[1] The stone cladding, a traditional symbol of wealth, conceals a metal frame, partially produced by the workshops of Gustave Eiffel.

Outside, on the Boulevard des Italiens, the central pavilion is inspired by the pavillon de l’Horloge of the Palais du Louvre.

To provide light to the room of safes, part of the floor was composed of glass tiles manufactured by Saint-Gobain.

To impress people and encourage them to come in, a huge waiting room, lit by 310 gas burners, opened on to rows of desks in the English fashion, without screens or windows.

Stocks and bonds were kept in 195 Fichet safes in the basement, surrounded by a walkway and serviced by a staircase at the top where an ashtray is marked "Put out your cigars.

Some offices are accessible via a classic staircase on the 5th and even 6th floor inside the pavilion of honor located above the entrance to Boulevard des Italiens.

This is about a quarter of the building on the side of the boulevard des Italiens, which contains the director's offices, the council chamber, and the double spiral staircase.

In summer 2008, at the request of the architect of French buildings, a large lead ornament that had been removed during restorations in the 1950s was reinstalled at the top of the main entrance, 36 m above the ground.

[6] After the fire, huge reconstruction work began in January 2001 by AIG French Property Fund, for the new owner of the building (Deka Immobilien Investment GmbH), under the direction of the architect Jean-Jacques Ory.

The trading room (where the fire broke out) and the hanging garden situated above it were replaced by a long gallery with a metal canopy reminiscent of the original building's securities hall.

In 2006, the employees of the French business newspaper Les Échos left their offices on rue de la Boétie and moved into the Centorial.