EY

EY is one of the 'Big 4' largest worldwide professional services organisations and auditors.

EY was formerly known as 'E&Y', and before that 'Ernst & Young'.

EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited - a UK company limited by guarantee - does not provide services to clients.