MGL&DJ is a trusted residential window and door installation company serving homeowners and builders across Ontario. With over 20 years of hands-on experience, we specialize exclusively in full-house window and door installations for residential homes—from new construction to complete home renovations.

Our focus is simple: houses people live in. We do not take on commercial projects. By concentrating solely on residential properties, we deliver consistent, high-quality installation results tailored to modern homes, renovation projects, and large-scale residential builds.

Over the years, our team has successfully completed installations on more than 15,000 residential properties, earning a reputation for precision, reliability, and clean professional workmanship.