The Wales Interpretation and Translation Service (WITS) (in Welsh, Gwasanaeth Cyfieithu a Dehongli Cymru, GCDC) is a not-for-profit quango providing 24-hour linguistic services to public authorities in Wales, including councils, police forces, health and social services, but not courts. The services offered include interpreting, translation and transcription, and cover approximately 135 languages & dialects including British Sign Language. The linguists are security vetted to national police employment standards and assessed and trained in professional interpreting.