Office Cleaning Service Denver | Commercial Cleaning by Professionals

Struggling to keep your office clean and organised? Can't find reliable janitorial services in your area? A messy workspace can disrupt productivity and leave the wrong impression on clients and customers. Serving Denver, Slate's professional office cleaning services are designed to maintain a clean and healthy workspace. With a reliable team, flexible scheduling, and a commitment to excellence, we ensure your offices and commercial properties stay spotless. Let Slate transform your space into a place you’re proud of.

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Slate ❤️ Offices

Denver’s bustling offices deserve a cleaning service that keeps up with the pace. From the high-rises downtown to the cozy offices in Cherry Creek, we know Denver businesses are built on hard work and innovation. But let’s be real—keeping your office clean shouldn’t be one more thing on your plate. That’s why Slate is here to handle the dirty work while you focus on the big stuff.

Our Keepers take care of everything—from the high-touch areas your team uses daily to the forgotten nooks in break rooms and common spaces. We handle waste management, floor care, restocking supplies, and any other commercial cleaning services you need, all with a focus on flexibility, reliability, and attention to detail. We also offer customized cleaning plans that suit your need for a cleaner and healthier environment.

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With Slate, cleaning is off your to-do list for good. Book your first appointment and let us show you how we can keep your Denver office looking its best.

Not a Marketplace, Only Cleaners

Unlike companies using contractors, Slate employs its cleaners, ensuring they receive comprehensive training, management, and legal protections. This approach enhances job performance, reduces staff turnover, and maintains consistent quality over the long run.

CIMS Certified

The gold-standard in commercial cleaning certification. There are over 1 million cleaning companies in the US and only 400 are CIMS-certified. That's less than 0.05% of all cleaning companies in the US.

Amazing Support

Whether you are on Slack, SMS, phone or in-person our friendly, knowledgeable, proactive team works as an extension of yours.

15 Profitable Years in Business

Good housekeeping starts at home. 15 years of profitable operations means we run a tight ship at home. We answer only to our clients, not to investors.

Fully Insured

The most comprehensive insurance coverage so you can have peace of mind that your space, things and people are covered.

Give Back

We partner with community organisations throughout the US to both source employees and support them financially.

They solved cleaning already. When will you?

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Emily Astorian

Facilities and Compliance Modern Animal

“We have a solid team at each location - I can see they are getting comfortable taking more ownership over each space, they are becoming part of our crew!.”