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24 companies listed · 14 in Newmarket · 7 open 24/7 · 19 open weekends · 19 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around Newmarket, ON, these 24 companies clean homes. Most price a one-off deep clean after they have seen the rooms, so treat anything quoted over the phone as a starting figure rather than a fixed one.
14 of the 24 companies we list are based in Newmarket; the other 10 serve Newmarket from towns including Richmond Hill (21 km), Markham (25 km) and Holland Landing (6 km). 22 of the companies on this page have a rating, from 4.4 to 5.0 across 1,623 reviews; 9 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (85%), professionalism (79%) and responsiveness (70%). The topics that come up most in reviews of the companies on this page are "price" and "communication". 7 are open around the clock; 18 are open on Saturdays and 13 on Sundays. The services the companies on this page list most often on their websites are home cleaning (2), paving (2) and spring cleaning (2). 3 show a licence on their websites and 1 lists staff certifications (IICRC). Domain records put 6 websites of the companies on this page at ten or more years old; the oldest dates from 2009. 7 offer emergency call-outs; 10 give free estimates; 7 are family- or locally-owned and 2 list coupons or special offers. 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.
Websites are on file for 22 of the 24 cleaning companies here. Read the page that sets out what a deep clean covers, then call with the questions it leaves open: exclusions, who supplies products, insurance, and who holds the key while you are at work.
