J.J. McGuire’s personalized approach to project delivery helps our clients succeed. For 40 years, we have continued to build on our founding principle – build long lasting relationships through exceptional work and personalized project delivery.
J.J. McGuire is a leading construction services firm, delivering projects throughout Ontario and across Canada. As one of the largest construction firms in Durham Region, we are experienced in delivering projects across all sectors, including institutional, municipal and civic, multi-unit residential, commercial, and academic, among others. For 40 years, J.J. McGuire has been recognized for our specialized expertise in building complex, industrial and critical infrastructure facilities for energy, transportation, and automotive. With over 50 construction professionals, project and site leaders, and 100+ team members on site, we deliver annual volumes of construction of nearly $200M under all contract types, including as General Contractor, Design-Builder and Construction Manager.
Led by a team of hands-on Principals, each with more than 40 years’ experience delivering construction projects of all types, J.J. McGuire continues to build on our founding ethos – taking a personalized approach to each project, providing the highest quality work, and delivering successful projects on time and within budget. We are committed to working as a collaborative project partner on every project, taking a best-for-project approach regardless of the project size, type, or contract structure. This approach means that many of our clients, industry partners, and subcontractors return to work with us time and again, trusting the J.J. McGuire team to deliver exceptional project results and outstanding client service.
Our clients include leading globally-recognized firms, private and public sector organizations across Canada, municipalities throughout Ontario, and community-focused members of the Durham Region, such as GM Canada, Ford Canada, Chrysler Canada, TTC, VIA Rail, University of Toronto, Trent University, University of Ontario, Durham College, City of Oshawa, City of Peterborough, City of Pickering, Marigold Hopsice, Durham Region Human Society, and Oshawa Clinic Group, and many others.
Drawing on over 40 years of experience delivering complex construction project, we know that everyone deserves to go home safe, and we build that belief into everything we do. From rigorous training and proactive planning to open communication and accountability at every level, our commitment to construction safety is woven into our culture from the ground up.
We are proud to be an active and trusted member of the Durham Region community, partnering with local organizations, charities and institutions to make a meaningful difference in people’s lives around us. Giving back is not something we do on the side – it is part of who we are.
At J.J.McGuire, we have built a team of skilled construction professionals in Ontario who show up for each other, take pride in their craft and share a genuine commitment to doing things right. We foster a workplace where collaboration, respect and growth go hand in hand – because when our team thrives, so does every project we take on.
Led by experienced Principals with over 35 years in the industry, our leadership team takes a hands-on approach to every project. We focus on delivering high-quality construction, tailored solutions, and successful project outcomes—on time and within budget.
President
V.P. Operations
V.P. Finance
Since its inception, J. J. 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.
Automotive
We have designed and delivered automotive facilities for some of Ontario’s most recognized dealerships and equipment brands such as new showrooms, service centres and full renovations. We provide logistics planning for live operations, enabling works sequencing, corporate brand standard compliance, compressed schedule delivery, and construction management from pre-construction through post-construction.
Industrial
We have been delivering industrial facilities across Ontario for nearly four decades such as warehouses, training centres, mixed-use commercial and industrial developments, and specialized trade facilities. Our industrial projects demand technical precision, an understanding of how the finished building needs to perform, and the ability to manage large, complex sites efficiently.
Institutional
We have been delivering institutional projects across healthcare, education, community services, and heritage sectors for decades, and our portfolio reflects the full range of complexity this sector demands.
J.J. McGuire’s personalized approach to project delivery helps our clients succeed. For 40 years, we have continued to build on our founding principle – build long lasting relationships through exceptional work and personalized project delivery.
