Record checked on 26 October 2026.
CALQ
Architecture firm in Paris 2nd · founded in 1990
Overview
CALQ is a Paris practice founded by Jean-Philippe Le Bœuf and Emmanuel Quin, who won their first competition, a shopping centre, in 1985. Based on rue du Sentier with about 125 staff, it works mostly on the refurbishment of office buildings, and also on housing, hotels and public facilities, with dedicated teams for construction-phase management and timber building. It handled the renovated parts of Morland Mixité Capitale with David Chipperfield Architects.
- Founded
- 1990
- Team
- ≈ 125
- Projects
- 5
- Awards
- 1
The two founders teamed up in 1985 and set up CALQ Architecture in 1990, according to the firm; the company register dates the current company to 1986.
Partners and founders
Jean-Philippe Le BœufCo-founder, President and Partner
Emmanuel QuinCo-founder and Partner
David MerckensPartner, Director of Development
Hélène VanherseckePartner, Head of Administration and Finance
Fields of work
Office refurbishment and restructuring · Housing · Hotels · Timber construction · Construction-phase project management
Built work
Flora, ZAC des Groues (with Michael Green Architecture)
Nanterre · Timber mixed-use building (housing, offices, shops)Trévise office complex (incl. Hôtel de Bony)
Paris · Office restructuringMorland Mixité Capitale (with David Chipperfield Architects)
Paris · Mixed-use conversion (offices, housing, hotel, youth hostel)Hermès workshops, Cité des métiers (executive architect, with RDAI)
Pantin · Workshops, staff restaurant and nurseryPrizes and awards
- 2014ArchiDesignclub Awards, Refurbishment-Restructuring category (Le Beauvaisis, Paris)
Frequently asked questions
Where is CALQ based?
The firm's address is 6 rue du Sentier, 75002 Paris.
When was CALQ founded?
It was founded in 1990.
How can I contact CALQ?
You can reach the firm by phone on +33 1 44 76 97 97, by email at calq@calq.fr and through its website calq.fr.
What are the main projects of CALQ?
Its built work includes Pong (conversion of a 1970s office building) (Paris, 2024), Flora, ZAC des Groues (with Michael Green Architecture) (Nanterre, 2024) and Trévise office complex (incl. Hôtel de Bony) (Paris, 2023).