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O'Reilly Brothers Ltd

Updated 2026-09-25 · 11,086 reviewed · 460 listed · Scored from 132 Google reviews · How we rank ›

4.9(132) 89 composite score See reviews on Google ✓ Google-verified
Asbestos & Hazmat AbatementCommercial & Industrial DemolitionDemolition ContractorResidential Demolition

Google-verified132 Google reviewssince 1967

O'Reilly Brothers Ltd
Location
Nepean, Nepean
Services
Asbestos & Hazmat Abatement, Commercial & Industrial Demolition, Demolition Contractor
Reviews
132
Ranking
#7 in Asbestos & Hazmat Abatement
Best for
homeowners in new builds or retrofits valuing clean, professional work and expert follow-up.

Core details are sourced from this business's Google Business Profile (checked 2026-09-25). Website-sourced details were fetched 2026-09-25.

What recent reviews say

Crews arrive on schedule, leave homes cleaner than they found them, and handle tricky access with care. Staff like John, Pat, Blake, Mike, and Nelson are repeatedly named for courtesy and expertise. One reviewer waited weeks for a callback, but most praise rapid response, fair quotes, and willingness to solve problems that arose after jobs were done, including mould remediation and plumbing repairs not originally in scope.

Praised for
  • on-time arrival and punctuality
  • clean, tidy work sites
  • professional and respectful crews
  • expert knowledge and honest advice
  • standing behind work and handling issues
Watch-outs
  • slow follow-up on initial inquiry
punctualleft-site-cleanskilled-crewprofessional-crewresponsive-quoteson-time-completionfair-pricing
Best for: homeowners in new builds or retrofits valuing clean, professional work and expert follow-up.
Think twice if: initial contact response can be slow during busy periods.

Where this business shines

  • crew arrives on time and leaves site cleaner than they found it
  • subject-matter experts answer technical questions
  • stands behind work with follow-up repairs
  • fair pricing with rebate program awareness
  • intumescent paint services most competitors don't offer

Worth knowing

  • Staff named: John, Pat, Blake, Mike, Nelson, André Marcoux
  • company has been operating since 1967 (per their website)
  • member of Ottawa Construction Association, Better Business Bureau, Urethane Foam Consultants
  • followed up on a 2019 attic job in February 2026 to address minor issue without hesitation
  • mould remediation included plumbing repair and floorboard replacement outside original scope
  • Enbridge rebate program awareness and processing handled promptly
  • technical expertise available for consultation calls
  • before-and-after photos provided on request

What reviews say by service

Residential Demolition
reviews centre on insulation, foam, and mould removal; no wall or building demolition mentioned
Asbestos & Hazmat Abatement
website lists asbestos removal and mould remediation; reviews confirm mould remediation and radon services delivered with care and scope expansion when hidden damage found
Commercial & Industrial Demolition
no commercial or industrial demolition work evidenced in reviews

How it compares

  • Rated 4.9 against a 4.75 average across the 120 asbestos & hazmat abatement businesses listed here.
  • Has more Google reviews than 97% of the businesses in this directory.

What earned this score?

How We Rank
Star rating 91
Review volume 92
Review recency 100
Review sentiment 75
Profile completeness 100
Verification 30

Rating breakdown

5
126
4
1
3
1
2
1
1
3

Common questions

Will they handle mould found during work, even if it was not in the original estimate?
Yes. One reviewer had O'Reilly Brothers discover and remediate mould and a plumbing leak during foam removal, including lifting flooring and replacing boards, at no mention of extra cost.
Do they help with government rebate programs?
Yes. They made a customer aware of Enbridge rebate eligibility, helped them get approved as a contractor, and processed the rebate promptly.
Can they handle difficult site access or work around obstacles?
Yes. Reviews describe successful spray foam work in tight attic spaces, rim joists with obstruction, and cottage walls with tricky access.

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Last updated 2026-09-25