Multi-Platform Reputation
8.5/10
Rated on 2 platforms — Google 5.0, Facebook 5.0; ratings agree
Marieville's trusted residential couvreur, Les Entreprises OSR Collister handles asphalt shingle and metal installation, repair and renovation with experienced crews, reaching from Montréal to Québec.
5★ from 95 Google reviews
Rated on 2 platforms — Google 5.0, Facebook 5.0; ratings agree
Has a working website
Not in the Google Maps local top results
~2.8 years on Google Maps (from total-reviews ÷ monthly rate)
Not on Three Best Rated / BBB
~101 reviews across 2 platforms
Mentions 7 service areas on home page (e.g. laval, montreal, montréal, ottawa, québec)
On 1 extra platforms; reachable by website, phone
1 platforms linked: Facebook · ~6 Facebook reviews
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By Marion Fe on Jun 17, 2026 Verified by Google
I had the shingles replaced and a missing section of guttering added. I chose them because they use top-quality materials and are very competitively priced.
I'm so happy to see that their work is also of high quality. True professionals who work well together. They love what they do.
They left everything incredibly clean. I looked for any remaining nails, which often happens with this type of work, but there weren't any! Wow!
Honestly, I have nothing negative to say; it was an excellent experience.
I recommend them 100%!
By Marion Fe on Jun 17, 2026 Verified by Google
I had the shingles replaced and a missing section of guttering added. I chose them because they use top-quality materials and are very competitively priced.
I'm so happy to see that their work is also of high quality. True professionals who work well together. They love what they do.
They left everything incredibly clean. I looked for any remaining nails, which often happens with this type of work, but there weren't any! Wow!
Honestly, I have nothing negative to say; it was an excellent experience.
I recommend them 100%!
By Michael Barbeau on May 30, 2026 Verified by Google
Exceptional service from start to finish!
I have rarely seen a team so professional, quick, and passionate about the quality of their work. They advised me exactly what I needed, without any pressure, and with clear and honest explanations.
The result far exceeded my expectations. You can immediately see that they are true experts who know their products and genuinely care about their clients.
I recommend them 100%. If you are looking for reliable, efficient, and top-notch service, this is the place to go. You can trust them completely—you won't be disappointed.
Thank you again for this impeccable experience!
By Michael Barbeau on May 30, 2026 Verified by Google
Exceptional service from start to finish!
I have rarely seen a team so professional, quick, and passionate about the quality of their work. They advised me exactly what I needed, without any pressure, and with clear and honest explanations.
The result far exceeded my expectations. You can immediately see that they are true experts who know their products and genuinely care about their clients.
I recommend them 100%. If you are looking for reliable, efficient, and top-notch service, this is the place to go. You can trust them completely—you won't be disappointed.
Thank you again for this impeccable experience!
By André Lebel on May 13, 2026 Verified by Google
We had the roofs of our house and shed done. We are extremely satisfied with the result, the professional work, and the speed. The area was left spotless after the work was completed. We recommend them without hesitation.
By André Lebel on May 13, 2026 Verified by Google
We had the roofs of our house and shed done. We are extremely satisfied with the result, the professional work, and the speed. The area was left spotless after the work was completed. We recommend them without hesitation.
By Ernesto on Oct 3, 2025 Verified by Google
Great work ethics and amazing end result. Job done one day and the no mess left behind . Thank you very much I highly recommend this company .
By Ernesto on Oct 3, 2025 Verified by Google
Great work ethics and amazing end result. Job done one day and the no mess left behind . Thank you very much I highly recommend this company .
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Les Entreprises OSR Collister Inc - Couvreurs Toitures - Marieville 5.0 out of 5.0 based on 95 user reviews.