Doors and windows in Greater Montréal
140 RBQ-licensed companies in the region, from the list published on November 3, 2026; the towns are further down.
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Doors and windows: the region’s figures
Doors and windows: 140 companies of the metropolitan region appear in the RBQ data of November 3, 2026, out of 265 across Quebec (53%). This trade ranks 14 of the 15 in our lists for the region.
Replacing windows, an entry door or a patio door changes the comfort and the heating bill of a home. The installer removes the old frame, sets the new unit, insulates and seals around it, then redoes the trim. In heritage areas of Montréal and some towns, the style and colour of front windows may be regulated.
Spread across the region
Where they are based: the Island of Montréal 51, Laval 13, the South Shore 43 and the North Shore 33. Best-served area of the island: Saint-Laurent, with 10; then West Island (9), Rivière-des-Prairies–Pointe-aux-Trembles (5), Saint-Léonard (4) and Anjou (4). Laval and the North and South Shores: Candiac (16), Laval (13), Terrebonne (8), Longueuil (6), Boisbriand (5), Dollard-des-Ormeaux (4), Blainville (3) and Bois-des-Filion (3).
Seniority on the island: 45% of the 51 companies have been licensed for at least 10 years (the longest since 1996), and 0 joined in the past 90 days. The same companies often hold other licences: specialty work (36), renovation (9) and heating and cooling (3). Published phone: 51 of them (51 with a 514 or 438 area code).
Preparing your request
The companies in this list hold subcategory 8 (doors and windows) and doors or windows appear in their name. Ask for a written quote that states the products, installation, finishing and warranty.
Count the openings, measure them roughly, note the type (casement, sliding, hung) and the floor. Ask whether the quote includes removing the old windows, interior and exterior finishing, and the manufacturer’s and the installer’s warranty.
Elsewhere in Quebec: 125 more companies in this trade, by region →