More than 20 related departments of Bangor University belong to four colleges. In recent years, the marine science department of Bangor University is not only the largest in Britain, but also won the title of national excellent professional center. The university also offers unique environmental science majors, including forestry, agricultural resource management and environmental ecology.

The courses of banking, accounting and management of the University of Wales in Bangor are recognized all over the world, and its correspondence business administration is highly praised. The outstanding feature of the departments of electronic engineering, chemistry and psychology is to carry out innovative teaching and research.

The University of Wales in Bangor also offers new degree courses in criminology, women's studies, business and social organization management and leisure tourism.