We handle everything from high-rise glass to grounds, pressure washing, and seasonal care, plus the technical work behind it. With a single SOW, unified KPIs, and 24/7 NOC support, you get one point of contact for all sites.
We handle everything from high-rise glass to grounds, pressure washing, and seasonal care, plus the technical work behind it. With a single SOW, unified KPIs, and 24/7 NOC support, you get one point of contact for all sites.
Storms, pollen blooms, construction dust, and graffiti; building exteriors take the hit first. Our NOC monitors conditions, prioritizes hazards, and dispatches the nearest crew. Voila fills shifts fast; your on-call plan is pre-loaded in the work order for immediate action.
Our teams use certified high-reach methods to clean façades and other exterior surfaces, perform detailed building envelope inspections, and service exterior lighting fixtures.
By combining cleaning and maintenance in one visit, we help you reduce costs, minimize disruption, and keep your building looking and performing at its best.
Cleaner grounds, cleaner glass, lighter footprint.
Our teams take environmental responsibility seriously. We employ eco-friendly cleaning practices, MonoPODS concentrates, RO/DI water-fed poles, and route optimization to reduce chemical, packaging, and fuel use, while adhering to ISO 14001 environmental controls.
From FAA/ICAO ramp safety to SQF/BRCGS/FSSC 22000 hygiene compliance, we tailor exterior programs to your sector’s regulatory demands, so your exterior care meets both aesthetic and operational standards.
GDI Ainsworth offers commercial window cleaning and outdoor building maintenance services in North America for offices, hospitality venues, healthcare facilities, schools, and much more. We ensure clean, safe, and inviting exteriors for commercial properties of all kinds, delivering reliable results for every industry.











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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.