| Citigroup Global Markets Limited, Citibank N.A. London branch and Citibank Europe Plc UK branch | Citigroup | financial services | internal controls deficiency | 2019 | UK-PRA | £43,890,000 |
| R. Raphael & Sons plc | | | risk management failure | 2019 | UK-PRA | £1,112,152 |
| Tesco Stores Limited | Tesco PLC | retailing | accounting fraud or deficiencies | 2019 | UK-SFO | £132,000,000 |
| Sanne Fiduciary Services Limited | | | banking violation | 2019 | UK-JFSC | £381,010 |
| Gem Craft Lapidary Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £1,289 |
| Ram Jewellers Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £1,834 |
| Accstax Consultants Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £519 |
| Jewellery Hub of London Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £500 |
| Bakaal Worldwide Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £500 |
| Britaniashaw Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £500 |
| Touma Foreign Exchange Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £678,849 |
| Emoov Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £3,721 |
| Next4UK Consulting Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £500 |
| Certes Capital Limited (formerly Marlborough Pension Trustees Limited) | | | investor protection violation | 2019 | UK-GFSC | £0 |
| Louvre Trust (Guernsey Limited) | | | anti-money-laundering deficiencies | 2019 | UK-GFSC | £70,000 |
| Vida Financial Services Limited | | | investor protection violation | 2019 | UK-GFSC | £30,000 |
| Fedelta Trust Limited | | | anti-money-laundering deficiencies | 2019 | UK-IOM | £51,551 |
| Charles Schwab UK Ltd. | Charles Schwab Corp. | financial services | investor protection violation | 2020 | UK-FCA | £8,963,200 |
| LJ Financial Planning Ltd. | | | investor protection violation | 2020 | UK-FCA | £107,200 |
| TFS-ICAP Ltd. | | | investor protection violation | 2020 | UK-FCA | £3,444,100 |
| Goldman Sachs International | Goldman Sachs | financial services | investor protection violation | 2020 | UK-FCA | £48,308,400 |
| Asia Research and Capital Management Ltd. | | | investor protection violation | 2020 | UK-FCA | £873,118 |
| Commerzbank AG | Commerzbank | financial services | anti-money-laundering deficiencies | 2020 | UK-FCA | £37,805,400 |
| Lloyds Bank plc and Bank of Scotland plc and The Mortgage Business plc | Lloyds Banking Group | financial services | mortgage abuses | 2020 | UK-FCA | £64,046,800 |
| KPMG | KPMG | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £455,000 |
| KPMG | KPMG | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £0 |
| Grant Thornton UK LLP | Grant Thornton | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £1,950,000 |
| BDO LLP | BDO International | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £160,000 |
| Deloitte LLP | Deloitte | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £20,635,014 |
| Deloitte LLP | Deloitte | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £362,500 |
| AIB Group (UK) plc | Allied Irish Banks | financial services | banking violation | 2020 | UK-CMA | £0 |
| Lloyds Banking Group plc | Lloyds Banking Group | financial services | banking violation | 2020 | UK-CMA | £0 |
| Amazon.com Inc. | Amazon.com | retailing | investor protection violation | 2020 | UK-CMA | £55,000 |
| Shelby Finance Limited | | | payday lending violation | 2020 | UK-CMA | £527,863 |
| Royal Bank of Scotland Group | NatWest Group PLC | financial services | banking violation | 2020 | UK-CMA | £2,200,000 |
| Metro Bank plc | Metro Bank PLC | financial services | banking violation | 2020 | UK-CMA | £11,400,000 |
| Nationwide Building Society | Nationwide Building Society | financial services | banking violation | 2020 | UK-CMA | £900,000 |
| Amber Motor Company Ltd. Previously known as EJH2 Ltd | | | tax violations | 2020 | UK-HMRC | £2,396,285 |
| Elite Luxury Watches Ltd | | | tax violations | 2020 | UK-HMRC | £869,064 |
| Michaels Drinks Plus Ltd | | | tax violations | 2020 | UK-HMRC | £706,447 |
| Hartel Ltd | | | tax violations | 2020 | UK-HMRC | £652,197 |
| UCS Trading Limited | | | tax violations | 2020 | UK-HMRC | £592,247 |
| Enviro Solutions (Yorkshire) Limited | | | tax violations | 2020 | UK-HMRC | £310,953 |
| Harpers (Brandesburton) Ltd | | | tax violations | 2020 | UK-HMRC | £260,404 |
| Highway to Heaven Ltd | | | tax violations | 2020 | UK-HMRC | £205,343 |
| 88 75 Ltd dba The Victualler Bar and Restaurant | | | tax violations | 2020 | UK-HMRC | £197,503 |
| Harpers (Wetwang) Ltd | | | tax violations | 2020 | UK-HMRC | £172,902 |
| Harpers (Market Weighton) Ltd | | | tax violations | 2020 | UK-HMRC | £133,457 |
| Nahid Residential Limited | | | tax violations | 2020 | UK-HMRC | £118,956 |
| Zedeye Limited dba Le Moon Restaurant | | | tax violations | 2020 | UK-HMRC | £101,674 |
| Paintwise | | | tax violations | 2020 | UK-HMRC | £98,296 |
| Goring Masooms Limited dba Masoom Tandoori | | | tax violations | 2020 | UK-HMRC | £95,677 |
| Everwhite | | | tax violations | 2020 | UK-HMRC | £79,384 |
| Sibo Pakuotes UAB | | | tax violations | 2020 | UK-HMRC | £78,707 |
| New Gables Restaurant Limited | | | tax violations | 2020 | UK-HMRC | £75,889 |
| Happy House (Ely) Limited | | | tax violations | 2020 | UK-HMRC | £67,676 |
| Latimer Restaurant Ltd dba Kushboo Restaurant | | | tax violations | 2020 | UK-HMRC | £63,581 |
| Loganberry | | | tax violations | 2020 | UK-HMRC | £58,969 |
| Tre Colori Ltd dba Case Italia | | | tax violations | 2020 | UK-HMRC | £57,674 |
| Harpers (A64) Limited | | | tax violations | 2020 | UK-HMRC | £57,560 |
| Oriental Kitchen (Purley) Limited | | | tax violations | 2020 | UK-HMRC | £53,504 |
| The Fox and Hounds (Leicestershire) Ltd | | | tax violations | 2020 | UK-HMRC | £49,310 |
| C.J. Pizza Limited dba Lonestar Pizza | | | tax violations | 2020 | UK-HMRC | £49,169 |
| Nails & Beauty Limited | | | tax violations | 2020 | UK-HMRC | £48,480 |
| Stadium Investments | | | tax violations | 2020 | UK-HMRC | £48,169 |
| Cut 'N' Cover Limited | | | tax violations | 2020 | UK-HMRC | £47,458 |
| Lismore Recruitment Consultants Limited | | | tax violations | 2020 | UK-HMRC | £46,827 |
| Passage to India (Barnham) Ltd | | | tax violations | 2020 | UK-HMRC | £46,415 |
| Guangzhou Tongqiao Trade Company | | | tax violations | 2020 | UK-HMRC | £45,855 |
| Hard Hat Logistics Limited | | | tax violations | 2020 | UK-HMRC | £45,460 |
| Payroll Solutions WM Ltd | | | tax violations | 2020 | UK-HMRC | £43,223 |
| Harikrishan's Kitchen | | | tax violations | 2020 | UK-HMRC | £42,856 |
| Say Scaffolding Midlands Ltd | | | tax violations | 2020 | UK-HMRC | £40,956 |
| Sunshine Valet Ltd | | | tax violations | 2020 | UK-HMRC | £38,726 |
| Valentine Restaurant Ltd | | | tax violations | 2020 | UK-HMRC | £38,683 |
| Diamond Pharma Limited | | | tax violations | 2020 | UK-HMRC | £36,145 |
| Midland Steel Services Ltd | | | tax violations | 2020 | UK-HMRC | £34,635 |
| Springroll Chen Limited dba Spring Roll Takeaway | | | tax violations | 2020 | UK-HMRC | £33,288 |
| Taylor Made Renewable Energy Technologies Limited | | | tax violations | 2020 | UK-HMRC | £32,561 |
| Main Road Bar Ltd dba Bukharah World Buffet | | | tax violations | 2020 | UK-HMRC | £31,906 |
| Rowland Co | | | tax violations | 2020 | UK-HMRC | £29,939 |
| RG Trading Surrey Limited dba Tandoori Nights | | | tax violations | 2020 | UK-HMRC | £29,738 |
| New Collection Leicester Ltd | | | tax violations | 2020 | UK-HMRC | £28,378 |
| Project Force Limited | | | tax violations | 2020 | UK-HMRC | £28,370 |
| Spice of Life (EKCW) Ltd | | | tax violations | 2020 | UK-HMRC | £27,637 |
| Kebabalicious Kebab Limited | | | tax violations | 2020 | UK-HMRC | £27,359 |
| London Lease Ltd | | | tax violations | 2020 | UK-HMRC | £27,336 |
| Yokees Foods | | | tax violations | 2020 | UK-HMRC | £27,148 |
| Australian Wines | | | tax violations | 2020 | UK-HMRC | £24,906 |
| Madhavan Design Limited | | | tax violations | 2020 | UK-HMRC | £24,805 |
| Mike Phillips Transport Limited | | | tax violations | 2020 | UK-HMRC | £24,690 |
| Lord Line Campus Limited | | | tax violations | 2020 | UK-HMRC | £24,362 |
| Horse and Groom Hotel Ltd | | | tax violations | 2020 | UK-HMRC | £23,766 |
| Mai Sushi Limited | | | tax violations | 2020 | UK-HMRC | £22,118 |
| Energy Profitable House Ltd | | | tax violations | 2020 | UK-HMRC | £19,810 |
| Smiley's Plaice | | | tax violations | 2020 | UK-HMRC | £18,749 |
| CNWC Kennels | | | tax violations | 2020 | UK-HMRC | £17,334 |
| Thetford Food Centre Ltd | | | tax violations | 2020 | UK-HMRC | £16,986 |
| Young Alarms Gas and Electric Services Ltd | | | tax violations | 2020 | UK-HMRC | £16,768 |
| Papu Miya Ltd | | | tax violations | 2020 | UK-HMRC | £16,304 |
| Andrews Accountancy Services Ltd | | | tax violations | 2020 | UK-HMRC | £15,931 |
