Ernst & Young
One of the Big Four professional services networks.
Ernst & Young, now known as EY, is a multinational professional services network headquartered in London, England. It is one of the Big Four professional services firms, alongside Deloitte, KPMG, and PwC, providing assurance, tax, consulting, and advisory services globally.
- founded
- 1989 (merger of Ernst & Whinney and Arthur Young & Co.)
- headquarters
- London, England
- field
- Professional services
- nationality
- United Kingdom
Lore & Background
EY resulted from several mergers over a century and a half. Ernst and his brother Theodore. Arthur Young & Co. In 1989, Ernst & Whinney merged with Arthur Young & Co. to create Ernst & Young. In 2000, it was the first of the Big Five to sell its consulting practice, to Capgemini for $11 billion.
Reader's Guide
EY's significance lies in its position as one of the Big Four professional services networks, a dominant force in global assurance, tax, and consulting. Its legacy includes pioneering the separation of consulting from auditing in 2000 and expanding through acquisitions such as The Parthenon Group and KPMG Denmark's operations.
Frequently Asked Questions
Why is Ernst & Young important in the broader landscape?
As one of the 'Big Four' alongside Deloitte, KPMG, and PwC, EY helps set the global benchmark for audit, tax, and advisory work. Its reputations and decisions carry outsized influence on how industries are regulated and how public confidence in financial reporting is sustained.
What is Ernst & Young's nationality and how is it structured?
EY holds a United Kingdom nationality with its headquarters in London, England. Rather than being a single centralized corporation, it operates as a network of locally owned member firms that share the EY brand and standards across the globe.
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