Offices
Immaculate offices, maintained on your schedule.
Certified technicians · Fully insured · 24/7
Commercial & Condo Cleaning Services in Montreal
NMS Nettoyage Multi Services keeps offices, retail spaces, condo buildings and industrial facilities across Greater Montreal spotless — with certified technicians, a fully insured company and service available 24/7.
Call us — 514-883-8748Certified technicians
Liability and professional liability insurance
Specialized equipment
Available 24/7
One partner for every cleaning need
From regular janitorial service to post-construction cleaning, windows, floor care and pressure washing, our certified teams use professional-grade equipment to deliver consistent results, no matter the size or complexity of the project.
Our services
Our commercial cleaning services
Comprehensive solutions tailored to businesses, institutions and industries across Greater Montreal.
Commercial Cleaning Services
Regular janitorial service for offices, condos and shopping centres, available 24/7.
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Commercial Window Cleaning
Professional window cleaning with specialized equipment and certified technicians.
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Floor Care Services
Stripping, waxing and polishing to restore shine and durability to your floors.
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Pressure Washing
Pressure washing for building facades, warehouses, parking lots and outdoor surfaces.
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Carpet & Steam Cleaning
Deep cleaning of carpets and surfaces using professional steam cleaning techniques.
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Disaster Recovery & Decontamination
Biological decontamination and specialized cleaning following a disaster.
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Construction Cleaning
Before, during and after construction cleaning for a spotless handover.
Learn moreDon't see what you need?
Our teams cover far more than this list. Tell us about your project and we'll show you how we can help.
Contact us
Property managers & condo boards
Condo & Common-Area Cleaning
Lobbies, hallways, elevators, garbage rooms, garages: we keep your building's common areas spotless, with a clear plan and a schedule that respects residents.
- Detailed scope of work by area and frequency
- A single point of contact for the board
- Windows, carpets, floors and pressure washing under one agreement
Why businesses trust NMS
A rigorous team, professional equipment and an unwavering commitment to quality.
Certified technicians
Our staff is trained and certified to work safely, even in the most demanding environments.
Specialized equipment
We invest in professional-grade equipment to guarantee spotless results, faster.
Full insurance coverage
Liability and professional liability insurance on every contract, for your peace of mind.
24/7 flexibility
Our teams work around your business hours, including evenings, nights and weekends.
Personalized service
Every maintenance plan is built around your actual needs — never a generic template.
Consistent quality
Rigorous protocols and quality checks for reliable results, visit after visit.
How it works
A simple process, from the first conversation to a spotless space.
- 01
Consultation
We discuss your needs, your space and your timeline.
- 02
Free quote
You receive a clear, detailed quote with no hidden fees.
- 03
Service delivery
Our certified team carries out the work with professional-grade equipment.
- 04
Quality control
We check every result to guarantee your complete satisfaction.
Industries we serve
Our expertise spans a wide range of commercial and industrial environments.
Condominiums
Shared halls and common areas that always feel welcoming.
Shopping Centres
A clean, inviting environment for your visitors, morning to night.
Spas & Wellness Centres
Impeccable cleanliness that's essential to the client experience.
Industrial
Heavy-duty maintenance for warehouses and production sites.
Commercial & Institutional
Tailored solutions for businesses, schools, and public institutions.
Petroleum Industry
Specialized cleaning protocols for petroleum sites and facilities.
Construction Sites
Pre- and post-construction cleaning for a complete handover.
Service area
Throughout Greater Montreal
Our crews work across the island of Montreal, Laval, the South Shore and the North Shore.
Montreal
Downtown, Ville-Marie, Plateau-Mont-Royal, Rosemont, Saint-Laurent, Ahuntsic, Anjou, Saint-Léonard, LaSalle, Lachine and the West Island
Laval
Chomedey, Laval-des-Rapides, Sainte-Dorothée, Vimont, Sainte-Rose and all of Laval
South Shore
Longueuil, Brossard, Boucherville, Saint-Lambert, La Prairie and surrounding areas
North Shore
Terrebonne, Blainville, Boisbriand, Mascouche, Repentigny and surrounding areas
Excellence, one visit at a time
Since our beginnings, NMS Nettoyage Multi Services has built a solid reputation with property managers, contractors and businesses across Greater Montreal through rigorous, certified and consistent service.
Learn more about NMSExcellence in service, passion for quality.
Les Services NMS
Blog
Advice for property managers and businesses
Practical guides to plan, budget and get the most out of your cleaning program.
Condominiums·4 min read
Condo Common-Area Cleaning: A Montreal Property Manager's Guide
Lobby, hallways, elevators, garage: the complete checklist, by frequency, to keep your condo's common areas spotless all year — Montreal winters included.
Read article
Tips·5 min read
Commercial Cleaning Costs in Montreal: What Really Drives Your Quote
Why two offices of the same size can get very different quotes, how to compare offers, and 5 ways to lower the bill without sacrificing cleanliness.
Read article
Tips·3 min read
How to Choose a Commercial Cleaning Company in Montreal: 10 Questions to Ask
Insurance, CNESST, subcontracting, quality control, key management: the questions that make the difference before you sign — and the red flags to watch for.
Read article
Commercial cleaning FAQ
Price depends mainly on the area to be cleaned, visit frequency, the type of space and the tasks included. We provide a free, detailed quote with no hidden fees, usually within 24 hours.
Yes. We clean condo common areas — lobbies, hallways, elevators, garbage rooms, garages — for property managers and condo boards.
Offices, retail stores, shopping centres, spas and wellness centres, clinics, schools and public institutions, warehouses and industrial sites, as well as construction sites.
Yes. NMS carries general and professional liability insurance, and our technicians are trained and certified to work safely.
Yes. We offer 24/7 service by appointment, so cleaning never disrupts your operations or your residents.
We serve all of Greater Montreal: the island of Montreal, Laval, Longueuil, Brossard and the entire South Shore and North Shore.
No. We offer both regular cleaning agreements and one-time services, depending on your needs.
Let's talk about your project
Get a free, personalized quote in under 24 hours. No obligation.