| Siasa Telecom Ltd fka Executive Tools | | | tax violations | 2022 | UK-HMRC | £710,671 |
| Smart Construction and Civil Engineering Limited dba Smart Plant Limited | | | tax violations | 2018 | UK-HMRC | £710,495 |
| Michaels Drinks Plus Ltd | | | tax violations | 2020 | UK-HMRC | £706,447 |
| Vantage Capital Market LLP | | | investor protection violation | 2010 | UK-FSA | £700,000 |
| RSM Tenon Financial Services Limited | RSM Group | business services | investor protection violation | 2010 | UK-FSA | £700,000 |
| Tkachuk Drylining Limited | | | tax violations | 2024 | UK-HMRC | £699,185 |
| Baran Melisa Limited (formerly trading as 'Marini's') | | | tax violations | 2024 | UK-HMRC | £691,133 |
| Touma Foreign Exchange Ltd | | | anti-money-laundering deficiencies | 2019 | UK-HMRC | £678,849 |
| Raffles Cockapoos (DF) Ltd | | | tax violations | 2024 | UK-HMRC | £665,717 |
| Co Project Ltd | | | tax violations | 2023 | UK-HMRC | £658,008 |
| Hartel Ltd | | | tax violations | 2020 | UK-HMRC | £652,197 |
| Mos Services Mid Ltd | | | tax violations | 2022 | UK-HMRC | £647,422 |
| JGR Construction Ltd | | | tax violations | 2024 | UK-HMRC | £645,646 |
| SS Traders Ltd | | | tax violations | 2019 | UK-HMRC | £643,103 |
| Sunrise Brokers LLP | BGC Partners | financial services | anti-money-laundering deficiencies | 2021 | UK-FCA | £642,400 |
| Estrada Services Ltd | | | tax violations | 2024 | UK-HMRC | £640,193 |
| UHY Hacker Young LLP | UHY Hacker Young | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £636,385 |
| Clyde & Co LLP | | | anti-money-laundering deficiencies | 2024 | UK-SDT | £628,197 |
| Mumbai Junction Ltd | | | tax violations | 2019 | UK-HMRC | £626,462 |
| IQ EQ (Isle of Man) Limited | | | anti-money-laundering deficiencies | 2024 | UK-IOM | £614,009 |
| Boy Plant Ltd | | | tax violations | 2022 | UK-HMRC | £602,191 |
| Sun Life Assurance Company of Canada (UK) Limited | Sun Life Financial | financial services | investor protection violation | 2012 | UK-FSA | £600,000 |
| UAB Vaidmilda | | | tax violations | 2022 | UK-HMRC | £599,825 |
| Commerzbank AG | Commerzbank | financial services | investor protection violation | 2010 | UK-FSA | £595,000 |
| UCS Trading Limited | | | tax violations | 2020 | UK-HMRC | £592,247 |
| Hongkong Aibo Electronics Technology International Co Limited dba Poweradd | | | tax violations | 2023 | UK-HMRC | £591,744 |
| Aluminium Recycling (UK) Ltd | | | tax violations | 2016 | UK-HMRC | £578,497 |
| Dubhe WTC Ltd | | | tax violations | 2021 | UK-HMRC | £563,996 |
| Chase de Vere Independent Financial Advisers Limited | Swiss Life Group | financial services | investor protection violation | 2014 | UK-FCA | £560,000 |
| Cocoon Wealth LLP | | | tax violations | 2021 | UK-HMRC | £559,739 |
| Diva Dee Limited | | | tax violations | 2022 | UK-HMRC | £556,881 |
| Decon Ltd | | | tax violations | 2017 | UK-HMRC | £552,223 |
| A C Steels Ltd | | | tax violations | 2018 | UK-HMRC | £549,314 |
| MCO Capital Limited | | | anti-money-laundering deficiencies | 2013 | UK-OFT | £544,505 |
| M & G Property Development and Maintenance Ltd | | | tax violations | 2018 | UK-HMRC | £542,378 |
| Reckitt Benckiser Group Plc | Reckitt Benckiser | household and personal care products | investor protection violation | 2015 | UK-FCA | £539,800 |
| Nedbank Private Wealth Limited | | | anti-money-laundering deficiencies | 2023 | UK-IOM | £535,185 |
| Arrow Logistics Ltd | | | tax violations | 2022 | UK-HMRC | £533,271 |
| Bright Managment Solution Limited | | | investor protection violation | 2024 | UK-FCA | £533,000 |
| Data Market Group Ltd | | | tax violations | 2019 | UK-HMRC | £531,004 |
| Sigma Broking Ltd. | | | investor protection violation | 2022 | UK-FCA | £531,000 |
| Cenkos Securities Plc | | | investor protection violation | 2016 | UK-FCA | £530,500 |
| LL (NI) Limited dba Mandarin Palace Restaurant dba Mandarin Palace Takeaway dba Karma Tapas Bar dba Jasmine Takeaway | | | tax violations | 2016 | UK-HMRC | £530,315 |
| Shelby Finance Limited | | | payday lending violation | 2020 | UK-CMA | £527,863 |
| Guaranty Trust Bank (UK) Limited | Guaranty Trust Bank PLC | financial services | anti-money-laundering deficiencies | 2013 | UK-FCA | £525,000 |
| Habib Bank AG Zurich | | | anti-money-laundering deficiencies | 2012 | UK-FSA | £525,000 |
| Irfan Ltd | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £524,000 |
| CGS Site Services Ltd | | | tax violations | 2018 | UK-HMRC | £519,814 |
| SRS (Sheffield) Limited | | | tax violations | 2016 | UK-HMRC | £518,734 |
| Hebe & Huhet Ltd | | | tax violations | 2022 | UK-HMRC | £516,507 |
| TM Payroll Limited | | | tax violations | 2016 | UK-HMRC | £515,471 |
| Ditto Payroll Ltd | | | tax violations | 2022 | UK-HMRC | £515,126 |
| Corestore Ltd | | | tax violations | 2023 | UK-HMRC | £514,039 |
| CPBP Trading Limited | | | tax violations | 2024 | UK-HMRC | £512,125 |
| Rowan Dartington & Co Limited | St. James's Place PLC | financial services | investor protection violation | 2010 | UK-FSA | £511,000 |
| Audal Trading UK Ltd (formerly trading as 'Audal') | | | tax violations | 2024 | UK-HMRC | £507,986 |
| SG Euro Trades Ltd | | | tax violations | 2021 | UK-HMRC | £503,612 |
| Blue Bell Inn Nottm Ltd | | | tax violations | 2018 | UK-HMRC | £502,673 |
| Changtel Solutions UK Ltd dba Enta Technologies Ltd. | | | tax violations | 2017 | UK-HMRC | £501,137 |
| Photo-Me International plc | | | investor protection violation | 2010 | UK-FSA | £500,000 |
| Muranda Electrical Services Ltd | | | tax violations | 2020 | UK-HMRC | £499,203 |
| Lloyds Bank Corporate Markets Plc | Lloyds Banking Group | financial services | anti-money-laundering deficiencies | 2022 | UK-JFSC | £498,000 |
| Towry Investment Management Limited | | | investor protection violation | 2011 | UK-FSA | £494,900 |
| UK Plant Sales Limited | | | tax violations | 2021 | UK-HMRC | £494,160 |
| Halo Trading Limited | | | tax violations | 2017 | UK-HMRC | £492,707 |
| MDM Global Ltd | | | tax violations | 2016 | UK-HMRC | £490,501 |
| City Index Limited | | | investor protection violation | 2011 | UK-FSA | £490,000 |
| Her Kitchen | | | tax violations | 2024 | UK-HMRC | £489,931 |
| The Sun Inn | | | tax violations | 2023 | UK-HMRC | £481,280 |
| Orlandomagic Ltd | | | tax violations | 2024 | UK-HMRC | £478,279 |
| Fio's Cash and Carry Ltd | | | tax violations | 2019 | UK-HMRC | £471,352 |
| eDistribute Ltd | | | tax violations | 2019 | UK-HMRC | £470,757 |
| Weisti Ltd | | | tax violations | 2024 | UK-HMRC | £464,748 |
| Airefibre Direct Ltd | | | tax violations | 2018 | UK-HMRC | £462,790 |
| T & S Fashions Ltd | | | tax violations | 2018 | UK-HMRC | £459,270 |
| The Upper Scale Limited | | | tax violations | 2022 | UK-HMRC | £458,705 |
| Albert Spratt Construction | | | tax violations | 2019 | UK-HMRC | £455,854 |
| MSR Partners LLP | | | accounting fraud or deficiencies | 2019 | UK-ICAEW | £455,813 |
| Jemdean Ltd | | | tax violations | 2024 | UK-HMRC | £455,478 |
| Equiom (Guernsey) Limited | | | anti-money-laundering deficiencies | 2024 | UK-GFSC | £455,000 |
| KPMG | KPMG | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £455,000 |
| JJB Sports plc | | | investor protection violation | 2011 | UK-FSA | £455,000 |
| Fox Hayes | | | investor protection violation | 2011 | UK-FSA | £454,770 |
| Sosia Constructions UK Ltd | | | tax violations | 2019 | UK-HMRC | £454,201 |
| The Travellers Inn Birdwell Limited (formerly trading as 'Travellers Inn') | | | tax violations | 2024 | UK-HMRC | £453,970 |
| Tan Trading Limited | | | tax violations | 2016 | UK-HMRC | £450,799 |
| MacIntyre Hudson LLP | | | accounting fraud or deficiencies | 2024 | UK-FRC | £450,250 |
| Sixonethreeone Limited | | | accounting fraud or deficiencies | 2014 | UK-FRC | £450,000 |
| Artemis Trustees Limited | | | investor protection violation | 2022 | UK-GFSC | £450,000 |
| Algorbet Limited. Formerly known as Aurora Contracts Limited. | | | tax violations | 2022 | UK-HMRC | £447,889 |
| EAS Metals Ltd | | | tax violations | 2016 | UK-HMRC | £443,432 |
| Abbasi Wines Ltd | | | tax violations | 2017 | UK-HMRC | £441,151 |
| Complete Building Supply Services Ltd | | | tax violations | 2021 | UK-HMRC | £438,134 |
| Chadico Limited dba Mia Lounge | | | tax violations | 2016 | UK-HMRC | £435,129 |
| Hou Mo HK Trading Ltd | | | tax violations | 2021 | UK-HMRC | £432,993 |
| TR Marius Transport Ltd | | | tax violations | 2024 | UK-HMRC | £429,224 |
| Maythorne Homes Ltd | | | tax violations | 2019 | UK-HMRC | £425,781 |
| Riki Oil Ltd | | | tax violations | 2024 | UK-HMRC | £425,069 |
| Vadgets | | | tax violations | 2019 | UK-HMRC | £424,568 |
| William Firth & Son Limited | | | tax violations | 2019 | UK-HMRC | £423,339 |
| Grant Thornton UK LLP | Grant Thornton | business services | accounting fraud or deficiencies | 2019 | UK-FRC | £422,500 |
