1913: Arthur Andersen and Clarence DeLany found Andersen, DeLany & Co. It's name later changes to Arthur Andersen & Co. after DeLany leaves.

1947: Andersen, the firm's founder and leader, dies

1989: Andersen splits into two firms, Arthur Andersen & C0., and Andersen Consulting, under a Swiss-based parent organization.

1994: Arthur Andersen & Co. develops its own consulting business.

2000: A schism between the audit and consulting arms leads to a split of Andersen Consulting from Andersen Worldwide, and the creation of global consulting powerhouse that would be rebranded as Accenture

2002: After the Enron controversy, Arthur Andersen LLP is convicted of obstruction of justice, and the firm unravels.

2005: The U.S. Supreme Court reverses Andersen's conviction.

Sources: AJC archives, news reports, Andersen Alumni Association

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UPS trucks exit the company's SMART hub in Atlanta on Wednesday, Dec. 10, 2025. It's considered the country's second-largest ground package processing facility. (Arvin Temkar/AJC)

Credit: arvin.temkar@ajc.com

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UPS trucks exit the company's SMART hub in Atlanta on Wednesday, Dec. 10, 2025. It's considered the country's second-largest ground package processing facility. (Arvin Temkar/AJC)

Credit: arvin.temkar@ajc.com