General Contractor Professional
Duo Building Ltd
London, ON
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Verified Listing1 Credential Verified
0out of 100
ProScore
+7 over 1 mo
4.5★ Google|1/4 Sources
This score reflects 25 verified reviews, licensed and verified.
How is this calculated?About Duo Building Ltd
AI-generated summary from verified data sources
Based in London, Duo Building Ltd is a professional general contractor serving the local area. Their 4.5★ Google rating is backed by 25 customer reviews.
Google
4.5★ (25)
Rated on 1 independent platform
WSIB coverage confirmed
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What Customers Say
AI analysis of 3-4 verified Google reviews
Top Strengths
Exceptional workmanship and attention to detail - described as having 'exceptional knowledge, workmanship and eye for details'
Creative design and planning - 'provided detailed and creative plans' with ability to understand client needs
Well-organized project management - clients noted projects were 'well organized' with knowledgeable and efficient employees
Areas to Watch
Poor initial communication responsiveness - one client reported waiting three weeks without response to email and phone inquiries
Inconsistent communication follow-up despite owner's claimed July 23rd outreach
Performance Breakdown
✨ Quality4.8
💬 Communication2.5
👔 Professionalism4.5
⏰ Reliability3.5
🎓 Expertise4.7
workmanshipdesign qualityproject organizationattention to detailcommunication gaps
Ratings Across Platforms
Aggregated from independent sources. Only ProScore shows all.
G
Google
4.5/5
H
Review Site B
B
BBB
T
Review Site C
The ProScore Trust Score aggregates ratings from all verified sources, weighted by review volume, recency, and platform credibility.
Things to Know
Well Reviewed
4.5 star average on Google with 25 reviews.
WSIB Verified
Workplace Safety and Insurance Board coverage confirmed — you're protected.
Google Review Breakdown
25 total5
21
4
1
3
0
2
0
1
3
Featured Review
Verified review from Google
“
Amazing, stunning, beautiful are the words coming to my mind when I step through my front door. It looks like a picture out of a magazine. Duo Team you have done an outstanding job from design to finish Many thanks to John & Erin for the help and guidance through the many selection I had to make. A special "thank you" to Spencer whose knowledge, workmanship and eye for details are exceptional. Also thanks for the laughs and keeping my house clean throughout the renovation. Many thanks from a
E
Erika Palme
Google Review
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Homeowner Guides
Frequently Asked Questions
Is Duo Building Ltd licensed?
Licensing status has not been verified for Duo Building Ltd. Contact them directly to confirm current credentials before hiring.
Does Duo Building Ltd have insurance?
Yes, Duo Building Ltd has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.
What is Duo Building Ltd’s rating?
Duo Building Ltd has a ProScore Trust Score of 55/100 (Good), calculated from 1 verified data source including 25 Google reviews.
Where is Duo Building Ltd located?
Duo Building Ltd is a general contractor serving London, Ontario. You can reach them at +1 519-434-0960. View their full profile on ProScore for verified reviews and credentials.
Data Transparency
SourcesGoogle, multiple verified platforms
Last updated2026-05-06
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Checked by ProScore
What is the ProScore?
The ProScore aggregates ratings from multiple review platforms into a single score from 0 to 100. Unlike platforms that show only their own reviews, the ProScore gives you the complete picture. Scores are capped for providers with limited source verification.
≥82
Elite
≥70
Trusted
≥55
Good
≥30
Basic
<30
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