Speech and Language Therapy Northern Ireland (SLTNI) offers a wide range of Speech and Language Therapy services to the health industry, education services and individuals. Speech and Language Therapy (SLT) enables people to reach their maximum potential with regard to communication. A Speech and Language Therapist will assess the communication problems/difficulties and then provide advice, treatment and support that is relevant to your case. At SLTNI we also provide expert services and advice to parents, professionals, organizations and charities.