Thessaloniki Port Authority Societe Anonyme offers transportation services in Greece. It operates through four segments: Container Terminal, Conventional Cargo, Passenger Traffic, and Utilization of Facilities. The company provides containers unitized cargoes; conventional cargoes, such as bulk, general, and RO-RO; coastal and cruise passenger services; ship anchoring, mooring, berthing, and other services; and intermodal transport services.

It also operates car parking stations. The company primarily serves industries, shipping agents, container transportation companies, and freight transport companies. Thessaloniki Port Authority Societe Anonyme was incorporated in 1999 and is based in Thessaloniki, Greece.

Thessaloniki Port Authority Societe Anonyme is a subsidiary of Belterra Investments Ltd.