| 1917 | Formation of “Allgemeine Treuhand AG (ATAG)” in Basel |
| 1960 | Beginn of the cooperation between ATAG and Arthur Young |
| 1989 | Ernst & Whinney merges with Arthur Young |
| 1991 | Change of the name from ATAG Allgemeine Treuhand AG to ATAG Ernst & Young |
| 1992 | Merger ATAG Ernst & Young with GBR / Neutra |
| 1998 | Equity Partnership |
| 2000 | ATAG Ernst & Young renamed to Ernst & Young Sale of Management Consulting activities |
| 2002 | Ernst & Young (Switzerland) combines activities with Andersen (Switzerland) |
| 2008 | Zusammenschluss von 87 Ländergesellschaften - darunter Ernst & Young Schweiz - in Europa, dem Mittleren Osten, Indien und Afrika zur EMEIA-Region |
|
History of Ernst & Young Global |
