Building the future since 2005

At O.N. Site Construction Inc. we specialize in commercial fit-out construction across Canada, transforming spaces from coast to coast with precision and purpose.

Accreditations and Certifications

LEED

CAMSC Supplier

WELL

Passive House Logo

Passive House

Our Expertise

Renowned for exceptional quality and customer service, we deliver top-tier projects across a wide range of sectors—on time, on budget, and through various delivery models.

Construction Management

General Contracting

Design – Build