EY, previously known as Ernst & Young, is a British multinational professional services network based in London, United Kingdom. Along with Deloitte, KPMG and PwC, it is one of the Big Four accounting firms. The EY network is composed of member firms of Ernst & Young Global Limited, a UK company limited by guarantee.
EY is one of the largest professional services networks in the world. It primarily provides assurance, tax, information technology services, consulting, and advisory services to its clients. From Wikipedia
