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Sentinel Maintenance

Your Trusted Commerical Cleaning Partner Serving Toronto and the GTA
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Ontario, Canada
2-10 employees

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Company Description

Sentinel Maintenance Inc. (SMI) is a proudly Canadian-owned property services company that has delivered dependable cleaning, maintenance, and restoration solutions since 1989. Headquartered in Toronto with roots in Regina and an expanding North American footprint, SMI partners with commercial property owners, managers, and organizations to keep facilities safe, clean, and operational. The firm provides daily janitorial programs and scheduled office, condominium, dealership, and institutional cleaning alongside specialized capabilities such as carpet and upholstery care, low- and high-rise window cleaning, exterior and parking garage power washing, deep cleaning and disinfection, fogging, graffiti removal, and industrial cleaning. SMI also offers post-construction and new condominium construction cleanups and maintains a 24/7 emergency response for flood cleanup, odour control, fire restoration, and applied microbial (mould and sewage) remediation, enabling clients to recover quickly from incidents. A rigorous health and safety culture underpins every engagement, with on-site staff and subcontractors trained in WHMIS, Worker and Supervisor Health & Safety Awareness, and Working at Heights, and key personnel additionally certified for lift operation, scaffold use, and site-specific requirements. Backed by 35+ years of experience, 500+ clients served, and 100+ certified and qualified team members, SMI emphasizes transparent communication, accountability, respect, and continuous improvement through routine training, safety refreshers, and structured management oversight. Local teams serve Toronto and the Greater Toronto Areaincluding North York, Scarborough, Etobicoke, Vaughan, Thornhill, Richmond Hill, Markham, Maple, Concord, Milton, Mississauga, Brampton, Woodbridge, Oakville, Burlington, and Hamiltonbringing consistent quality and attention to detail to projects of every size and scope. Whether providing day-to-day upkeep or rapid disaster response, SMI delivers reliable, high-quality results grounded in integrity, professionalism, and pride of workmanship.

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