Ménage Oxygen
“The Oxygen cleaning team has been coming to my home for almost 4 months and I am very satisfied with the service.”
Best Commercial & Office Cleaning near Saint-Constant, QC
These companies serve Saint-Constant from nearby bases in towns including Saint-Laurent, Montreal and Saint-Léonard.
12 companies listed · 3 open 24/7 · 5 open weekends · 11 rated 4.5+
Data verified October 21, 2026
Groupe MMI
“Great team, always ready to help in the best way.”
Metrospec Inc
“Had Metrospec come in for a vent cleaning, they were on time, professional and thorough.”
Ninja Bleu
“Very professional, excellent communication with good work and superb results.”
SD Maintenance
“The cleanliness of my clinic is a priority and I really have peace of mind by entrusting it to SD maintenance.”
Menage Commerciale MCM
Listed for businesses in and around Saint-Constant, QC, these 12 companies hold commercial cleaning contracts. Ask each one for a site walk before it quotes, since square footage alone says nothing about the entrance matting, the washroom count or the winter mess that drives the real workload.
Area overview: Saint-Constant, QC
The 12 companies on this page are rated from 4.3 to 5.0 across 183 reviews; 1 has 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (92%), quality (69%) and responsiveness (62%). 3 are open around the clock and 5 are open on weekends. Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 2009. 3 offer emergency call-outs and 1 lists coupons or special offers. We have a website on file for all 12 of the companies on this page; 10 publish a contact page and 8 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any of these companies clean around the clock?
Around-the-clock availability is stated by 3 of the 12 commercial cleaning companies here. In this trade that usually means an emergency call out for a flood, a burst pipe or a biohazard rather than a crew standing by, so ask what the after-hours number actually reaches.
Ardiz
“Very good cleaning company family business it was a pleasure to work with I would definitely recommend,”
Cleaning Montreal
Louk's Management Inc
“Thank very much for your excellent work great team and definitely recommending!”
Entretien Simo-Pro
“I am very satisfied and will call them back soon to clean the kitchen.”
Défi Entretien
“Huge thanks to Defi Entretien and their team for taking care of our space and cleaning it thoroughly and consistently every week.”
Monsieur Propreté
“Professional company that is committed to the satisfaction of all its customers!!!”
Why these companies made our list
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