In order to make an official translation, the client must bring the official original documents that need to be translated into another language.
After that, a translation of the documents and their official certification is done.
When translating a text or other (non-official) document, the original documents are not required.
Lycourgou Street (Λυκουργου) 9, 10551, 5th floor
Map at https://g.co/kgs/x94gegw