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A building with identifiable architecture leased to the OECD

This building enjoys a strategic location in Boulogne-Billancourt, 2nd district of IDF, comprising a business park of around 1.2 M de m2 and located in the immediate proximity of Paris and La Défense.
In&Out offers floors of 4,400 m2 and benefits from an easily identifiable architecture: on the exterior, brushed metal directional signs, a reference to the industrial past of the site, punctuate the paths and are affixed to specially designed signposts; and simple, elegant and minimalist signage inside the building.
The building houses a single internationally renowned tenant: the Organisation for Economic Co-operation and Development (OECD), and offers exceptional environmental performances.


  • Address : 46 Quai Alphonse le Gallo, 92100 Boulogne-Billancourt
  • Year of acquisition : 2017
  • Total area : 34,856 m2
  • Certifications & labels : HQE Exceptional, BREEAM Very Good, LEED Platinum

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