Ivy Studio is shaping Montreal's visual identity from the inside out

Always in collaboration with local craftspeople, this nimble design firm creates immersive commercial spaces designed for that ineffable 'wow' factor.

Lili Monette-Crépô

November 20, 2025- Read time: 7 min

Clockwise from top left, the cofounders of Ivy Studio: Gabrielle Rousseau, Philip Staszewski, Guillaume B. Riel, and David Kirouac. | Photography by Alexa Kavoukis / @alexa.kavoukis

"Montreal's a city that we love so much," says Ivy Studio cofounder Philip Staszewski. ‘‘We travel a lot, but every time that we come back, we’re happy to be home. It has a soul, it has an identity, it’s unique in North America, and it has a lot of creativity.”

Founded in 2018 by four young partners, creative firm Ivy Studio specializes in customized architecture and interior design. Cofounders Guillaume B. Riel, David Kirouac, Philip Staszewski, and Gabrielle Rousseau—the latter two also a couple since university—cut their teeth working at different firms, which helped inform their individual and collaborative skillsets. Gabrielle worked for Zébulon Perron, Guillaume for Pierre Thibault, David for Sid Lee Architecture, and Philip for Laurent McComber.

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