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With a corporate history dating back to 1946, MartinSimmons Architects Inc. is the longest running architectural firm in Waterloo Region.

Serving Southern Ontario for over 70 years, we provide inspiring architectural and interior design services as well as insightful feasibility studies for a wide range of clients and building types. Our portfolio includes a broad mix of corporate, educational, mixed-use infill, residential, and adaptive reuse developments.

Through leadership and expertise, we help our clients explore the exciting design possibilities of their project. We then transform these unique ideas into solutions that use the latest advances in building technology.

Firm History

Firm History Timeline: 1941 Established as Barnett Rieder Architects; 1958 Barnett Rieder and Hymmen Architects; 1976 Rieder Hymmen and Lobban Architects; 2001 Change to RHL Architects Inc.; 2008 Robertson Simmons Architects Inc.; 2017 MartinSimmons Architects Inc.Firm History Timeline: 1941 Established as Barnett Rieder Architects; 1958 Barnett Rieder and Hymmen Architects; 1976 Rieder Hymmen and Lobban Architects; 2001 Change to RHL Architects Inc.; 2008 Robertson Simmons Architects Inc.; 2017 MartinSimmons Architects Inc.Firm History Timeline: 1941 Established as Barnett Rieder Architects; 1958 Barnett Rieder and Hymmen Architects; 1976 Rieder Hymmen and Lobban Architects; 2001 Change to RHL Architects Inc.; 2008 Robertson Simmons Architects Inc.; 2017 MartinSimmons Architects Inc.Firm History Timeline: 1941 Established as Barnett Rieder Architects; 1958 Barnett Rieder and Hymmen Architects; 1976 Rieder Hymmen and Lobban Architects; 2001 Change to RHL Architects Inc.; 2008 Robertson Simmons Architects Inc.; 2017 MartinSimmons Architects Inc.

Expertise

Architecture

We are passionate about creating spaces that challenge the status quo and are both functional and aesthetically pleasing.

Interiors

Interior design is an integral part of the process in terms of aesthetic appeal, functionality and creating an experience for our clients .

Sustainability

When it comes to design, we always have sustainability in mind while helping our clients meet growing demand for environmental responsibility.

Master Planning

Our work goes beyond four walls – we always make sure that a connection is being made between buildings, social settings, and the surrounding environment.


Leadership

Patrick Simmons

Patrick Simmons

Partner

B.ARCH., M.ARCH., OAA, MRAIC, LEED® AP

With more than three decades of experience, Patrick has contributed significantly to Southern Ontario’s landscape with compelling architectural solutions for a wide range of building types. Forward-thinking clients enjoy his exciting collaborative process that forges design ingenuity in response to demanding challenges and budget constraints.

Patrick’s passion for his craft is evident through his exemplary portfolio of award-winning work and commitment to sustainable practices. He has professional degrees from Carleton University’s School of Architecture and Harvard University’s Graduate School of Design.

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Jason Martin

Jason Martin

Partner

B.ARCH., OAA, MRAIC, LEED® GREEN ASSOCIATE

Jason’s progressive vision and award-winning designs have been advancing the firm’s reputation as a leading architectural practice. With almost two decades of experience and a proven design process based on client engagement, Jason excels in solving complex needs by delivering inspirational solutions.

Since graduating from the University of Toronto’s School of Architecture, his unique style and constant pursuit of design excellence has generated an impressive portfolio of work.

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