Support presentation, hygiene, and occupant experience with janitorial services, office cleaning, floor and carpet care, disinfection, and exterior maintenance.
Maintain comfort, equipment performance, and system reliability through preventive maintenance, responsive service, diagnostics, and qualified mechanical expertise.
Support safe operations and better system visibility through electrical service, building automation, controls, and connected building solutions.
Beyond cleaning, our technical experts support HVAC systems , lighting, and building infrastructure to maintain comfortable temperatures, healthy indoor air, and well-illuminated retail spaces—helping retailers protect merchandise, enhance the shopping experience, and keep stores running smoothly year-round.











From office towers to retail complexes, commercial properties require reliable service partners who understand the stakes. GDI Ainsworth delivers Integrated Facility Services that protect your investment and enhance tenant satisfaction.
Emergencies don’t wait for business hours. That’s why our National Operations Centre operates 24/7, with dispatch capabilities across North America.
The result is minimized downtime, rapid issue resolution, and fewer tenant complaints.
ISO 9001 and ISO 14001 certifications ensure consistent service quality and environmental responsibility. Our S.A.F.E. workplace culture and comprehensive insurance protect your property and reputation.
Our services are tailored to meet your commercial property’s unique needs, delivering clean, efficient, and reliable building operations across North America. Contact us today to discover how our cleaning and technical solutions can support your business with comprehensive facility management.
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A century of experience
A future of innovation
GDI's Story Begins
Robertson Janitorial Ltd. began as a small, reliable cleaning service supporting Quebec City’s growing economic landscape. With a focus on consistency and care, the company steadily grew.
Ainsworth is Founded
Brothers F.C. and C.J. Ainsworth establish an electrical services company that grows into a technical services leader.
Two Leaders Join Forces
GDI acquires Ainsworth, bringing facility and technical services together in one North American organization.