Dublin Business School (DBS), incorporating Portobello College, is a private college in Dublin, Ireland. With over 9,000 students, DBS provides full-time and part-time undergraduate and postgraduate programmes in business, marketing, management computing, law, accounting, IT, arts, creative media, psychotherapy and psychology. The college's undergraduate and part-time degrees are recognised by Quality and Qualifications Ireland (QQI). The college is owned by Kaplan, Inc., part of the Graham Holdings Company.