Gateway Janitorial

Providing Great Service to Create Long-Lasting Relationships

Take advantage of our competitive prices, specialized services, and eco-friendly, green cleaning

Trusted Commercial Janitorial Services Since 1975

Gateway Janitorial Services, Inc. specializes in professional commercial cleaning and building maintenance. Our company was founded in 1975 and has quickly grown to one of the premier janitorial services in the St. Louis area.

Gateway Janitorial Services, Inc. is dedicated to the flawless appearance of your building, office, or facility. We strive to provide our clients with the highest level of service by offering personal attention and friendly customer service at a fair price. We take pride in our work and strive to maintain your facility to your highest standard. We provide services to facilities of all sizes, from offices of only a few people to buildings over 75,000 square feet.

Creating Long-Term Relationships

Through our attention to detail and constant communication, Gateway Janitorial Services, Inc. has maintained long-term business relationships with many of our clients. We look to further build on these relationships and create many new ones, by continuing to strive to provide outstanding and personalized service.

Create a Lasting Impression

Make the best first impression with your staff, corporate visitors, and faculty with our services. We can keep your building sparkling from light cleaning to deep indoor sanitizing. Our staff takes pride in delivering the kind of service that goes unnoticed. When the job is done right, no one has to think about the cleaning service.

Our company takes pride in being the team you can trust for your general janitorial services, but we can also help you with non-standard cleaning and maintenance. We have teams that specialize in window washing, floor maintenance, and carpet cleaning.

What People Says

Jared R

The companies treats their Employees and Clients with the upmost respect. The owner even will fill a Job if an Employee was sick, just so that his service provided is guaranteed. Great company!

Kari Lowe

Very professional! Does amazing work! Highly recommend!

Deanna Spell

Very professional staff. Ownership is very involved and responsive.

Robert Alan “Tamer” Phillips

Great service and even better personal 👍.

    Our Cleaning Process

    Give us a Call

    Schedule it

    The Cleaning

    Easy Payment

    We proudly service

    St. Charles, Lincoln, Warren, and St. Louis Counties.

    (636) 856-0392

    Working Days: Mon. – Fri.
    Working Hours: 9AM – 5PM

    Sat-Sun Closed

    24-Hour Service-By Appointment 

    1001 Boardwalk Springs Place, Suite 111 O’Fallon, Missouri 63368