| Swiftbooks09 | | | tax violations | 2017 | UK-HMRC | £42,205 |
| DPS Textile Limited | | | tax violations | 2017 | UK-HMRC | £37,244 |
| C and V Leisure Limited | | | tax violations | 2017 | UK-HMRC | £33,985 |
| A P Waters Building Contractors Limited | | | tax violations | 2017 | UK-HMRC | £33,724 |
| Handyman Scott | | | tax violations | 2017 | UK-HMRC | £33,369 |
| Brafman Enterprises Limited dba Le Cafe | | | tax violations | 2017 | UK-HMRC | £32,113 |
| Hall FM Security Limited | | | tax violations | 2017 | UK-HMRC | £30,114 |
| Velma Mechanical Services Limited dba Pit Stop Auto Centre | | | tax violations | 2017 | UK-HMRC | £29,440 |
| 3 AAA LLP | | | tax violations | 2017 | UK-HMRC | £29,389 |
| Ishan Logistics Limited | | | tax violations | 2017 | UK-HMRC | £26,950 |
| Fairdeal Stores Limited dba Best One | | | tax violations | 2017 | UK-HMRC | £25,493 |
| Crystal Trading Limited dba Pink Turban | | | tax violations | 2017 | UK-HMRC | £24,987 |
| Irlam Commercials Limited | | | tax violations | 2017 | UK-HMRC | £24,774 |
| KM Electronics | | | tax violations | 2017 | UK-HMRC | £24,325 |
| KM Electronics | | | tax violations | 2017 | UK-HMRC | £24,325 |
| Kings Taxis | | | tax violations | 2017 | UK-HMRC | £23,623 |
| Global Training Solutions | | | tax violations | 2017 | UK-HMRC | £21,637 |
| Weatherhead Pipeline Solutions Limited | | | tax violations | 2017 | UK-HMRC | £19,220 |
| Switch2day Limited dba Uswitch Business Telecommunications Limited | | | tax violations | 2017 | UK-HMRC | £18,672 |
| Euro Textile Limited | | | tax violations | 2017 | UK-HMRC | £17,617 |
| Caversham Browne Limited | | | tax violations | 2017 | UK-HMRC | £17,605 |
| The Men's Room (Lichfield) Limited | | | tax violations | 2017 | UK-HMRC | £14,261 |
| Scafco Limited | | | tax violations | 2017 | UK-HMRC | £13,534 |
| Quality Cafe | | | tax violations | 2017 | UK-HMRC | £11,608 |
| Gavigan Paving Limited | | | tax violations | 2017 | UK-HMRC | £10,704 |
| Gostling Ltd | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £15,371 |
| Brian Paul Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £12,792 |
| Hayward Wright Ltd | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £8,000 |
| Carter Nicholls Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £3,443 |
| MG Audit Services Ltd | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £5,000 |
| Grant Thornton UK LLP | Grant Thornton | business services | accounting fraud or deficiencies | 2017 | UK-ICAEW | £8,000 |
| Derrick Newman Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £1,003 |
| C H London Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £3,000 |
| YPO | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £1,500 |
| Rawlinsons | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £7,242 |
| Place Flight | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £2,000 |
| Harrison Holt | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £1,000 |
| Higginson & Co (UK) Ltd | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £2,500 |
| Baxters | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £8,000 |
| Hillier Hopkins LLP | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £200,000 |
| Crowe U.K. LLP | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £24,492 |
| Wilds Ltd | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £500 |
| Edwards Accountants (Midlands) Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £28,555 |
| Latham Costa Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £1,000 |
| cba (Accountants) Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £10,653 |
| MHA MacIntyre Hudson | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £16,805 |
| Andrew Wiggett | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £3,000 |
| A.J. Charik & Co | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £500 |
| Alliotts | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £39,280 |
| Athena & Co (Scotland) Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £4,643 |
| Myers Clark Limited | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £5,980 |
| Moore | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £5,000 |
| Bank of Tokyo Mitsubishi UFJ Limited | Mitsubishi UFJ Financial Group | financial services | internal controls deficiency | 2017 | UK-PRA | £17,850,000 |
| MUFG Securities EMEA plc | Mitsubishi UFJ Financial Group | financial services | internal controls deficiency | 2017 | UK-PRA | £8,925,000 |
| Blenheim Fiduciary Group Limited | | | anti-money-laundering deficiencies | 2017 | UK-GFSC | £70,000 |
| Capital Solutions Limited | | | investor protection violation | 2017 | UK-GFSC | £0 |
| Santander UK plc | Banco Santander | financial services | banking violation | 2018 | UK-FCA | £32,817,800 |
| Tesco Personal Finance plc | Tesco PLC | retailing | privacy violation | 2018 | UK-FCA | £16,400,000 |
| Canara Bank | | | anti-money-laundering deficiencies | 2018 | UK-FCA | £896,100 |
| Interactive Brokers (UK) | Interactive Brokers Group | financial services | investor protection violation | 2018 | UK-FCA | £1,049,412 |
| Grant Thornton UK LLP | Grant Thornton | business services | accounting fraud or deficiencies | 2018 | UK-FRC | £3,165,000 |
| KPMG Audit Plc | KPMG | business services | accounting fraud or deficiencies | 2018 | UK-FRC | £2,212,000 |
| PriceWaterhouseCoopers | PricewaterhouseCoopers | business services | accounting fraud or deficiencies | 2018 | UK-FRC | £10,000,000 |
| KPMG LLP | KPMG | business services | accounting fraud or deficiencies | 2018 | UK-FRC | £3,296,000 |
| Arrandco Audit Ltd. | | | accounting fraud or deficiencies | 2018 | UK-FRC | £790,000 |
| Universal Payroll Services Ltd | | | tax violations | 2018 | UK-HMRC | £7,224,151 |
| Universal Project Services Ltd | | | tax violations | 2018 | UK-HMRC | £4,651,334 |
| Brewchoice Ltd | | | tax violations | 2018 | UK-HMRC | £956,388 |
| Smart Construction and Civil Engineering Limited dba Smart Plant Limited | | | tax violations | 2018 | UK-HMRC | £710,495 |
| T & S Fashions Ltd | | | tax violations | 2018 | UK-HMRC | £459,270 |
| McDouglas Developments Ltd | | | tax violations | 2018 | UK-HMRC | £321,584 |
| Karam Express | | | tax violations | 2018 | UK-HMRC | £309,707 |
| MP Food & Wine/J&M News | | | tax violations | 2018 | UK-HMRC | £289,280 |
| Fly Eagle 1 LLC | | | tax violations | 2018 | UK-HMRC | £283,406 |
| LBBH LLC dba xpress beauty | | | tax violations | 2018 | UK-HMRC | £272,714 |
| Boyce Care Ltd | | | tax violations | 2018 | UK-HMRC | £235,770 |
| Alhilal Trading Limited | | | tax violations | 2018 | UK-HMRC | £221,702 |
| Shen Zhen Shi Bedi Shangmao You Xian Going S.I. dba CHanning56789 | | | tax violations | 2018 | UK-HMRC | £220,560 |
| Newham Pizza Ltd dba TGF Pizza | | | tax violations | 2018 | UK-HMRC | £192,668 |
| Shop it Again | | | tax violations | 2018 | UK-HMRC | £169,887 |
| Euro Mini Market | | | tax violations | 2018 | UK-HMRC | £165,035 |
| UK Coachways Limited | | | tax violations | 2018 | UK-HMRC | £159,680 |
| Kelly Cellars Ltd dba Kelly's Cellar | | | tax violations | 2018 | UK-HMRC | £143,985 |
| London Waterloo Hostel | | | tax violations | 2018 | UK-HMRC | £124,403 |
| R M Wholesalers Limited dba Booze Depot RM Drinks | | | tax violations | 2018 | UK-HMRC | £116,270 |
| Duco Developments Ltd | | | tax violations | 2018 | UK-HMRC | £96,250 |
| RTS Textile Recyclers Limited | | | tax violations | 2018 | UK-HMRC | £89,866 |
| HVS London Ltd | | | tax violations | 2018 | UK-HMRC | £86,985 |
| Hartwood Ltd | | | tax violations | 2018 | UK-HMRC | £85,966 |
| Shen Zhen Shi Shang Huang Shang Mao Company Limited dba Seeblue | | | tax violations | 2018 | UK-HMRC | £82,604 |
| Shenzhenshihuahancaizhizhipin Baozhuangyouxiangongsi | | | tax violations | 2018 | UK-HMRC | £81,484 |
| Junny Ltd dba Lau's Buffet | | | tax violations | 2018 | UK-HMRC | £78,320 |
| Stella Mares Ltd dba Barraco | | | tax violations | 2018 | UK-HMRC | £78,004 |
| Panda House | | | tax violations | 2018 | UK-HMRC | £77,259 |
| Mude Ltd dba Big Chef Cafe & Restaurant | | | tax violations | 2018 | UK-HMRC | £76,775 |
| Kebab Takeaway Ltd dba Topkapi | | | tax violations | 2018 | UK-HMRC | £75,022 |
| Belle Green Mini Market | | | tax violations | 2018 | UK-HMRC | £69,698 |
| Charlie Chan's | | | tax violations | 2018 | UK-HMRC | £69,148 |
| Security Management Services Limited | | | tax violations | 2018 | UK-HMRC | £63,726 |
| Eaton Build Limited | | | tax violations | 2018 | UK-HMRC | £63,050 |
| More Booze Ltd | | | tax violations | 2018 | UK-HMRC | £59,469 |
