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Overview
Lemay designs living and working spaces through architecture, interior design, and master planning to help clients grow. It turns ideas into places via a collaborative design process from briefing to delivery, with a strong focus on sustainable performance. The firm differentiates itself with a formal commitment to sustainability—carbon-neutral offices, a Net Positive program, EP100 membership, and recognition like Deloitte Best Managed and the Platinum Club—along with a global, long-standing reputation. Its goal is to reshape the future by creating places that support people and communities while reducing environmental impact.
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Simplify's take
What believers are saying
- Lemay ranked among Canada's top four firms and number one in Montréal in 2026.
- EY named Louis T. Lemay an Entrepreneur Of The Year 2026 winner.
- Fusion Énergie and FLDWRK widen services into decarbonization and research-led innovation.
What critics are saying
- CEBRA integration can distract leaders and trigger client churn through 2027.
- Lemay's prestige depends on award cycles; weak delivery would blunt brand momentum.
- Large public projects expose revenue to procurement delays at YUL, REM, and Montréal agencies.
What makes Lemay unique
- Lemay combines architecture, urbanism, landscape, and sustainability across four continents.
- Its CEBRA merger adds Scandinavian design depth without erasing Lemay's Montréal base.
- The firm wins marquee civic projects, including YUL P4 and Saint Joseph's Oratory.
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