Your project deserves quality materials, expert craftsmanship and results – on budget and on time.

About Us

J.A. Macdonald Ltd. has worked with Developers, General Contractors and Owners for nearly 60 years, earning a reputation for quality and safety along the way. Located in London, Ontario, J.A. Macdonald serves an area bounded by Owen Sound to the North, Mississauga to the East, and Windsor to the West.

As a family-owned business, J.A. Macdonald is dedicated to customer satisfaction. Our unionized workforce has consistently maintained a strong safety record, and it is due to our highly-trained staff that we are regarded as leaders in our field.

Our Tools

J.A. Macdonald has the materials, the workforce and the experience to accommodate a variety of projects, from renovations to new construction. Our quoting and production process is driven by OnCentre Software’s suite of applications for contract estimates and effective workforce management. The result is an accurate estimate, and a project that is completed on time and on budget.

Our Team

We have an experienced team of highly-skilled experts that provide quality work and drive efficient processes. We have extensive on-the-job experience, industry-recognized certifications. We also engage in continuous training (e.g., Fall Arrest, WHMIS, new equipment) and professional development.

Our staff members are equipped to handle all kinds of construction projects, making sure we source the right materials for the project and schedule it within your budget.