Nottingham Business School, Nottingham Trent University | 27,950 followers on LinkedIn. Triple crown accredited business school which combines academic excellence with impact on business and society | Nottingham Business School (NBS) at Nottingham Trent University (NTU) provides education and research that combines academic excellence with impact on people, business and society. NBS is triple crown accredited by EQUIS, AACSB and AMBA, which are internationally recognised hallmarks of excellence and quality for business education. The School is recognised as a PRME Champion, and held up as an exemplar by the United Nations Principles of Responsible Management Education (PRME).