Convexe Entrepreneur Général inc.
Concrete and foundations
Call · 514 347-0703RBQ data dated November 4, 2026: 2 companies active in Saint-Mathias-sur-Richelieu for concrete or foundation work. 1 (50%) has held their licence for 10 years or more, the oldest since 1990; none got its licence in the last 90 days. Close by: Belœil (12), Longueuil (31) and Sainte-Julie (10).

Concrete and foundations
Call · 514 347-0703Renovation, construction and general workConcrete and foundations
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Montréal 296Belœil 12Longueuil 31Sainte-Julie 10Brossard 22Boucherville 10Repentigny 26Terrebonne 36Laval 118L'Assomption 10Mascouche 19
Looking for a concrete and foundation contractor in Saint-Mathias-sur-Richelieu? This page lists the 2 companies in Saint-Mathias-sur-Richelieu that hold an active RBQ licence for concrete or foundation work, according to public RBQ data dated November 4, 2026.
In the Montérégie region, 416 companies work in this trade across 93 cities; Saint-Mathias-sur-Richelieu has 2 of them (55th).
The choice is limited in Saint-Mathias-sur-Richelieu. Companies from nearby cities in the region, such as Montréal (296), Belœil (12) and Longueuil (31), may also serve your area: ask them.
Useful guides: Pyrite under the slab: signs, SPPI index and BNQ standard · Digging and retaining walls: locate request and permits · 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: Concrete and foundations 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 concrete and foundation contractor in Saint-Mathias-sur-Richelieu: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →