Ernst & Young vs Hitachi Vantara

Ernst & Young Global Limited is a multinational professional services firm headquartered in London, United Kingdom. It is one of the "Big Four" audit firms and is the third largest professional services firm in the world by aggregated revenue in 2014, after Deloitte and PwC. The organization operates as a network of member firms which are separate legal entities in individual countries. It has 190,000 employees in over 700 offices around 150 countries in the world. It provides assurance, tax, consulting and advisory services to companies.

Hitachi, Ltd. is a Japanese multinational conglomerate company headquartered in Chiyoda, Tokyo, Japan. It is the parent of the Hitachi Group and forms part of the DKB Group of companies. Hitachi is a highly diversified company that operates eleven business segments: Information & Telecommunication Systems, Social Infrastructure, High Functional Materials & Components, Financial Services, Power Systems, Electronic Systems & Equipment, Automotive Systems, Railway & Urban Systems, Digital Media & Consumer Products, Construction Machinery and Other Components & Systems.