The art of the considered renovation.
A family-run general contractor entrusted with Ottawa's finest homes and heritage landmarks — where craftsmanship, restraint and communication define every project.
Begin an enquiryA restored heritage residence, Old Ottawa South.
Founded in 1989. Guided by one hand.
Pierre Sirois began with landscaping and basement renovations and grew Sirois & Sons into one of Ottawa's most trusted general contractors. He remains your single point of contact — at meetings, with trades, over drawings — so the work proceeds with clarity from first sketch to final detail.
We accept a limited number of commissions each year. It is the only way to give each the attention it deserves.
A complete practice.
Renovations
Kitchens, bathrooms and basements, composed for the way you live.
Additions
New volume joined to the original home with quiet precision.
Heritage Restoration
The Brule House, Centre Block of Parliament, the oldest house in Ottawa.
Barrier-Free Design
Accessible spaces conceived with dignity and grace.
Special Projects
Structural works, water features and the singular commissions.
"Their attention to quality and detail was amazing."
A portfolio, quietly.
Cedar addition & terrace
Floating stair
A living room
In their words.
Their project management is exceptional, consistently creating the highest quality homes.
Delivered on time, with weekly updates and problem solving.
The ones we immediately contact to fix the problem.
A high level of craftsmanship and professionalism that set them apart.