Flores Clean
“Great cleaning job, will highly recommend to anyone looking for quality service!”
Best Commercial & Office Cleaning in Hamilton, ON
16 companies listed · all 16 in Hamilton · 3 open 24/7 · 12 open weekends · 15 rated 4.5+
Data verified October 18, 2026
M&J Cleaning Services Inc.
“Called, left message, Joseph promptly called back, asked me about some details, provided a competitive quote, booked the appointment and it only got better from there.”
Universal Cleaners Inc.
“5 stars do not speak highly enough for the level of professionalism you can expect from UCI”
Icleaners Commercial Cleaning Services Inc.
“We have worked with Icleaners for the past 6 months and they have been excellent!”
Sol Clean
“Such a pleasure to work with a good company, and always surpasses my expectations!”
Sanicore
“Amazing cleaning service, best ive ever used they will have my business forever.”
Listed for businesses in and around Hamilton, ON, these 16 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: Hamilton, ON
All 16 companies we list here are in Hamilton itself. We have 18 companies in Hamilton on file; this page shows the highest-rated 16. 15 of the companies on this page have a rating, from 4.5 to 5.0 across 476 reviews; 2 have 50 or more reviews. The topics that come up most in reviews of the companies on this page are "quality" and "price". 3 are open around the clock; 12 are open on Saturdays and 7 on Sundays. 3 have ten or more years of experience, the longest 16 years. 4 offer emergency call-outs and 6 give free estimates. We have a website on file for 11 of the companies on this page; 10 publish a contact page and 9 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 16 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.
The Ultimate Construction Cleaners & Organizers
“Brandy's attention to detail and to be able to adapt to ever changing elements and timelines on our job sites is the reason we know we count on them to deliver time and time again for us.”
Canadian Decon Solutions
“Chris and his crew did an excellent job removing the contents of a townhouse in Grimsby.”
Dural's Cleaning Services
“Thank you for all the help you have provided.”
Tennier Sanitation
“Not only are the ladies working the phones friendly & knowledgeable, but delivery gentlemen are also great people.”
Aakar Renovations Inc.
“They did the job with utmost professionalism and also cleaned after the job was done.”
Made Perfect Cleaning Services Inc
Nomecon Group
“They came in on time for every appointment, were really polite and professional, the work was done right....”
PG Building Maintenance
“Donna Rowe and PG Property management is the company to choose for excellent and reliable services.”
Affordable White Glove Cleaning Services
R & L Powers Carpet Cleaning
Why these companies made our list
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