French development company Bouygues Immobilier said it has started construction of the new head office of geophysical services provider CGGVeritas in Massy, in the southern outskirts of Paris. This building, with 17,850 m[sup]2[/sup] of gross lettable area over six storeys, is located at the centre of the new Carnot district of Massy. The new office will allow the future tenant to bring together its staff which is currently dislocated over two offices.