Dublin Business School (DBS), incorporating Portobello College, is a private college in Ireland. With over 9,000 students, DBS provides full-time and part-time undergraduate and postgraduate programmes in business, law, accounting, event management, IT, arts, media studies 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.