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About us
We Help Roofers Win More Tenders
Stop spending your evenings measuring drawings and second-guessing your quantities. We provide clear, ready-to-use Bills of Quantities (BOQ) prepared with modern estimating tools and real-world construction knowledge.
- Quote Smarter: Access reliable quantities that reduce pricing errors and material waste.
- Fast Turnaround: Most roofing estimates are delivered within a few working days.
- Stay Competitive: Submit stronger tenders that are realistic and practical to deliver.
Build for Roofers who want to win
Ready to use reports
Detailed Bills of Quantities (BOQ’s) for Professional Roofers
Our detailed estimation reports cover every component required for a complete roofing scope, ensuring there are no hidden gaps in your pricing:
Main Components
Rainwater Systems
Finishing the Details
Allowances
Penetrations
What Our Customers Say about Us
“Before working with Big Estimate, I used to spend 2-3 days a week on take-offs… they now handle not only tendering, but also payment claims and pricing strategies. This has freed me up to focus on project management and grow our business.”
Jonathan Makuch, Managing Director, Makuch Roofing.
Features
Tailored QS that works for you!
100% Satisfaction
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Upfront Pricing
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Dedication
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24 / 7 Emergency
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Quality Workmanship
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Safety Commitment
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Latest news
Blog
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