Business History Did the Big 4 used to be the Big 5? June 2, 2026 by Mercier | Leave a Comment Yes, the accounting industry did indeed have a "Big 5" before it became the "Big 4." This shift occurred due to the collapse of Arthur Andersen, one of the five major accounting firms, in 2002. The Evolution of Accounting’s Elite: From Big 5 to Big 4 For many years, the accounting world was dominated by […] Read more ยป