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Maple Property Cleaning
- Home
- Pantry
- Quality
“Attention to detail is meticulous, very satisfied with my bi-weekly cleaning.”
Best Commercial & Office Cleaning in St. Thomas, ON
24 companies listed · 5 in St. Thomas · 8 open 24/7 · 18 open weekends · 21 rated 4.5+
Data verified October 16, 2026
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GCW Custom Kitchens & Cabinetry Inc.
- Manager
- Home
- Feel
“We were so pleased with the design, quality, workmanship of cabinetry and the install that we could not think of calling on any other company to design our wet bar that we were adding to our family room.”
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Geerlinks Home Hardware Building Centre
- Town
- Business
- Building Materials
“Had some plumbing to get done today, employee named Bruce I believe was more than helpful getting me set up with all the material I needed to complete this project.”
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Exteria Brite
“Their level of flexibility is a great fit for our business and they have accommodated our needs throughout several phases of renovation.”
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Innovative Interior Consultants Inc
- Project
“Throughout the duration of our project Andrew made himself readily available, never missing a call or text, always eager & willing pop over, deliver samples and products and was very patient & insightful with helping us plan our renovation project.”
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Power Wash Master
- Siding
- Job
- Pool
“They did our hood system at cedar north restaurant, I use to use before steam canada, really big difference in service, very clean ,they are expert and knows exactly what they're doing, power wash master all the best.”
Listed for businesses in and around St. Thomas, ON, these 24 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: St. Thomas, ON
Of the 24 companies we list here, 5 are in St. Thomas itself and 19 come from London (18, 24 km). The companies on this page are rated from 4.3 to 5.0 across 4,057 reviews; 9 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (87%), quality (85%) and responsiveness (74%). 8 are open around the clock; 18 are open on Saturdays and 11 on Sundays. The services the companies on this page list most often on their websites are carpet cleaning (2), commercial cleaning (2), residential cleaning (2) and window cleaning (2). 2 show a licence on their websites. 4 have ten or more years of experience, the longest 23 years. 10 give free estimates; 2 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 20 publish a contact page; 18 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 St. Thomas?
An address in St. Thomas is given by 5 of the 24 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.
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London Plumbing
- Kitchen Sink
- Call
- Rental
“He then arrived in a timely manner and inspected other aspects of my toilet and plumbing in the bathroom being serviced without being asked to ensure that there was nothing else in need of service that I may have either not noticed or didn't think to...”
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Donaldson Heating and Air Conditioning
- Bathroom Renovation
- Sales
- Technician Sam
“After experiencing a couple years of terrible service from contractors and service people on various projects, dealing with Donaldson's was a welcome relief.”
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Vortex Services Inc
“Has built a strong reputation in the cleaning industry, thanks to their thorough cleaning processes, professional staff, punctuality, customized solutions, eco-friendly practices, excellent customer support, and good value for money.”
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Enviro-Master
- Company
- Polite
- Workplace
“I work in a stair company where we have a lot of public coming in, having these guys clean our space weekly puts me at ease knowing that the facilities are well disinfected, and they are always Pleasant.”
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S&I Cleaning
- Company
- Management
- Family
“I want to thank our leader Sandra Zorrilla who through her good disposition, humanity, empathy and her high capacity of leadership has allowed us to achieve high standards of quality and commitment in all the assigned functions”
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Household Plumbing
“Went to the home depot & home hardware and couldn't get the help or information i needed, but at Household Plumbing I got the customer service that all the other places are missing right now and solved my problem saved me money all because of Househo...”
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Kirk's Renovations
- Tile
- Project
- Family Room
“From the initial meeting where Tyler gave us the ideas how to proceed, to the finished product - everything was on budget, on time, and completed to our satisfaction.”
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Ocean Building Maintenance
- Office Cleaning
- Price
- Company
“After experiencing dissatisfaction with our previous provider—who made excuses rather than meeting our standards—Ocean Building Maintenance was a refreshing change.”
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A Plus Building Maintenance
“Aplus Building Maintenance has been cleaning my commercial and residential real-estate for over 5 years now, the service and attention to detail is amazing.”
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Just Kitchens
- Sink
- Job
- Countertops
“Right from the beginning, Henry was very quick to respond to our inquiries and was able to provide us with a few remodeling options that gave us the functionality we were hoping for while being mindful of our budget.”
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Friesen Renovations
- Frame
- Job
- Basement
“Had a gentleman come to assess a drywall repair job - was very professional, thorough, detailed in his explanation of the work recommended and was not hesitant to go into the crawl space right to the area in need of work.”
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Steam Force Ltd
- Smell
- Company
- House
“I have used them for several situations ranging from water main leaks flooding an entire ground floor of a building to a regular steam clean of a vacant apartment.”
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Medclean Janitorial Services Inc- Commercial and Office Cleaning
- Company
- Home
- Realtor
“Would highly suggest them if your are moving as they take away so much stress.”
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Power House Construction
- Contractors
- Team
- Fence
“I was happy to give a company of young entrepreneurs a try and was impressed with the quality of their work, especially their framing skills, their professionalism, their work ethic and how polite and on time all the staff were.”
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TK Kitchens and Vanities
- Price
- Bathroom
- Kitchen Cabinets
“Very good customer service reasonable price give good advice in designing the kitchen cabinets and in doing layout how to fix cabinets and related products...”
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Clean AF
- Dirt
- Communication
- Future
“What I specifically appreciate is the communication - Pictures before and after, notice of any deficiencies that need to be resolved, notice of any damage.”
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Scrub Art Cleaning Services
“I recently had the pleasure of experiencing the cleaning services provided by Scrub art Cleaning , and I am beyond impressed with the level of excellence they brought to my space.”
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Miral General Cleaning Inc.
“Very well cleaning that I recommend anyone to do.”
Commercial Office Cleaning Services in St. Thomas, ON Cost Estimates
Minimum cost
$172
Maximum cost
$1142
National Average
$504
Avg Per Hour Rates
$87
$316
$746
Fair price range is based on 279 cost profiles
Why these companies made our list
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