Residential and commercial excavation in Laval, Montreal and on the North Shore.
Before you think about asphalt, unistone or a swimming pool, it all starts with a good excavation. It's the foundation that ensures soil stability, water drainage and the durability of your outdoor work.
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Excavation for every type of site
Every excavation project is unique. Group A1 adapts its methods and equipment to your needs. With a qualified team and a full fleet of heavy machinery, we ensure precise, safe and durable site preparation, whatever the size of the job.

Residential excavation

Commercial excavation

Institutional excavation

Multi-housing excavation
Excavation for all your needs
At Groupe A1, excavation is always seen as a key stage in a larger project. Thanks to our fleet of 26+ heavy-duty machines and a skilled in-house team, we prepare the site with precision to ensure impeccable results.
Excavation for asphalt
Excavation for interlocking paving stones
Why choose Group A1?
Choosing the right partner for your excavation work means guaranteeing the success of your entire outdoor project. With Groupe A1, you benefit from a complete in-house team, with no subcontractors, equipped with 26 modern heavy-duty machines and 55 vehicles. Each site is managed by experienced, RBQ- and CCQ-trained foremen, who treat each project as their own.
Fast, transparent bidding
Work carried out to the highest professional standards
2-year warranty
Impeccable excavation service.
At Group A1, every project begins with meticulous site preparation, carried out with our own heavy machinery and an experienced team. Whether it's for an asphalt driveway, a pool surround or complete landscaping, excavation makes all the difference between a result that lasts and one that deteriorates quickly.






Group A1 serves Laval and the surrounding area within a radius of around 30 km.
Located a little outside? Contact us. Depending on the type of project, we can accommodate you.
A few words from our customers
Our excavation process
1. Contact us
2. On-site assessment
3. Quick quote
4. Site planning
5. Excavation and construction
6. Follow-up and warranty
FAQ about excavation
Do you only offer excavation?
No. Excavation is always carried out as part of a complete project: asphalt, unistone, concrete, swimming pool or landscaping. This ensures optimum quality and durability.
How much does an excavation project cost?
Prices vary according to area, depth and soil type. Our detailed quotes are free of charge and prepared within 48 hours to give you a clear idea of costs.
How long does the work take?
Most residential or commercial excavations can be planned in 2 weeks and executed quickly. Our in-house teams and modern fleet of machinery enable us to meet your deadlines.
Do you operate in Montreal and on the North Shore?
Yes, our teams cover Laval + 30 KM, Montreal, Terrebonne, Blainville, Boisbriand, the Laurentians and the entire North Shore.
Do you offer a warranty on your work?
Yes, all our preparatory work is covered by a 2-year warranty on associated services (asphalt, unistone, concrete, swimming pools).
What happens if something unexpected happens during excavation?
Our experienced team leaders assess the situation and contact you immediately. With our expertise and machinery, we tailor the solution to keep your project on track.
