This is a project of historical importance for the city of Athens. The fundamental renovation of the hotel for its operation during the Olympic Games was a challenge for all the people and companies that took part in the project.
The renovated Hilton, with a total floor area of 55,000 m2, was operational not only with completely upgraded interior and exterior spaces but with the addition of a new 74-room wing, new conference and event rooms, as well as four restaurants and two bars.
The company undertook the design and construction of all engineering networks from level -2 to level +2.