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ΓΑΙΑΟΣΕ Α.Ε. (GAIAOSE S.A.)

This week: GAIAOSE tenders a preliminary seismic-safety assessment of 43 buildings. (2026-09-21)

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Type: State SPV — société anonyme wholly owned by the state holding company (Υπερταμείο); Siokou 2, Athens 10445
Market · Region: European Union · Greece
Open tenders: 0
Technology areas: Rolling-stock hardware, Predictive maintenance

Owns and manages national rolling-stock fleet and railway real-estate portfolio.

About this buyer

Owns and manages the existing national rolling-stock fleet under the supervision of the state holding company (Υπερταμείο), on the national safety authority's own description, and manages and develops the railway real-estate portfolio: space inside stations, open land along the network, freight centres, infrastructure service installations such as engine sheds, and warehouses, plus photovoltaic parks on railway land. Its own site states that the company is not involved in railway operation.

Type: State SPV — société anonyme wholly owned by the state holding company (Υπερταμείο); Siokou 2, Athens 10445
Where: Greece
Technology areas: Rolling-stock hardware, Predictive maintenance

Structure

owned by Υπερταμείο — GAIAOSE is a wholly owned subsidiary of the state holding company, which also supervises it as holder of the national rolling-stock fleet (active)

Contract detail and values (1)In the European Union edition See a fully open example

Sources for these relationships (2)

● ΓΑΙΑΟΣΕ Α.Ε. (GAIAOSE) · gaiaose.com home page — GAIAOSE is a société anonyme wholly owned by the state holding company (Υπερταμείο), founded to manage and develop railway real estate: space inside stations, open land, freight centres, infrastructure service installations and warehouses along the Greek network, plus photovoltaic parks; the page states the company is not involved in railway operation (published 2026 · checked 2026-09-13)
● Ρυθμιστική Αρχή Σιδηροδρόμων (RAS) — National Safety Authority · NSA Ετήσια Έκθεση Ασφάλειας 2024 / Annual Safety Report 2024 — the authority's own report: 9 significant accidents in 2024 against 7 in 2023 and a five-year average of 9.4; 6 fatalities in 2024 against 59 in 2023, of which 57 were in the Tempi accident, against a five-year average of 16.8; the licensed railway undertakings are Hellenic Train (formerly TRAINOSE, part of Ferrovie dello Stato Italiane), STASY (a public undertaking within the state holding company (Υπερταμείο)), Rail Cargo Logistics Goldair, GFR (Romanian, operating in Greece since 2022) and PEARL (licensed but not certified and not yet operating); Hellenic Train is also a certified entity in charge of maintenance; GAIAOSE is the public undertaking that owns and manages the existing national rolling-stock fleet under the supervision of the state holding company (Υπερταμείο); the national investigation body is EODASAAM (published 2026-04 · checked 2026-09-13)

What changed

From This Week in Rail, newest first.

2026-09-21 — GAIAOSE tenders a preliminary seismic-safety assessment of 43 buildings.
2026-09-21 — GAIAOSE seeks non-binding expressions of interest to redevelop three former or current railway stations — Larissa, old Platamonas and Katakolo.

Withheld in the free surface

Procurement structure
Published contacts (3)
Award history (0)
Entry path
Portals (2)

Full detail withheld: 5 fields. In the European Union edition · See a fully open example

3 sources · all primary

● ΓΑΙΑΟΣΕ Α.Ε. (GAIAOSE) · gaiaose.com home page — GAIAOSE is a société anonyme wholly owned by the state holding company (Υπερταμείο), founded to manage and develop railway real estate: space inside stations, open land, freight centres, infrastructure service installations and warehouses along the Greek network, plus photovoltaic parks; the page states the company is not involved in railway operation (published 2026 · checked 2026-09-13)
● ΓΑΙΑΟΣΕ Α.Ε. (GAIAOSE) · Επικοινωνία — Siokou 2, Athens 10445, telephone +30 210-8318158, e-mail gaiaose@gaiaose.gr (published 2026 · checked 2026-09-13)
● Ρυθμιστική Αρχή Σιδηροδρόμων (RAS) — National Safety Authority · NSA Ετήσια Έκθεση Ασφάλειας 2024 / Annual Safety Report 2024 — the authority's own report: 9 significant accidents in 2024 against 7 in 2023 and a five-year average of 9.4; 6 fatalities in 2024 against 59 in 2023, of which 57 were in the Tempi accident, against a five-year average of 16.8; the licensed railway undertakings are Hellenic Train (formerly TRAINOSE, part of Ferrovie dello Stato Italiane), STASY (a public undertaking within the state holding company (Υπερταμείο)), Rail Cargo Logistics Goldair, GFR (Romanian, operating in Greece since 2022) and PEARL (licensed but not certified and not yet operating); Hellenic Train is also a certified entity in charge of maintenance; GAIAOSE is the public undertaking that owns and manages the existing national rolling-stock fleet under the supervision of the state holding company (Υπερταμείο); the national investigation body is EODASAAM (published 2026-04 · checked 2026-09-13)

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