| 7 October 2026 | Deloitte LLP | Financial Reporting Council | Go-Ahead Group plc (FY2016 to FY2020 audits) | Fine | £11,000,000, reduced to £6,050,000 |
| 28 July 2026 | Ernst & Young LLP | Financial Reporting Council | Made.com Group plc (FY2021 audit) | Fine | £1,197,000, adjusted from £1,800,000 |
| 16 July 2026 | PricewaterhouseCoopers LLP | Financial Reporting Council | Babcock International Group plc (FY2019 and FY2020 audits) | Fine | £3,248,437 |
| 10 April 2025 | Ernst & Young LLP | Financial Reporting Council | Thomas Cook Group plc (FY2017 and FY2018 audits) | Fine | £6,500,000 |
| 25 March 2025 | PricewaterhouseCoopers LLP | Financial Reporting Council | Wyelands Bank plc (FY2019 audit) | Fine | £4,500,000 before discounts |
| 7 May 2024 | Ernst & Young LLP | Financial Reporting Council | London Capital & Finance plc (year to 30 April 2017 audit) | Fine | £7,000,000 |
| 7 May 2024 | PricewaterhouseCoopers LLP | Financial Reporting Council | London Capital & Finance plc (year to 30 April 2016 audit) | Fine | £7,000,000 |
| 12 October 2023 | KPMG LLP and KPMG Audit Plc | Financial Reporting Council | Carillion plc | Fine | £18,550,000 |
| 8 August 2022 | PricewaterhouseCoopers LLP | Financial Reporting Council | BT Group plc (FY2017 audit) | Fine | £2,500,000, reduced to £1,750,000 |
| 25 July 2022 | KPMG LLP | Financial Reporting Council | Regenersis plc and Carillion plc (information given to FRC inspectors) | Fine | £20 million |
| 18 July 2022 | Grant Thornton UK LLP | Financial Reporting Council | Sports Direct International plc, now Frasers Group plc (2016 and 2018 audits) | Fine | £1,130,500 |
| 24 May 2022 | KPMG Audit plc | Financial Reporting Council | Rolls-Royce Group plc (FY2010 audit) | Fine | £4.5 million, reduced to £3,375,000 |
| 21 April 2022 | Deloitte LLP | Financial Reporting Council | Mitie Group plc (FY2016 audit) | Fine | £2 million, reduced to £1,450,000 |
| 1 November 2021 | Grant Thornton UK LLP | Financial Reporting Council | Interserve plc (2015 to 2017 audits) | Fine | £1.3 million, reduced to £718,250 |
| 27 September 2021 | Grant Thornton UK LLP | Financial Reporting Council | Patisserie Holdings plc (FY2015 to FY2017 audits) | Fine | £4 million |
| 8 May 2019 | KPMG Audit Plc | Financial Reporting Council | The Co-operative Bank plc (FY2009 audit) | Fine | £5 million |
| 12 June 2018 | PricewaterhouseCoopers LLP | Financial Reporting Council | BHS and Taveta Group (2014 audits) | Fine | £10 million |