General Contractor Professional
Keystone Contracting INC
Mississauga, ON
Compare with similar general contractor providers in Mississauga →Verified ListingServing Mississauga & area
0out of 100
ProScore
+8 over 1 mo
5★ Google|1/4 Sources
This score reflects 21 verified reviews.
How is this calculated?About Keystone Contracting INC
AI-generated summary from verified data sources
Based in Mississauga, Keystone Contracting INC is a professional general contractor serving the local area. They maintain a 5.0★ Google rating across 21 reviews.
Google
5★ (21)
Rated on 1 independent platform
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What Customers Say
AI analysis of 3-4 verified Google reviews
Top Strengths
Exceptional attention to detail and high-quality workmanship consistently mentioned across reviews
Strong professionalism and skilled staff with deep knowledgeability
Reliable project completion on time as promised
Performance Breakdown
✨ Quality4.9
💬 Communication4.7
👔 Professionalism4.9
💰 Value4.5
⏰ Reliability4.8
🎓 Expertise4.8
professionalon timequality workmanshipknowledgeablereliable
Ratings Across Platforms
Aggregated from independent sources. Only ProScore shows all.
G
Google
5/5
H
Review Site B
B
BBB
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Review Site C
The ProScore Trust Score aggregates ratings from all verified sources, weighted by review volume, recency, and platform credibility.
Things to Know
Highly Rated
Consistently rated 5 stars across 21+ Google reviews.
Google Review Breakdown
21 total5
21
4
0
3
0
2
0
1
0
Featured Review
Verified review from Google
“
Keystone Contracting Construction Company delivered outstanding results from start to finish. Their team was professional, reliable and very knowledgeable.The project was completed on time with great attention to detail and high-quality workmanship.Communication was clear throughout and they made sure everything was done exactly as promised. I am extremely satisfied with their work and would highly recommend Keystone Contracting to anyone looking for dependable and top-quality construction servi
K
Khan
Google Review
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Frequently Asked Questions
Is Keystone Contracting INC licensed?
Licensing status has not been verified for Keystone Contracting INC. Contact them directly to confirm current credentials before hiring.
Does Keystone Contracting INC have insurance?
WSIB insurance status is not verified for Keystone Contracting INC. Request proof of workplace insurance and liability coverage before hiring.
What is Keystone Contracting INC’s rating?
Keystone Contracting INC has a ProScore Trust Score of 54/100 (Basic), calculated from 1 verified data source including 21 Google reviews.
Where is Keystone Contracting INC located?
Keystone Contracting INC is a general contractor serving Mississauga, Ontario. You can reach them at +1 548-388-5555. 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
Caution
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