KPMG International Limited is a British multinational professional services network and one of the Big Four accounting organizations, alongside Ernst & Young (EY), Deloitte, and PwC. The name "KPMG" is an acronym derived from the names of its founding entities: Klynveld, Peat, Marwick, and Goerdeler. This initialism was adopted following the 1987 merger of KMG (Klynveld Main Goerdeler) and Peat Marwick.

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With its headquarters in London, United Kingdom, KPMG operates globally in 145 countries, employing over 273,000 people. The firm offers three core services: financial audit, tax, and advisory. Both the tax and advisory services are further divided into specialized service groups.

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Over the past decade, KPMG's global network of affiliates has been subject to various regulatory actions and lawsuits in multiple regions.