EY (Ernst & Young) is a global professional services organization dedicated to building a better working world for clients, employees, and communities. With a presence in over 150 countries and a workforce exceeding 700,000, EY operates through a network of member firms, each functioning as a separate legal entity.
| Founded | 1989 (37 years) |
| Employees | 395,000 |
| Headquarters | United Kingdom |
| Trusted networks on Proven | 3 investor, bank and government networks offer Ernst & Young Israel to their members |
Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.
| Connor Group | Score in progress |
| Baker Tilly US | Score in progress |
| Ernst & Young Israel | Score in progress |
| IQEQ | Score in progress |
| RSM Ireland | Score in progress |
| Cooper Parry | Score in progress |
| Aprio | Score in progress |
| Andersen | Score in progress |
| Bentleys | Score in progress |
| Brennan & Co | Score in progress |
| CBIZ | Score in progress |
| Crowe | Score in progress |
| Deloitte | Score in progress |
| Forvis Mazars CPA Limited | Score in progress |
| Frank, Rimerman & Co | Score in progress |
| KPMG US | Score in progress |
| S&W Group | Score in progress |
| Accountancy Cloud | Score in progress |
Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.