
Some local regulations go as far as setting specific quotas for recycled materials for each new construction. While most agencies struggle to adapt, making numerous technical concessions, Cimaise Architectes chooses to turn these challenges into springs of creativity. Even if it means disrupting the established order of the design process. Their recent projects are featured in several European calls for projects focused on sustainability and innovation. The technical and organizational solutions imagined by the agency attract the attention of public and private stakeholders well beyond the building sector.
Cimaise Architectes, at the intersection of innovation and commitment
Founded in 1925 in Saint-Étienne by Mr. Gouyon, the agency has navigated nearly a century of urban upheavals, technical advancements, and societal changes. Renamed Cimaise Architectes in 1965, it now asserts itself as an innovative architecture firm: rooted in the Technopole of Saint-Étienne, but also open to international dynamics, with a notable presence in Paris, Singapore, and Toronto.
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The dual leadership – Gilles Champavert, who initiated the Casino headquarters (2007), and Emmanuel Girerd, co-manager since 2018 – embodies the desire to connect heritage and foresight. Alongside them, a team of 25 to 50 professionals, including notable figures like Marie Durand and Thomas Lefort, both graduates of the École Nationale Supérieure d’Architecture de Paris, as well as Marie Rouvier-Chevalier and Marion Pacalet Pitaval. This diversity of backgrounds fuels a collective attentive to contemporary challenges.
The trajectory of Cimaise Architectes is based on clear choices: seeking sustainable solutions, advanced integration of 3D modeling tools and BIM, use of bio-sourced materials, exploration of bio-reactive facades. The agency frequently organizes conferences, workshops, site visits, or tours of completed buildings to share its culture of innovation and quality work. The expression cimaise architectes on France Immo Express attests to public recognition, distinguishing the agency in the landscape of famous architects in France.
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What truly distinguishes the agency in the contemporary architectural landscape?
At Cimaise Architectes, sustainability is not just talk: it is measured concretely, project by project. The agency systematically embeds its achievements in a dynamic of sustainable development and architectural innovation. Here, it is not about following trends, but about anticipating them, questioning them, and sometimes even challenging them. As early as 2015, the Sustainable Architecture Award highlighted this journey where technique never overshadows meaning, where a sensitive approach to usage shapes every space.
The team relies on 3D modeling, BIM, and artificial intelligence to revisit each phase, from design to building life. No unnecessary gadgets: technology supports the project, never the other way around. The use of bio-sourced materials and the invention of bio-reactive facades reflect a desire to combine environmental performance with creativity. The agency’s sustainability charter, its circularity index, and its carbon offset program structure a demanding approach, from industrial sites to public facilities.
Some concrete examples illustrate this dynamic:
- Grand Prix SIMI 2007: a national recognition for a tertiary operation that sets a benchmark.
- Regular organization of conferences, workshops, and site visits to spread a culture of Architectural Design Thinking.
Research in regenerative architecture, testing solutions with positive impact, cooperation with public and private partners: all these levers make Cimaise Architectes a player that shapes the path rather than conforming to it.

Iconic projects and visions for the architecture of tomorrow
Cimaise Architectes moves forward boldly and methodically, attentive to each context. Founded in Saint-Étienne in 1925, the agency has established itself through achievements that go beyond mere architectural gestures, questioning their influence on the city or landscape. The Bordeaux Media Library exemplifies this: mastery of natural light, structural sobriety, and a friendly urban space. In Lyon, the Hélix Tower embodies ecological verticality, with its bioclimatic facade, intelligent energy management, and careful integration into the urban fabric.
Here are some references that structure the agency’s identity:
- The Capucins Market in Bordeaux and the Digital Campus of Sophia Antipolis demonstrate how innovation is embedded in daily life.
- The conversion of industrial sites, such as the pilot helium production unit in Nivernais, showcases the ability to blend the memory of the place with emerging technologies.
International openness is not just a slogan, but a practice: offices in Singapore and Toronto, eco-responsible neighborhood projects where circular resource management structures the entire urban project.
The collective is already projecting towards prospective horizons: self-sufficient floating city, waste-free neighborhood, wooden office complex in La Défense. These ambitions reflect a constant desire: to create resilient spaces, open to a plurality of uses, attentive to sobriety and inclusivity.
Tomorrow, it will no longer be a choice between architectural boldness, innovation, and responsibility. The agency has understood this: it is the only way to build places that continue to question and inspire long after their delivery.