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We are driven to truly understand and define the soul of a project, and never rest until we have found the ideal solution – one that allows the end-users of our buildings to naturally become a part of their new space while being liberated by it. Our principles promote the transformation of the human environment in a thoughtful way and we believe the key to that success is based on these key qualities:

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We empower and enable you throughout our design process. It’s how we intimately extract the true essence and needs of a project.

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Calm and In Control

We are calm and in control, always approachable and reassuring. While we are friendly and accommodating. We bring an incredible work ethic and dedication to your project.

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Humble and Passionate – We Love What We Do

We put our egos in check to really drill down to your needs and deliver democratic results. Our team is always having fun and leading with a sense of humour. Reducing your stress makes the process enjoyable for everyone.


Meet the amazing team of individuals who make KMAI such a fun and inspiring place to work.


In addition to architectural and interior design services, Kearns Mancini provides complete project leadership from project management and visioning, heritage impact statements, documentation, municipal approvals, tendering and contract administration. We are capable of providing in house 3D laser scanning capabilities to create accurate as-built documentation if as-built documentation does not exist.

List of Services

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Although we measure our success by our clients’ satisfaction and how occupants interact with the spaces, we never cease to be amazed when honoured with an award. To be recognized by your peers is truly humbling.

Cultures and Values

Kearns Mancini Architects pursues challenging projects, aiming to understand, resolve and contextualize new architecture through innovative methods. The team shares a common philosophy that is based on environmental and convivial values.

Through practicing architecture, they collaborate with their clients to propel urban development’s forward, improving lives of the people through intelligent change. The firm remains informed on leading-edge sustainable technology – both passive and active – to keep their work effective, diverse and innovative.

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Committed to making a meaningful impact on the built environment? We want to hear from you.

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Working with your team has been an unmitigated joy. Their creative imagination, professionalism and goodwill made for a harmonious working relationship the results of which I get to enjoy every day. We are thrilled with the outcome of their work and very proud of what we were able to "concoct" together.

Dr. Gerd Hauck

Director of the REAL Institute

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We consider Kearns Mancini Architects to be the leading Passive House architectural firm in Ontario.

Andrew Arifuzzaman

University of Toronto Scarborough Campus, Chief Administrative Officer

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The Canadian Canoe Museum defers to the landscape and the need to integrate with it, as opposed to standing out like a Bilbao. It’s not architecture as an object, but rather architecture linked to experience. The most significant thing beyond the integration in the landscape is the experience from within, and how the museum frames the view to the outside. It’s a very soft and generous approach to building.

Manon Asselin

Official Juror, Canadian Architect 2016 Awards of Excellence

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We're living in a time of incredible consumption, and everything's about economics and everything's about cash flow, and I think Jonathan Kearns has an ability to stand away from that stuff and feel something that motivates him. He's motivated to do his work in a way that I think a lot of architects and a lot of designers aren't. What I'm saying is that he's got a depth of emotion and feeling, and it comes out.

Bruce Kuwabara

Chair of the Board of Trustees, Canadian Centre for Architecture

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I have had the pleasure of working directly with Kearns Mancini Architects on the University of Toronto's Micro-Satellite and Technology Centre. I am happy to provide a positive review of their incredible work. I highly recommend Kearns Mancini because of their high-quality service to clients, design prowess and project management skills.

Dr. Robert E. Zee

Director, Space Flight Laboratory (University of Toronto Insitute of Aerospace Studies)

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Kearns Mancini Architects is an effective problem-solving team with positive project management skills carried out by their cohesive team of experts. Their attention to detail and knowledge of local school cost/schedule framework has always delivered effective benefit to our Board. Moreover, the quality of Design of this architectural group is outstanding.

K.J. Cochrane

Chief Architect, TCDSB

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