Business document translation carries higher stakes than casual translation, since errors in contracts, technical specifications, or regulatory filings can create genuine legal or financial consequences beyond simple miscommunication. Working with translators who specialise in the specific document type matters significantly — legal translation, technical translation, and marketing translation each require different expertise, and a generalist translator may miss industry-specific terminology or legal nuance. For contracts and legal documents specifically, ask whether the translation service offers certified translation, which carries formal attestation of accuracy often required for documents used in official or legal contexts. Review processes matter too — a reputable translation service typically includes a second reviewer checking the initial translation, catching errors that a single translator working alone might miss. For ongoing business needs involving repeated translation of similar document types, working consistently with the same translator or agency builds familiarity with company-specific terminology and preferred phrasing over time, improving both accuracy and turnaround speed. Machine translation tools have improved considerably but remain unsuitable for anything with legal, financial, or reputational stakes, where the cost of an error significantly outweighs any time saved by skipping professional human translation.