Professional Construction & Renovation in Thunder Bay
Exceptional service, fair pricing, and premium craftsmanship for residential and commercial projects of all sizes.
Licensed & Insured
Fully licensed and covered for your complete peace of mind.
Locally Owned & Operated
Proudly serving Thunder Bay and surrounding areas with local expertise.
Free Consultations
No-obligation consultations and detailed written estimates for your project.
Residential & Commercial
Professional construction and renovation services for homes and businesses.
Why Grand Contracting?
We don't cut corners. When it comes to your home or business, experience, proper licensing, and disciplined execution matter.
As a locally owned and operated company, our reputation in Thunder Bay depends on the longevity of our work. That's why we use premium materials, licensed trades, strict safety protocols, and professional project management on every job site.
Our Services
Complete construction, renovation, and repair services for residential and commercial properties.
Residential Renovations
Complete home transformations delivered with premium craftsmanship and clear communication.
Exterior & Structural
Weather-tight exteriors and structural work engineered for the Northern Ontario climate.
Specialized Services
Commercial projects, garages, carpentry, and outdoor living spaces built to last.
Project Support
Permits, planning, and full project management handled by our team.
Start Your Project
Every project begins with a free consultation. Tell us what you're planning and we'll provide a clear, written estimate.
The Grand Process
Systematic, professional, and transparent from start to finish.
Consultation & Site Assessment
We meet with you to understand your goals, assess your property, and identify the right approach for your project and budget.
Detailed Estimate & Planning
You receive a transparent, written estimate covering scope, materials, timeline, and pricing — plus permit handling where required.
Construction & Project Management
Our licensed and insured team executes your project with coordinated trades, quality materials, and regular progress updates.
Final Walkthrough & Warranty
We complete a detailed final inspection together, ensure every detail meets the Grand Quality standard, and stand behind our workmanship.
What Our Clients Say
What clients value about working with Grand Contracting.
Grand Contracting renovated our kitchen and the result is stunning. The crew was professional, the schedule was clear, and the finish quality exceeded our expectations.
They handled our basement waterproofing and foundation repair start to finish. Honest assessment, fair price, and the basement has been completely dry ever since.
From permits to the final walkthrough, everything was managed for us. It is rare to find a contractor this organized and this easy to communicate with.
Request an Estimate
Connect with our team to schedule a free consultation for your construction or renovation project. Transparent pricing, professional service.