The concern of most professionals of conformity assessment services, however, is how accurate or reliable are the outputs from these testing, inspection, certification, verification or validation activities. This is where accreditation bodies come to provide the assurance of credibility, reliability, impartiality, accuracy, transparency or otherwise of outputs from these conformity assessment activities. For users of conformity assessment activities it is no longer just any certificate or results but it must be accredited certificate or profesional results.