure wash. DeMark’s Window & Pressure Cleaning professionals are expertly trained to deliver superior results and can be trusted to clean your concrete walkways, buildings, and exterior surfaces. Our services have expanded to meet our client’s requests to include exterior power washing, graffiti removal, concrete cleaning, and gutter cleaning to maintain any commercial property’s value and appearance. 

Our commitment to quality never waivers and our service is unmatched. We deliver what we say, and when we say it. Whether it is pole work, our cutting-edge pure water window cleaning technology, or ​nose to glass” ladder work, we will get the job done right. Give us a call today to book a professional commercial exterior cleaning service.

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.

The Importance of Keeping the Image of Your Business

Keeping your commercial property cleaned, is all a part of maintaining your professional image.

A clean exterior is the welcome and representation of your business. It tells employees and those who wish to do business with you that you take your reputation and image serious. It also tells your employees that you care about their safety. Dirt and grime buildup on a business can be unhealthy and can cause many problems, leading to the shutdown of your business.

At DeMark’s, we are dedicated to providing a commitment to superior commercial exterior cleaning service, innovative approaches, and techniques that allow you the peace of mind that your commercial building is well maintained.  Let our commercial exterior cleaning professionals help you keep your professional image with a professional cleaning. 

Satisfaction Guaranteed

We guarantee satisfaction with our hard work and professionalism.

Hassle-free customer service

Our customer service representatives are here for you.

Professional and Friendly Staff

We strive to be professional and friendly with the best service.


What Our Clients Say About Us


With over 200+ 5 Star Google reviews.

Quality. Value. Peace of Mind.

Demarks snow turck and tree

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.

What Makes DeMark's Different?

You will receive experience and knowledge when you choose to have your exterior areas cleaned. We take pride in providing knowledge about our process with our work.

Professionalism and friendliness are what drives us to be the best. We work hard to show our customers we care about their home and their time.

We use advanced technology cleaning equipment and products for the best results when cleaning your exterior areas. 

Your home will be cleaned with the best cleaning products in the market and will shine with beauty after our professional cleaning process.


Professional. Affordable. Reliable.

Make Your Neighbor Jealous Because Your Home Looks So Good

Keep the Sparkle In Your Business

Maintain the Professionalism in Your Business With Clean Windows

Get your windows professionally cleaned and keep the sparkle in your business.

DeMark’s Window & Pressure Cleaning realizes the first impression your clients and employees have of your building is from its appearance. Clean windows are part of making sure your professional appearance represents and speaks to the community. Our experience in providing the best window cleaning service is unmatched when making businesses stand out and keeping their professionalism.

Let us put the sparkle back in your windows with a professional window cleaning. DeMark’s stays on the cutting edge of the latest developments in the industry, and always works within the guidelines of the ANSI I‑14 Window Cleaners Safety Standard. Your windows will be the perfect representation of your business after we clean them. Give us a call today to schedule an appointment. 

Our Service Areas

Get Ready For Amazing Results

Waukesha County

Washington County

Ozaukee County

Milwaukee County


What's Next?



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



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



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