About Denis Cleaning Service, LLC

With over 20 years of experience in the commercial cleaning industry, Denis Cleaning Service LLC has built a strong reputation for reliability, excellence, and customer satisfaction.

Founded on the principles of hard work, integrity, and a commitment to service, we specialize in providing tailored cleaning solutions for a wide variety of industries, including schools, offices, clinics, fitness centers, entertainment venues, and construction sites.

Our team of highly trained and background-checked professionals is dedicated to maintaining clean, safe, and welcoming environments for all of our clients.

We pride ourselves on flexible service models, transparent communication, and consistently exceeding expectations.

At Denis Cleaning Service LLC, we understand that each facility is unique, which is why we work closely with every client to design customized cleaning plans that meet their specific needs and schedules. Whether it’s daily janitorial service, post-construction clean-up, or special project support, our goal is to deliver spotless results every time.

We are fully insured and equipped with the latest tools and environmentally friendly products to ensure the health and safety of your facilities.

Our Mission:

To provide exceptional, dependable cleaning services that create clean, healthy environments and long-lasting partnerships with our clients.

Our Vision:

To be the leading commercial cleaning company recognized for quality, trust, and outstanding service.

Our Values:

Professionalism
Integrity
Commitment to Excellence
Customer Satisfaction

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WHAT SETS US APART?

Personalized Supervision

Every building is inspected nightly. Monthly walkthroughs are scheduled with each client to ensure satisfaction and address any concern directly.

Transparent & Fair Hiring

All employees pay for their own background checks and training. We never cut corners on professionalism.

Fully Insured & OSHA-Compliant

Licensed, bonded, insured. Our teams follow strict OSHA, SDS, and PPE protocols.

Bilingual, Accessible, Local

We communicate clearly in both English and Spanish. Based in Colorado, we are always close, responsive, and flexible.

Reliable Long-Term Clients

Our longest-running contracts go back over 6 years. We don't just clean - we build relationships.

Specialization & Precision

We specialize in:
- Medical buildings
- Schools & daycares
- Post-construction
- Gyms & corporate offices

All with equipment like auto scrubbers, steamers, and vacuum backpacks.

No Shortcuts. Ever.

Organized janitor closets. No employees taking outside work from clients. Written rules with real
accountability.