Clear Vision. Strong Communities. Built On Trust.
For more than 60 years, McGill Group LTD has been helping businesses throughout Southern Ontario maintain clean, professional, and welcoming properties. What began as a small family business has grown into a trusted commercial window cleaning company serving retail centres, office buildings, grocery stores, schools, healthcare facilities, and property management companies.
While our industry has evolved over the decades, our values have remained the same: deliver exceptional results, provide dependable service, and build lasting relationships with every client.
Our experienced team understands that every property is unique. Whether we're maintaining a single storefront or servicing multiple commercial locations, we approach every project with professionalism, attention to detail, and a commitment to safety.
Today, we're proud to continue the reputation we've built over six decades, providing reliable service that helps businesses put their best face forward.
Clean windows. Professional service. Lasting relationships.
Our Values
Integrity
We do what's right, when nobody is watching.
People First
Our team, our clients, and our communities come first.
Quality
We take pride in our work and never cut corners.
Reliability
You can count on us to show up, follow through, and deliver.
Continuous Improvement
We're always learning, adapting, and finding better ways to serve.
Fully Insured
We are Fully insured, with current WSIB clearance certificates
60+
Years of Experience
Proudly serving businesses across Southern Ontario since day one.
500+
Satisfied Clients
Businesses, property managers, & organizations trust our service.
Wide
Coverage
Serving the Niagara Region and surrounding communities.
High
Standards
Committed to safety, quality control, and industry best practices.
Sustainable
Practices
Environmentally responsible solutions whenever possible.
Our Commitment to You
We know your property is a reflection of your business. That's why we're committed to delivering consistent results, clear communication, and service you can count on every time.
We don't just clean windows—we help you make a lasting impression.
Why Choose McGill Group LTD
Family values. Professional standards.
Decades of experience and industry expertise.
Customized solutions for your unique property needs.
Long-term relationships built on trust and results.