KPMG is a global network of professional services firms providing audit, tax, and advisory services. They make money by offering these services to a diverse range of clients, including corporations, governments, and non-profit organizations. Founded in 1987 through the merger of Klynveld Main Goerdeler (KMG) and Peat Marwick International, KPMG has a rich history of delivering high-quality services and maintaining a strong reputation for integrity and excellence in the industry.