Ernst & Young

EY (formerly Ernst & Young) is a multinational professional services firm headquartered in London ,England EY is one of the largest professional services firm in the world and is one of the "Big Four" accounting firms.

The organisation operates as a network of member firms which are separate legal entities in individual countries. It has 231,000 employees in over 700 offices around 150 countries in the world. It provides assurance (including financial audit), tax, consulting and advisory services to companies.

The firm dates back to 1849 with the founding of Harding & Pullein in England. The current firm was formed by a merger of Ernst & Whinney and Arthur Young & Co. in 1989. It was known as Ernst & Young until 2013, when it underwent a rebranding to EY. The acronym "EY" was already an informal name for the firm prior to its official adoption

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