Thessaloniki Port Authority (THPA S.A.) was established in the year 1999 with the aim to manage and exploit the port of Thessaloniki. On June 27, 2001, the concession of rights is granted for a period of 40 years by the Greek State to THPA S.A., with the exclusive right to use and exploit the sites, buildings and installations of the land, coastal zone of the Port of Thessaloniki.

THPA S.A., mainly with its own means and personnel, provides berthing services to ships, handling of all types of cargoes and servicing passenger traffic at the port of Thessaloniki. The company also undertakes the construction of new installations as well as the maintenance and amelioration of the existing infrastructure and structures of the port, in addition to the procurement or maintenance of the necessary electromechanical and telecommunication and IT equipment.