The Level 4 Certificate in British Sign LanguageĀ program meets the learning needs of individuals with British Sign Language competence at Level 3 who are interested in further developing their skills and knowledge. It is designed for professionals working with, or aspiring to work with, Deaf people, such as social workers, teachers of the Deaf, voluntary workers, and staff within Deaf organizations and schools. It is also suitable for those looking to broaden their understanding and proficiency in British Sign Language.