Tiree is a leading professional services company specializing in comprehensive advisory, project management, and security solutions. Our expertise is in leading the successful delivery of complex building and infrastructure projects from the very beginning to the very end. 
 
For more than two decades, Tiree has been partnering with ambitious clients to drive change in the built environment, making a significant and lasting impact on communities both in Ottawa and around the globe. Our commitment to excellence is evident in our track record: our multidisciplinary team, comprising of seasoned advisory, project management, and security experts, has successfully managed and delivered over $50 billion in construction value.

Construction

Professional Services

Project Management

Security

Tiree

Mark Leblanc

Lisa Anderson

Catherine Jenkins

Melissa Moffitt

Mathieu Leduc

Paul Knowlton

Tiree

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Tiree

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