A certified translation services is one that is accompanied by a signed statement attesting that it is accurate and comprehensive to the best of the translator's knowledge and ability, according to the American Translators Association. How can I obtain a document of certified translation? how to make a document certified. Request a copy or translation of your document from the person or organization you have contacted. Then instruct them to write on the document: "Certified to be true copy/translation of the original seen by me."