The Grand Axe 2 building, designed by Arte Charpentier Architectes / Simonetti, completes the Grand Axe complex, which has been home to Axa France's headquarters since 2006.

This project comprises 17,300 m² of office and commercial space, 450 m² of retail and service space, and an annex to the town hall. Grand Axe 2 was delivered in September 2010. The building houses an exit from the Nanterre-Préfecture RER station, built by RATP and in service since May 2011.

Arte Charpentier / Simonetti / Buffi is an internationally renowned architecture firm based in Paris. Founded in 1969, it specializes in the design and construction of large-scale architectural projects, such as residential buildings, hotels, shopping centers, and public infrastructure. Creative and innovative, they combine their artistic vision with a deep understanding of their clients' needs. The firm now has more than 200 employees worldwide and has won numerous prestigious awards for its innovative and sustainable projects.