Twin Star Cleaning Services Inc.
“I have the same person come to my house as she's familiar and takes extra steps to personalize the service (like folding the toilet paper in a fancy way).”
Best Commercial & Office Cleaning in Newmarket, ON
15 companies listed · 5 in Newmarket · 5 open 24/7 · 10 open weekends · 13 rated 4.5+
Data verified October 21, 2026
Spar-Clean Inc
“So happy to have Spar-Clean professionals help us get our house ready for a bridal shower.”
Right Now Cleaners
“In time very respectable and professional and safe of what they are doing after I used this service I was very impressed of how good they cleaned my house 🖐️ …”
Clean Space Canada Inc.
“They quoted a reasonable price, was able to sync up with our schedule and came promptly to do the work.”
Clear Results Cleaning Inc.
“Clear Results has been cleaning our office space for my company for over 5 years.”
Global Clean
Listed for businesses in and around Newmarket, ON, these 15 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: Newmarket, ON
5 of the 15 companies we list are based in Newmarket; the other 10 serve Newmarket from towns including Richmond Hill (21 km), Bradford (11 km) and East Gwillimbury (10 km). The companies on this page are rated from 4.4 to 5.0 across 422 reviews; 2 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (90%), responsiveness (86%) and professionalism (84%). 5 are open around the clock; 10 are open on Saturdays and 9 on Sundays. 4 show a licence on their websites and 1 lists staff certifications (IICRC). Domain records put 3 websites of the companies on this page at ten or more years old; the oldest dates from 2008. 5 offer emergency call-outs; 7 give free estimates; 4 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 13 publish a contact page; 14 list a public email and 2 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Does a contractor need an address in Newmarket?
An address in Newmarket is given by 5 of the 15 commercial cleaning companies here; the others come from other towns within 25 km. For nightly work, the supervisor's drive matters more than the office address, since a site that is an hour from the nearest manager gets inspected less often.
5 Star Cleaning
“Not only did the cleaners do exactly what I wanted, they went above and beyond and made sure that I was happy before they left.”
Enviro Clean Mobile Services Inc.
“I recently hired this underground parking power wash service for my building and I must say I was thoroughly impressed with the results.”
Total Clean Commercial Cleaning
“Very reliable and professional, staff is so friendly and easy to work with.”
Merry Maids
“They did full move clean out of my old place and full move in service fir my new place.”
Craft and Draft
“He pays attention to the details and goes the extra mile to ensure our facility fridges and taps function at optimal levels.”
Malfitano Cleaning Services
“I will most definitely be using his cleaning services again without a doubt.”
Neat O Shine Cleaning Services
“The employees were all very reliable and trustworthy and did an exceptional job at paying attention to details.”
Como Maintenance Services
“I even asked to do a few more areas than initially discussed and he did without issue or extra charge.”
MK Cleaning Services
“Best cleaner ever highly recommend always on time thank you so much MK”
Why these companies made our list
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