This is the best case you can have as long as you have taken precaution beforehand to secure a solid and most detailed agreement with your debtor. Here the universal Latin rule “ Verba volant scripta manent” finds its best application. It is the nature of all such contracts consisted by the proposal and the acceptance of the parties involved which plays a crucial role for debt recovery here.
Regarding all other matters I refer you to the general section of collections and the ship chandlers’ section of my page.
How long does the Statute of limitations run for such kind of claims in Greece ?
For Shipyards, Ship repairs, Shipping equipment claims which were arisen up to 30th of April 2023 the Statute of limitations in Greece for claims is only 1 (one) year starting as of January 1st of the year next to the here during which such services were provided to the vessel. However, as of 1st of May 2023 the Statute of limitations for such claims will run for 2 (two) years starting as of January 1st of the year next to the year during which such services will be provided to the vessel.

