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.

We Service Commercial Properties of All Sizes

What People Says

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!

Jared R

Very professional! Does amazing work! Highly recommend!

Kari Lowe

Very professional staff. Ownership is very involved and responsive.

Deanna Spell

Great service and even better personal 👍.

Robert Alan “Tamer” Phillips

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

[email protected]

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

Sat-Sun Closed

HOURS OF OPERATION
24-Hour Service-By Appointment

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

Providing Great Service to Create Long-Lasting Relationships

Trusted Commercial Janitorial Services Since 1975

Creating Long-Term Relationships

Create a Lasting Impression

We Service Commercial Properties of All Sizes

What People Says

Our Cleaning Process

We proudly service

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

(636) 856-0392

[email protected]

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

Sat-Sun Closed

HOURS OF OPERATION
24-Hour Service-By Appointment

CONTACT INFORMATION

OUR LOCATION

Providing Great Service to Create Long-Lasting Relationships

Trusted Commercial Janitorial Services Since 1975

Creating Long-Term Relationships

Create a Lasting Impression

We Service Commercial Properties of All Sizes

What People Says

Our Cleaning Process

We proudly service

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

(636) 856-0392

[email protected]

Working Days: Mon. – Fri. Working Hours: 9AM – 5PM Sat-Sun Closed HOURS OF OPERATION 24-Hour Service-By Appointment

CONTACT INFORMATION

OUR LOCATION

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

Sat-Sun Closed

HOURS OF OPERATION
24-Hour Service-By Appointment