The building industry sees increased risks in the face of climate change, contributing to nearly half of the nation’s CO2 emissions.

At mcCallumSather, we recognize this, ensuring not only that our designs function as … read more

We celebrated the grand reopening of the newly renovated Hamilton Public Library Locke Street branch on Saturday 2nd March. The party kicked off at 10am with Ward 1 Councillor, Maureen Wilson, followed by a cake-cutting … read more

Greg founded mcCallumSather with Joanne McCallum in 1996. Sustainability was a key principal in Greg and Joanne’s vision for the firm and has been incorporated into all elements of the business. Over the years, Greg’s passion for sustainability and his drive to ensure the firm never lost focus … read more