Organization

Deloitte

One of the four largest accounting and audit networks.

5 links, 3 backed by primary records. 11 more in open data

Connections 5

PCAOB inspection results for 2023 its U.S. firm: 12 of 56 audits reviewed (21%) Scholarship & press 2
PCAOB inspection results for 2024 its U.S. firm: 9 of 63 audits reviewed (14%) Scholarship & press 3

Timeline 2 dates

Proof 4 sources

Carillion: Joint Report of the Business, Energy and Industrial Strategy and Work and Pensions Committees (HC 769), UK House of Commons (Business, Energy and Industrial Strategy and Work and Pensions Committees), 16 May 2018. Primary record Archived copy
Among these were Deloitte, who alongside KPMG, EY and PwC comprise the “Big Four” audit and professional services firms.
PCAOB sees audit deficiencies leveling off at largest firms, but problems remain, Accounting Today, 15 Aug 2024. Scholarship & press
Among the Big Four, for Deloitte & Touche LLP , 12 of the 56 audits reviewed by the PCAOB in 2023 were included in Part I.A of the report due to the significance of the deficiencies identified.
PCAOB sees improvements in largest audit firms, Accounting Today, 31 Mar 2025. Scholarship & press
nine of the 63 audits reviewed by the PCAOB in 2024 were included in Part I.A of the report due to the significance of the deficiencies identified, for a 14% Part I.A deficiency rate.
Public Accounting Firms: Mandated Study on Consolidation and Competition (GAO-03-864), U.S. Government Accountability Office, 30 Jul 2003. Primary record Archived copy
In August 1989, seventh-ranked Deloitte Haskins & Sells and eighth-ranked Touche Ross merged to form Deloitte & Touche.

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