Audit Firm Specific Reports - Tier 1 Audit Firms
We publish individual reports on our audit quality inspections and supervision of each major audit firm.
Audit Firm Specific Reports 2025
The Annual Review of Audit Quality was published on 15 July 2025 to accompany the six audit firm specific reports.
| Name | Annual Review of Audit Quality 2025 |
|---|---|
| Publication date | 15 July 2025 |
| Type | Report |
| Format | PDF, 1.3 MB. View HTML version |
The 2025 Audit Firm Specific Reports were published on 15 July 2025 (ordered alphabetically).
| Name | BDO LLP Audit Quality Inspection and Supervision Report 2025 |
|---|---|
| Publication date | 15 July 2025 |
| Type | Report |
| Format | PDF, 1.3 MB. View HTML version |
| Name | Deloitte LLP Audit Quality Inspection and Supervision Report 2025 |
| Publication date | 15 July 2025 |
| Type | Report |
| Format | PDF, 1.3 MB. View HTML version |
| Name | Ernst & Young LLP Audit Quality Inspection and Supervision Report 2025 |
| Publication date | 15 July 2025 |
| Type | Report |
| Format | PDF, 1.4 MB. View HTML version |
| Name | Forvis Mazars LLP Audit Quality Inspection and Supervision Report 2025 |
| Publication date | 15 July 2025 |
| Type | Report |
| Format | PDF, 1.5 MB. View HTML version |
| Name | KPMG LLP Audit Quality Inspection and Supervision Report 2025 |
| Publication date | 15 July 2025 |
| Type | Report |
| Format | PDF, 1.4 MB. View HTML version |
| Name | PricewaterhouseCoopers LLP Audit Quality Inspection and Supervision Report 2025 |
| Publication date | 15 July 2025 |
| Type | Report |
| Format | PDF, 1.4 MB. View HTML version |
Audit Firm Specific Reports archive
Archives of prior reports and reports for other firms are available in this section.
Jump to company
| Name | Annual Review of Audit Quality 2024 |
|---|---|
| Publication date | 30 July 2024 |
| Type | Report |
| Format | PDF, 2.0 MB. View HTML version |
| Name | Tier 1 Firms – Overview 2023 |
| Publication date | 6 July 2023 |
| Type | Report |
| Format | PDF, 1.3 MB. View HTML version |
| Name | Tier 1 Firms – Overview 2022 |
| Publication date | 20 July 2022 |
| Type | Report |
| Format | PDF, 2.5 MB. View HTML version |
| Name | Deloitte LLP Audit Quality Inspection and Supervision Report 2024 |
|---|---|
| Publication date | 30 July 2024 |
| Type | Report |
| Format | PDF, 1.0 MB. View HTML version |
| Name | Deloitte LLP Audit Quality Inspection and Supervision Report 2023 |
| Publication date | 6 July 2023 |
| Type | Report |
| Format | PDF, 2.0 MB. View HTML version |
| Name | Deloitte LLP Audit Quality Inspection and Supervision Report 2022 |
| Publication date | 20 July 2022 |
| Type | Report |
| Format | PDF, 3.0 MB. View HTML version |
| Name | Deloitte LLP Audit Quality Inspection and Supervision Report 2021 |
| Publication date | 23 July 2021 |
| Type | Report |
| Format | PDF, 1.8 MB. View HTML version |
| Name | Deloitte Audit Quality Inspection Report Jul 2020 |
| Publication date | 14 July 2020 |
| Type | Report |
| Format | PDF, 883.7 KB. View HTML version |
| Name | Deloitte Audit Quality Inspection 2018/19 |
| Publication date | 9 July 2019 |
| Type | Report |
| Format | PDF, 879.0 KB. View HTML version |
| Name | Deloitte LLP - Public report 2017/18 |
| Publication date | 18 June 2018 |
| Type | Report |
| Format | PDF, 705.3 KB. View HTML version |
| Name | Audit Quality Inspection Report 2016/17 - Deloitte LLP |
| Publication date | 15 June 2017 |
| Type | Report |
| Format | PDF, 354.6 KB. View HTML version |
| Name | Audit Quality Inspection Report May 2016: Deloitte LLP |
| Publication date | 19 May 2016 |
| Type | Report |
| Format | PDF, 927.4 KB. View HTML version |
| Name | Audit Quality Inspection Report 2014/15: Deloitte LLP |
| Publication date | 29 May 2015 |
| Type | Report |
| Format | PDF, 428.6 KB. View HTML version |
| Name | Audit Quality Inspection Report May 2014: Deloitte LLP |
| Publication date | 17 April 2014 |
| Type | Report |
| Format | PDF, 399.9 KB. View HTML version |
| Name | Audit Quality Inspection Report: Deloitte LLP |
| Publication date | 31 May 2013 |
| Type | Report |
| Format | PDF, 409.2 KB. View HTML version |
| Name | Public Report on the 2011/12 inspection of Deloitte LLP |
| Publication date | 15 June 2012 |
| Type | Report |
| Format | PDF, 697.7 KB. View HTML version |
| Name | BDO LLP Audit Quality Inspection and Supervision Report 2024 |
|---|---|
| Publication date | 30 July 2024 |
| Type | Report |
| Format | PDF, 1.2 MB. View HTML version |
| Name | BDO LLP Audit Quality Inspection and Supervision Report 2023 |
| Publication date | 6 July 2023 |
| Type | Report |
| Format | PDF, 3.0 MB. View HTML version |
| Name | BDO LLP Audit Quality Inspection and Supervision Report 2022 |
| Publication date | 20 July 2022 |
| Type | Report |
| Format | PDF, 1.1 MB. View HTML version |
| Name | BDO LLP Audit Quality Inspection and Supervision Report 2021 |
| Publication date | 23 July 2021 |
| Type | Report |
| Format | PDF, 2.0 MB. View HTML version |
| Name | BDO Audit Quality Inspection Report Jul 2020 |
| Publication date | 14 July 2020 |
| Type | Report |
| Format | PDF, 718.1 KB. View HTML version |
| Name | BDO LLP Audit Quality Inspection 2018/19 |
| Publication date | 8 July 2019 |
| Type | Report |
| Format | PDF, 778.1 KB. View HTML version |
| Name | BDO LLP - Public Report 2017/18 |
| Publication date | 18 June 2018 |
| Type | Report |
| Format | PDF, 646.7 KB. View HTML version |
| Name | Audit Quality Inspection Report 2016/17 - BDO LLP |
| Publication date | 15 June 2017 |
| Type | Report |
| Format | PDF, 933.7 KB. View HTML version |
| Name | Audit Quality Inspection Report May 2016: BDO LLP |
| Publication date | 19 May 2016 |
| Type | Report |
| Format | PDF, 980.0 KB. View HTML version |
| Name | Audit Quality Inspection Report 2014/15: BDO LLP |
| Publication date | 29 May 2015 |
| Type | Report |
| Format | PDF, 334.5 KB. View HTML version |
| Name | Audit Quality Inspection Report: BDO LLP |
| Publication date | 21 March 2013 |
| Type | Report |
| Format | PDF, 1.2 MB. View HTML version |
| Name | Moore Stephens LLP - Public Report 2017/18 |
|---|---|
| Publication date | 18 June 2018 |
| Type | Report |
| Format | PDF, 664.9 KB. View HTML version |
| Name | Audit Quality Inspection Report 2012/14 : Baker Tilly UK Audit LLP |
|---|---|
| Publication date | 17 April 2014 |
| Type | Report |
| Format | PDF, 869.8 KB. View HTML version |
| Name | Public Report on the 2010/12 inspection of Baker Tilly UK Audit LLP |
| Publication date | 10 May 2012 |
| Type | Report |
| Format | PDF, 461.2 KB. View HTML version |
| Name | Audit Quality Inspection Report February 2015: Crowe Clark Whitehill LLP |
|---|---|
| Publication date | 18 February 2015 |
| Type | Report |
| Format | PDF, 375.3 KB. View HTML version |
| Name | Public Report on the 2010/12 inspection of Crowe Clark Whitehill LLP |
| Publication date | 10 May 2012 |
| Type | Report |
| Format | PDF, 424.9 KB. View HTML version |
| Name | Forvis Mazars LLP Audit Quality Inspection and Supervision Report 2024 |
|---|---|
| Publication date | 30 July 2024 |
| Type | Report |
| Format | PDF, 1.2 MB. View HTML version |
| Name | Mazars LLP Audit Quality Inspection and Supervision Report 2023 |
| Publication date | 6 July 2023 |
| Type | Report |
| Format | PDF, 2.5 MB. View HTML version |
| Name | Mazars LLP Audit Quality Inspection and Supervision Report 2022 |
| Publication date | 20 July 2022 |
| Type | Report |
| Format | PDF, 1.0 MB. View HTML version |
| Name | Mazars LLP Audit Quality Inspection and Supervision Report 2021 |
| Publication date | 23 July 2021 |
| Type | Report |
| Format | PDF, 2.0 MB. View HTML version |
| Name | Mazars Audit Quality Inspection Report Jul 2020 |
| Publication date | 14 July 2020 |
| Type | Report |
| Format | PDF, 735.9 KB. View HTML version |
| Name | Mazars Audit Quality Inspection 2018/19 |
| Publication date | 9 July 2019 |
| Type | Report |
| Format | PDF, 795.4 KB. View HTML version |
| Name | Mazars LLP - Public Report 2017/18 |
| Publication date | 18 June 2018 |
| Type | Report |
| Format | PDF, 642.1 KB. View HTML version |
| Name | Audit Quality Inspection Report 2014/15: Mazars LLP |
| Publication date | 23 March 2015 |
| Type | Report |
| Format | PDF, 408.4 KB. View HTML version |
| Name | Public Report on the 2011/12 inspection of Mazars LLP |
| Publication date | 10 May 2012 |
| Type | Report |
| Format | PDF, 413.4 KB. View HTML version |
| Name | Public Report on the 2010/12 inspection of PKF (UK) LLP |
|---|---|
| Publication date | 10 May 2012 |
| Type | Report |
| Format | PDF, 319.1 KB. View HTML version |