Our History

O.N. Site Construction Inc. was founded with a commitment to building lasting relationships and quickly earned the trust of clients such as TD Bank, Pizza Hut, KFC, and FedEx.

Opened our first official office in Oakville, Ontario, creating a collaborative space to support continued growth.

Completed our first out-of-province projects in Manitoba, marking the beginning of our national reach.

Established a new partnership with BMO, enhancing our national portfolio in the financial sector.

Expanded our Oakville head office to accommodate a growing team and increasing project volume.

Pioneered accelerated shutdown projects with CIBC, streamlining timelines for clients with minimal downtime.

Celebrated a decade of achievement and were recognized as one of Canada’s Top 5 Contractors Under 50 Employees.

Donogh Hanley joined German Neglia as partner to continue driving growth and operational excellence while maintaining O.N. Site’s core values.

Opened regional offices in British Columbia and Saskatchewan to better serve our national clients.

Grew our national client portfolio and our financial industry base with the addition of RBC and Canadian Western Bank as clients.

Further expansion of our head office to support growing operations while maintaining exceptional service levels.

Entered new markets, including industrial, and media production sectors.

Recognizing the diverse background of our ownership, we achieved CAMSC (Canadian Aboriginal and Minority Supplier Council) certification, reinforcing our commitment to diversity and inclusion.

Expanded our presence in the finance, healthcare, and hospitality sectors across Canada, with key clients including National Bank, Jack Nathan Health, Fraser Health, and A&W.

Achieved Passive House certification and completed several landmark projects, further demonstrating our commitment to sustainability and innovation.

Kicked off our 20th anniversary by opening a new office in Calgary, marking an exciting milestone in our continued growth. Thank you to our incredible team whose dedication and hard work made it all possible.