Gnuco Inc.
RoofersSpecialty contractors
Call · 514 566-3346RBQ data dated November 4, 2026: 14 companies active in Saint-Lambert for roofing, doors and windows or finishing work. 4 (29%) have held their licence for 10 years or more, the oldest since 1998; none got its licence in the last 90 days. Close by: Montréal (1,703).

RoofersSpecialty contractors
Call · 514 566-3346Specialty contractors
Call · 450 465-6324RoofersSpecialty contractors
Call · 514 891-7351Looking for a specialty contractor in Saint-Lambert? 11 of the 14 companies on the list work in this trade only; the others are also listed in other trades: roofers (2) and painters (1).
In the Montérégie region, 3,043 companies work in this trade across 146 cities; Saint-Lambert has 14 of them (54th).
Useful guides: Replacing exterior siding: permits in Montréal and Laval · Gutter cleaning and downspouts: Montréal rules · Radon test at home: when to test and how to fix it
Open data of the Régie du bâtiment du Québec as of November 4, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Specialty contractors in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a specialty contractor in Saint-Lambert: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →