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Montreal Commercial Cleaning | Professional Janitorial Services

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Montreal Commercial Cleaning Company

Need Help Cleaning Your Commercial Property?


Get help from a caring team of cleaning professionals.

Office Cleaning

We help corporate companies maintain a professional business environment and allowing them to focus on core business activities. We will work closely with you to establish the best approach for your office cleaning needs.

Post Construction Cleaning

We clean your newly constructed or remodeled building. Construction leaves behind a lot of dirt, dust, and debris and our post-construction specialists work with you to ensure that your property is cleaned to an acceptable standard.

Medical / Laboratory Cleaning

We offer superior medical and laboratory cleaning services to various medical institutions. Our professional medical cleaning service is aimed at making sure your medical premises remain a clean and healthy environment.

Condominium Cleaning

Our condominium cleaning services aim to ensure your condominiums are clean, attractive, and safe for residents and visitors. We deal with various types of properties and work closely with you to identify your unique needs.

Educational Facility Cleaning

There can be no effective learning in a dirty and disorganized environment. We have the capability to effectively clean institutions with a large student population while causing minimum disruption to learning activities.

Carpet Cleaning

Our carpet cleaning services are aimed at cleaning your carpet to remove grime and dirt, odor, dust, and stains. We restore your carpet and help your premises smell fresh once again and be allergen free. We use the latest equipment to clean your carpet.

Industrial Warehouse Cleaning

We have invested in the appropriate equipment, labor, and technologies to work on a wide array of projects. We manage your industrial and warehouse cleaning needs allowing you to focus on your key business activity.

Floor Care

We clean your commercial property floors while maintaining their integrity. Our experts are well versed in handling different types of floors. We’ve invested in well-trained floor care specialists, appropriate equipment, and technology to achieve the best results.


We’ve been in the commercial cleaning business for long and we have an in-depth understanding of what you require. We will work closely with you to identify your challenges and implement a tailored cleaning process for your business. Our consistency and attention to quality have allowed us to help countless Montreal businesses with the same cleaning needs as yours.

Proactive Approach

Our proactive approach maximizes efficiency and eliminates the chances of missing assignments and/ or protocols when cleaning your commercial facility.

We fully understand what needs to be done right from the beginning. We oversee the entire cleaning process to maximize efficiency and rely on our quality assurance specialists to ensure project standards and quality of workmanship is above par.

Our cleaning audits enable us to identify any potential issues and address them in good time.

Customized Cleaning Process + Measurable Results

Before commencing a project, we do a comprehensive site inspection to understand your requirements. We provide a customized cleaning process with measurable results.

Once we assess your office cleaning needs, we will put together a customized cleaning operation that our team will follow and record at every visit.

We will provide you with documentation and a customized SOP, daily inspection report, updated sign sheet, and an error log to help you track the progress of our work.  Every step of our cleaning process is measured and documented to pave way for evaluation.

Unique Communication + Personalized Service

Our communication process is unique. We aim to be a high-end boutique cleaning service provider. Our ‘Mom & Dad’ personalized service, coupled with customized cleaning process aims to give you the best of both worlds.

We also keep open communication channels i.e. daily inspection reports, emails and telephone conversations with our clients to allow seamless exchange of information and feedback.

Client Reviews

See what our clients have to say.


Very professional, excellent response time, great service. Personable, hardworking individuals transformed our facility in only two days – would highly recommend this service provider.

Danny Motyka

Aurora Cannabis Inc.

We are happy to recommend Zeta Maintenance for your cleaning needs. We have been utilizing Zeta across the Montreal area for our Medical & Dental Clinic Cleanings and during that time they have done an excellent job. They Provide superior cleaning, reliability trustworthiness, consistency and professionalism in every aspect. We feel certain you will be as satisfied with their cleaning services as we have been.

Jack Nathan

Health Clinics


Our offices are always super clean, and they are easy and efficient to work with Je vous les recommanderait n’importe quand!

Rachel Therrien

Alchemy 24

Do you need help cleaning your facility?

Zeta Maintenance provides commercial cleaning services in and around Montreal, Quebec.

About Zeta Maintenance

Zeta Maintenance is a high-end boutique commercial cleaning company that was founded in 1996 by Greek immigrants Hippocrates and Vicki Zoumboulis to support their family.

In 2015, the founders of the family-owned company passed the mantle to their son, Theo.

Our core mission is to professionally serve customers with superior cleaning services that are accompanied by measurable results.

We value each client the same way and endeavor to promptly meet your needs and create a favorable environment for the success of your business.

Contact Us

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Zeta Maintenance


2625 Rufus Rockhead # 304, Montreal, QC H3J 2W5


Monday-Sunday 9 am – 11 pm

Got Questions?

We are here to help you with your commercial cleaning needs.

Do I pay for an estimate?

No, we do not charge for estimates. If you would like to inquire about our services, please call us to set up an appointment. One of our experts will come to your office to perform a free assessment. As part of your estimate, we will customize an SOP and checklist of services that would fit your specific needs. You will hear back from us with your estimate within 24-48 hours of the assessment.

Can I get an estimate over the phone?

Unfortunately, we cannot ensure accuracy over the phone, so this is not an option.

How do I know what you have cleaned?

Zeta Maintenance will provide a daily report, our checklist tells you everything. If anything was not cleaned during our visit, the items will be noted on the daily report and given the most attention during the next visit.

Do you guarantee your work?

Yes! If you are dissatisfied with our work, we will send a manager to solve any problems right away and credit that cleaning on your next invoice. You shouldn’t have to pay for cleaning you’re not happy with.

Are your employees screened with background checks?

Yes! All of our employees are screened with Police background checks, personal reference checks, insured and bonded before they enter your business.

Will I have the same cleaners on each visit?

Yes, you will have the same cleaners on each visit except if he/she goes on holiday or is unable to clean. In these cases you will be notified and we will arrange a temporarily replacement.

They Trust Us

Nothing is more important than our clients’ satisfaction.