General Contractors Proudly Serving the Construction Demands Across Ontario
Since 1987
Since its inception, JJ McGuire has achieved a proud reputation in client relations focused on completing the highest quality of work, on time and within budget to the satisfaction of our clients.
Our services include general contracting, construction management and design-build services focusing on a comprehensive range of projects and scopes. Our recent volumes of construction completed in 2017 exceeded $80 million and our current bonding capacity is $75 million.
Our portfolio covers a broad range of sectors within the construction industry. This includes industrial, commercial, institutional (I.C.I.), automotive, government, infrastructure, entertainment, recreation and multi-use seniors residences.
Today, JJ McGuire is recognized as one of the largest general contractors in Durham Region. Our established success and continued growth in completing large, diverse and complex projects are attributed to our team approach and the ability to easily reach the highest levels of management at all times. Our partners are involved in all aspects of our projects and daily operations.
JJ McGuire Featured Projects

Ritson Road Affordable Housing
Mahogany Management Architect
Nick Swerdfeger Architect Project ...
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JJ McGuire is a proud member of the following organizations:
- Certificate of Recognition – (COR)
- Industrial Services Networld (ISN)
- Ontario General Contractors Association
- Toronto Construction Association
- Durham Construction Association
- Peterborough Construction Association
- Oshawa Chamber of Commerce
- Contractors Labour Relation Association of Ontario
- Central Ontario Contractors Association