Commercial cleaning, janitorial and technical services across Toronto and the GTA.
From the Financial District and the PATH network to the Entertainment District, the University of Toronto campus, and the Toronto General Hospital area, our teams keep the city’s most recognizable spaces running smoothly.



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Our janitorial services maintain daily cleanliness and hygiene with efficient scheduling, trained crews, and quality checks that protect your reputation.
Office cleaning teams keep workspaces productive and welcoming through consistent care, flexible hours, and attention to detail in every area
We protect your surfaces from wear, enhance safety, and extend the life of your investment with advanced floor and carpet cleaning solutions.
Disinfection services are performed with precision and care, using proven methods and technology to reduce risk and promote healthier workplaces.
Our window washing and outdoor building maintenance crews ensure a clean, professional appearance while safely managing high-access and exterior challenges.
We coordinate cleaning, maintenance, and repairs under one Integrated Facility Services offering, simplifying operations and improving consistency across every property.
Mechanical and HVAC solutions manage heating, ventilation, and cooling systems with precision maintenance, energy optimization, and rapid response.
Our licensed teams provide safe, compliant, and efficient electrical services, from power distribution to system upgrades and preventive inspections.
We design, install, and support building automation systems that enhance control, lower energy costs, and improve operational transparency.
With a century of dedicated industry experience, GDI Ainsworth’s teams are dedicated to delivering consistent, high-quality service backed by national resources and local accountability.
Choose the right partner for your facility’s needs. Our Toronto team provides integrated cleaning and technical maintenance programs tailored to your operations. To learn more or start a customized plan, contact us today.
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Local Experts
Regional Experts
Local Experts
Anne Nicholson
Director of Operations
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Calen Sansom
Director of Sales
Regional Experts
Marco Ottavino
SVP Eastern Canada
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Randy Carr
SVP Service & Maintenance
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Randy Topp
SVP Energy Services