| 09247906 Ltd | | | tax violations | 2018 | UK-HMRC | £93,252 |
| 106 Business Solutions Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,750 |
| 1st Lettings Property Services Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £14,850 |
| 21st Century Metals & Alloys Limited | | | tax violations | 2018 | UK-HMRC | £19,717 |
| 24HR Trading Academy Ltd. | | | investor protection violation | 2023 | UK-FCA | £106,650 |
| 3 AAA LLP | | | tax violations | 2017 | UK-HMRC | £29,389 |
| 3 Sixty Accountants Ltd ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,072 |
| 360 Properties EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,300 |
| 4G Textiles Ltd | | | tax violations | 2023 | UK-HMRC | £47,142 |
| 77 Tapas Limited | | | tax violations | 2023 | UK-HMRC | £105,172 |
| 7722656 Canada Inc. | | | investor protection violation | 2014 | UK-FCA | £8,000,000 |
| 786 Ali Accountants Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,850 |
| 88 75 Ltd dba The Victualler Bar and Restaurant | | | tax violations | 2020 | UK-HMRC | £197,503 |
| 9th Avenue Limited | | | tax violations | 2020 | UK-HMRC | £11,661 |
| A & A MOT Centre Ltd | | | tax violations | 2023 | UK-HMRC | £15,974 |
| A & N (Haslemere) Limited | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £1,750 |
| A & S Printers | | | tax violations | 2022 | UK-HMRC | £211,123 |
| A and M Wholesale Limited | | | tax violations | 2016 | UK-HMRC | £134,662 |
| A B Accounting and Consulting Limited | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £1,000 |
| A B P Restaurants Ltd | | | tax violations | 2017 | UK-HMRC | £20,508 |
| A C Steels Ltd | | | tax violations | 2018 | UK-HMRC | £549,314 |
| A E Hicks Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £2,500 |
| A G Plant Hire Limited | | | tax violations | 2016 | UK-HMRC | £331,223 |
| A H Fire Preventions Ltd | | | tax violations | 2023 | UK-HMRC | £53,193 |
| A Hamilton Construction Ltd | | | tax violations | 2019 | UK-HMRC | £68,998 |
| A M A Catering Limited | | | tax violations | 2023 | UK-HMRC | £115,613 |
| A P B S Limited | | | accounting fraud or deficiencies | 2023 | UK-ICAEW | £1,000 |
| A P Waters Building Contractors Limited | | | tax violations | 2017 | UK-HMRC | £33,724 |
| A S Site Preparation Limited | | | tax violations | 2019 | UK-HMRC | £152,616 |
| A Smart Move Residential limited | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £0 |
| A Smart Move Residential Limited EAB | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £3,300 |
| A&G Building Contractors | | | tax violations | 2017 | UK-HMRC | £12,439 |
| A. Ozturk Accountancy Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,200 |
| A.B.V Southeast Ltd | | | tax violations | 2023 | UK-HMRC | £252,955 |
| A.C.T Construction Services Ltd | | | tax violations | 2022 | UK-HMRC | £12,187 |
| A.H.Cross & Co | | | anti-money-laundering deficiencies | 2021 | UK-ICAEW | £8,703 |
| A.J. Charik & Co | | | accounting fraud or deficiencies | 2017 | UK-ICAEW | £500 |
| A1 Commercial Services (Leith) | | | tax violations | 2019 | UK-HMRC | £17,382 |
| A1 Meat & Poultry Limited HVD | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £18,200 |
| A1 Mobile | | | tax violations | 2019 | UK-HMRC | £25,348 |
| A1 Transport | | | tax violations | 2019 | UK-HMRC | £49,791 |
| A4G LLP | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £7,937 |
| AA Baits UK Ltd | | | tax violations | 2017 | UK-HMRC | £37,370 |
| AA Sportswear Ltd | | | tax violations | 2023 | UK-HMRC | £25,813 |
| Aarretar Ltd dba Rina Tairo Jewellery | | | tax violations | 2018 | UK-HMRC | £17,808 |
| AB Fab Catering | | | tax violations | 2018 | UK-HMRC | £20,663 |
| Abacus 114 Limited | | | anti-money-laundering deficiencies | 2020 | UK-ICAEW | £2,082 |
| Abacus 164 Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,398 |
| Abacus 164 Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,398 |
| Abacus Commercial Cleaning Ltd | | | tax violations | 2018 | UK-HMRC | £12,029 |
| Abacus Estates (Kensal Rise) Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £6,200 |
| Abbasi Wines Ltd | | | tax violations | 2017 | UK-HMRC | £441,151 |
| Abbie Drew Property Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £7,500 |
| Abbott & Abbott Estate Agents Limited EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £14,200 |
| ABC Plant Sales | | | tax violations | 2017 | UK-HMRC | £23,444 |
| Aber House Ltd | | | tax violations | 2018 | UK-HMRC | £40,583 |
| Abercorn Service Station Ltd | | | tax violations | 2018 | UK-HMRC | £37,235 |
| Aberdeen Asset Managers Limited and Aberdeen Fund Management Limited | Abrdn PLC | financial services | investor protection violation | 2013 | UK-FCA | £7,192,500 |
| Able Sports Management Ltd | | | tax violations | 2023 | UK-HMRC | £50,634 |
| Abrams Ashton Limited | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £537 |
| Abwab Global Limited | | | tax violations | 2023 | UK-HMRC | £119,128 |
| Acc Dry Cleaning Ltd | | | tax violations | 2023 | UK-HMRC | £68,476 |
| Accendo Markets Limited | | | investor protection violation | 2012 | UK-FSA | £56,000 |
| Accessorise Phone dba Smithy07 | | | tax violations | 2019 | UK-HMRC | £161,436 |
| Accountability Solutions Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £6,290 |
| Accountable South Wales Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,481 |
| Accountancy Matters(Golf & Leisure)Limited ASP | | | anti-money-laundering deficiencies | 2021 | UK-HMRC | £13,400 |
| Accountancy Solutions (Midlands) UK Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £4,381 |
| Accounting & Business Management Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,487 |
| Accounting Services Kellas Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £3,298 |
| Accstax Consultants Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £519 |
| Acorn Business Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £2,626 |
| Acoustic Fire Seal Ltd | | | tax violations | 2019 | UK-HMRC | £81,893 |
| Acquisitions 395231674 Ltd (formerly Front Row Recruitment UK Ltd) | | | tax violations | 2018 | UK-HMRC | £80,127 |
| Action Rail Ltd | | | tax violations | 2018 | UK-HMRC | £29,688 |
| ActivTrades Plc | | | investor protection violation | 2011 | UK-FSA | £85,750 |
| Acumen Accountancy Services Limited ASP | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £13,300 |
| Acurate Security Services Ltd | | | tax violations | 2017 | UK-HMRC | £45,676 |
| Acute Recruitment Consultants Ltd | | | tax violations | 2023 | UK-HMRC | £59,001 |
| Adam Sinton Limited EAB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £20,800 |
| Adams Express Ltd | | | tax violations | 2017 | UK-HMRC | £183,221 |
| Additions Plus Ltd ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £5,000 |
| Adlington Spice Limited | | | tax violations | 2023 | UK-HMRC | £28,702 |
| ADM Investor Services International Limited | Archer Daniels Midland | agribusiness | anti-money-laundering deficiencies | 2023 | UK-FCA | £6,470,600 |
| Adrian Dowding Estate Agents Limited | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £0 |
| Adrian Simner Construction ASC and Erect Extensions | | | tax violations | 2017 | UK-HMRC | £57,501 |
| Adroit Auditing Limited | | | accounting fraud or deficiencies | 2021 | UK-ICAEW | £0 |
| Adspec Limited | | | tax violations | 2023 | UK-HMRC | £193,585 |
| Advance Cars | | | tax violations | 2016 | UK-HMRC | £78,304 |
| AEL Markhams Ltd | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £2,610 |
| AEL Partners LLP | | | accounting fraud or deficiencies | 2018 | UK-ICAEW | £7,138 |
| Aero Asian Textiles Ltd | | | tax violations | 2023 | UK-HMRC | £178,122 |
| Aerovision IT | | | tax violations | 2023 | UK-HMRC | £42,236 |
| Afghan Grill House Ltd | | | tax violations | 2023 | UK-HMRC | £28,848 |
| Aforderble Catering | | | tax violations | 2021 | UK-HMRC | £20,977 |
| AGCS | | | tax violations | 2023 | UK-HMRC | £38,840 |
| Aglow Fashions Ltd | | | tax violations | 2014 | UK-HMRC | £48,331 |
| AGM Accounting Services LTD ASP | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £2,550 |
| Agutter-Khanderia | | | accounting fraud or deficiencies | 2020 | UK-ICAEW | £500 |
| Ahli United Bank (UK) PLC | | | anti-money-laundering deficiencies | 2014 | UK-GFSC | £70,000 |
| Ahmed Estates (UK) Ltd EAB | | | anti-money-laundering deficiencies | 2023 | UK-HMRC | £5,500 |
