Ernst & Young (rebranded in 2013 as EY) was founded in 1849 and is a multinational professional services firm headquartered in London. EY is considered one of the Big Four accounting firms. Unlike other professional services firms, EY is organized into four regions: EMEIA (Europe, Middle East, India, and Africa), Americas, Asia-Pacific, and Japan. In order to respond effectively to its increasingly global clientele, EY has set up each region as an identical business structure and employs over 167,000 employees in more than 700 offices providing clients with assurance including fiancial audits, tax, consulting and advisory services (Source: Wikipedia).