KPMG is one of the largest professional services companies in the world and one of the Big Four auditors, along with Deloitte, EY and PwC. Its global headquarters is located in Amstelveen, the Netherlands. KPMG employs 162,000 people and has three lines of services: audit, tax, and advisory. Its tax and advisory services are further divided into various service groups. The name “KPMG” was chosen when KMG (Klynveld Main Goerdeler) merged with Peat Marwick.