With over 20 years of industry leadership, M William Construction excels in delivering outstanding renovation projects. As your project nears completion, you and your loved ones will witness our team’s dedication and professionalism, always prioritizing your satisfaction and the well-being of your home or commercial space.

We are a one-stop shop for all your contracting needs, including wine cellar renovations. There’s no need to go to another contractor—we handle everything. Plus, we offer a full range warranty that surpasses industry standards.

We are ready to work seamlessly with your chosen designer or architect. If you haven’t selected one yet, we’re happy to provide recommendations.

Currently, we specialize in renovation projects with budgets over $50,000. Whether you’re planning a basement makeover, an addition, or a complete main floor renovation, our team is here to support you. We take pride in collaborating with Ottawa’s top tradespeople, all meeting the city’s stringent qualification standards to ensure the highest quality of workmanship.


Want to

know more?

Take a look through some of our past projects in the Ottawa area.