Record checked on 26 October 2026.
PCA-STREAM
Architecture firm in Paris 3rd · founded in 2000
Overview
PCA-STREAM is an architecture, interior design and urban strategy practice founded in 2000 by Philippe Chiambaretta, who previously spent about ten years with Ricardo Bofill. Based in a former printing works in the Marais with about 90 staff, it pairs its design work with STREAM, a research programme and journal run by the agency. It is known for restructuring large Paris office buildings, such as the AXA headquarters on avenue Matignon, and for the MO.CO. art centre in Montpellier.
- Founded
- 2000
- Team
- ≈ 90
- Projects
- 6
- Awards
- 1
Partners and founders
Philippe ChiambarettaFounder and President
Guillaume MangeotPartner, Office Director
Sébastien TruchotPartner, Studio Director
Fields of work
Office restructuring · Interior architecture · Cultural buildings · Urban strategies · Research
Built work
emlyon business school campus
Lyon · Business school campus175 Haussmann, Lazard headquarters
Paris · Office restructuring52 Champs-Élysées
Paris · Mixed-use restructuring (offices, shops, rooftop restaurant)MO.CO. contemporary art centre (Hôtel Montcalm)
Montpellier · Contemporary art centre15 Laborde, Gide Loyrette Nouel headquarters
Paris · Conversion of former barracks into officesPrizes and awards
- 2019MIPIM Awards, winner (15 Laborde)
Frequently asked questions
Where is PCA-STREAM based?
The firm's address is 56-58 rue Vieille du Temple, 75003 Paris.
When was PCA-STREAM founded?
It was founded in 2000.
How can I contact PCA-STREAM?
You can reach the firm by phone on +33 1 44 93 90 00, by email at pca@pca-stream.com and through its website pca-stream.com.
What are the main projects of PCA-STREAM?
Its built work includes 21-25 Matignon, AXA group headquarters (Paris, 2025), emlyon business school campus (Lyon, 2023) and 175 Haussmann, Lazard headquarters (Paris, 2020).