| Maryland Web Builders LLC dba I-Innovate | | | tax violations | 2021 | UK-HMRC | £397,571 |
| NFS Software Ltd | | | tax violations | 2021 | UK-HMRC | £390,865 |
| NPP Plastering Ltd | | | tax violations | 2021 | UK-HMRC | £388,691 |
| Horizon Security Services Ltd | | | tax violations | 2019 | UK-HMRC | £384,743 |
| Brian Hughes and Sons | | | tax violations | 2019 | UK-HMRC | £384,010 |
| SSD Trading Limited | | | tax violations | 2017 | UK-HMRC | £383,594 |
| Drinks Enterprises Ltd dba Drinks Cash & Carry | | | tax violations | 2018 | UK-HMRC | £383,447 |
| Shenzhen Tuoting Technology Co Ltd dba MicroYep UK | | | tax violations | 2021 | UK-HMRC | £381,501 |
| Sanne Fiduciary Services Limited | | | banking violation | 2019 | UK-JFSC | £381,010 |
| Moneemint Limited | | | tax violations | 2023 | UK-HMRC | £375,677 |
| ALP Scaffolding Services Limited | | | tax violations | 2021 | UK-HMRC | £373,973 |
| Newglobe Resources Limited | | | tax violations | 2022 | UK-HMRC | £367,247 |
| Upgradeyourtv.com Ltd | | | tax violations | 2020 | UK-HMRC | £367,005 |
| Chambers Nottm Ltd | | | tax violations | 2018 | UK-HMRC | £364,647 |
| Shenzhenishi Longhanfengyi Kejyouxiangongsi dba ZookkiDirectUK | | | tax violations | 2018 | UK-HMRC | £364,618 |
| Thameside Labour Hire London Limited | | | tax violations | 2017 | UK-HMRC | £364,424 |
| Parkstone Construction Ltd | | | tax violations | 2024 | UK-HMRC | £363,958 |
| Deloitte LLP | Deloitte | business services | accounting fraud or deficiencies | 2020 | UK-FRC | £362,500 |
| Amin Exchange Limited MSB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £360,737 |
| Watchtraderuk Limited | | | tax violations | 2021 | UK-HMRC | £360,496 |
| Niu Yashan Ltd | | | tax violations | 2018 | UK-HMRC | £358,241 |
| Rich and Famous Limited franchise of Papa Johns | | | tax violations | 2016 | UK-HMRC | £357,464 |
| Ascot Electrical Cables Ltd | | | tax violations | 2019 | UK-HMRC | £356,152 |
| Tequila's Limited | | | tax violations | 2020 | UK-HMRC | £349,187 |
| Uhold Ltd | | | tax violations | 2019 | UK-HMRC | £347,349 |
| Logwooden Investments Ltd | | | tax violations | 2021 | UK-HMRC | £346,682 |
| Ernst & Young LLP | Ernst & Young | business services | accounting fraud or deficiencies | 2015 | UK-ICAEW | £345,000 |
| Winchester Services Ltd | | | tax violations | 2024 | UK-HMRC | £344,888 |
| Majestic NW Limited | | | tax violations | 2024 | UK-HMRC | £338,963 |
| Meera Catering Ltd dba Meera Caterers | | | tax violations | 2018 | UK-HMRC | £337,783 |
| Wilok's International | | | tax violations | 2023 | UK-HMRC | £332,573 |
| A G Plant Hire Limited | | | tax violations | 2016 | UK-HMRC | £331,223 |
| Parwaz Money Exchange Limited MSB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £330,594 |
| Deloitte LLP | Deloitte | business services | accounting fraud or deficiencies | 2022 | UK-FRC | £330,000 |
| Nachi Ltd | | | tax violations | 2019 | UK-HMRC | £329,505 |
| Global SFX Ltd | | | tax violations | 2017 | UK-HMRC | £329,369 |
| Kkrol Ltd | | | tax violations | 2023 | UK-HMRC | £327,463 |
| OPP Group Ltd | | | tax violations | 2021 | UK-HMRC | £325,707 |
| Timer Construction Ltd | | | tax violations | 2017 | UK-HMRC | £323,542 |
| McDouglas Developments Ltd | | | tax violations | 2018 | UK-HMRC | £321,584 |
| Beaumont Contracts Ltd. fka Linton Contractors Ltd and Linton Decorators Ltd | | | tax violations | 2019 | UK-HMRC | £318,746 |
| Celtic Carriers Limited | | | tax violations | 2016 | UK-HMRC | £318,408 |
| Services A-Z Ltd | | | tax violations | 2022 | UK-HMRC | £316,602 |
| Willows Construction Services Ltd. | | | tax violations | 2016 | UK-HMRC | £315,928 |
| Trademotors Limited | | | tax violations | 2021 | UK-HMRC | £315,219 |
| Besso Limited | Ardonagh Group | financial services | investor protection violation | 2014 | UK-FCA | £315,000 |
| Parazitu Solutions Ltd | | | tax violations | 2021 | UK-HMRC | £314,124 |
| Gurmail Construction Ltd | | | tax violations | 2023 | UK-HMRC | £312,400 |
| New PWR NKU Limited | | | tax violations | 2024 | UK-HMRC | £312,164 |
| Fiston Limited fka Hadleigh Fast Food | | | tax violations | 2022 | UK-HMRC | £311,635 |
| Enviro Solutions (Yorkshire) Limited | | | tax violations | 2020 | UK-HMRC | £310,953 |
| Oatfield Developments Ltd | | | tax violations | 2020 | UK-HMRC | £309,846 |
| Karam Express | | | tax violations | 2018 | UK-HMRC | £309,707 |
| Omega Plus Ltd dba Dynasty Chinese | | | tax violations | 2018 | UK-HMRC | £307,725 |
| L J R Fire & Security Group Ltd fka LJR Fire Safety Ltd | | | tax violations | 2024 | UK-HMRC | £307,100 |
| FTU Pod Trans | | | tax violations | 2021 | UK-HMRC | £307,045 |
| Delta Force Guarding Ltd | | | tax violations | 2023 | UK-HMRC | £306,703 |
| Hargreave Hale Ltd | | | insider trading | 2019 | UK-FCA | £306,300 |
| Shawty Trading Ltd | | | tax violations | 2019 | UK-HMRC | £304,184 |
| Swift Insulation & Construction Ltd | | | tax violations | 2022 | UK-HMRC | £303,911 |
| MDIS Construction Ltd | | | tax violations | 2023 | UK-HMRC | £302,577 |
| Inspiron Networks Ltd | | | tax violations | 2023 | UK-HMRC | £301,105 |
| Nordyc Ltd (Formerly known as AA Decorators and Painters Limited) | | | tax violations | 2023 | UK-HMRC | £299,634 |
| Ernst & Young LLP | Ernst & Young | business services | accounting fraud or deficiencies | 2024 | UK-FRC | £296,305 |
| Trident Trust Company (I.O.M.) Limited | | | anti-money-laundering deficiencies | 2022 | UK-IOM | £295,221 |
| Turkish Bank (UK) Ltd | | | anti-money-laundering deficiencies | 2012 | UK-FSA | £294,000 |
| Exillon Energy plc | | | investor protection violation | 2012 | UK-FSA | £292,950 |
| Alppa Pan | | | tax violations | 2019 | UK-HMRC | £291,155 |
| HN Restaurants Limited dba Dallas Chicken | | | tax violations | 2023 | UK-HMRC | £291,077 |
| Twenty 4 Time | | | tax violations | 2021 | UK-HMRC | £290,392 |
| MP Food & Wine/J&M News | | | tax violations | 2018 | UK-HMRC | £289,280 |
| Eagle Motors (Luton) Limited | | | tax violations | 2016 | UK-HMRC | £287,845 |
| Torchwood Trading Ltd | | | tax violations | 2022 | UK-HMRC | £286,895 |
| GPSK Limited | | | tax violations | 2021 | UK-HMRC | £286,593 |
| Fly Eagle 1 LLC | | | tax violations | 2018 | UK-HMRC | £283,406 |
| Metaverse Recruitment Limited fka Propello Ata Ltd | | | tax violations | 2024 | UK-HMRC | £282,754 |
| No. 4 Mayfair Limited | | | tax violations | 2019 | UK-HMRC | £281,698 |
| Golden 77 Limited | | | tax violations | 2019 | UK-HMRC | £281,451 |
| Shenzhenshi Yueyiyinshuayouxiangongsi dba Yueying | | | tax violations | 2020 | UK-HMRC | £279,484 |
| Hall Brickwork Limited | | | tax violations | 2021 | UK-HMRC | £276,711 |
| Forex TB Limited | | | investor protection violation | 2024 | UK-FCA | £276,100 |
| On Point Reviews Ltd | | | tax violations | 2023 | UK-HMRC | £273,986 |
| LBBH LLC dba xpress beauty | | | tax violations | 2018 | UK-HMRC | £272,714 |
| Poets House Limited | | | tax violations | 2016 | UK-HMRC | £271,078 |
| Sherzi Exchange Limited MSB | | | anti-money-laundering deficiencies | 2022 | UK-HMRC | £270,530 |
| Kiani Investments Limited | | | tax violations | 2023 | UK-HMRC | £269,522 |
| Lymington Consultants Limited (Trading as 'Onepay Solutions') | | | tax violations | 2024 | UK-HMRC | £268,991 |
| Purplebricks Group PLC | | | anti-money-laundering deficiencies | 2020 | UK-HMRC | £266,793 |
| Monter Limited | | | tax violations | 2016 | UK-HMRC | £266,766 |
| Trident Trust Company (Guernsey) Limited | | | anti-money-laundering deficiencies | 2024 | UK-GFSC | £266,000 |
| KGT Electrical & Building Solutions Limited (formerly known as KGT Electrical Ltd) | | | tax violations | 2024 | UK-HMRC | £264,659 |
| Fat Cat Sherwood Ltd | | | tax violations | 2018 | UK-HMRC | £263,713 |
| UK Camera Ltd | | | tax violations | 2021 | UK-HMRC | £263,163 |
| Crosstube Rail Limited | | | tax violations | 2018 | UK-HMRC | £262,709 |
| Oliver Clive & Co Limited | | | accounting fraud or deficiencies | 2024 | UK-FRC | £262,692 |
| Consulting Europe Limited | | | tax violations | 2022 | UK-HMRC | £262,261 |
| The Rowley Bar and Grill Ltd | | | tax violations | 2022 | UK-HMRC | £260,656 |
| Red Point Recruitment Ltd | | | tax violations | 2023 | UK-HMRC | £260,578 |
| Harpers (Brandesburton) Ltd | | | tax violations | 2020 | UK-HMRC | £260,404 |
| Shenzhen Yuanbei Technologies Co. Ltd | | | tax violations | 2019 | UK-HMRC | £259,497 |
| Rebos Investments Ltd | | | tax violations | 2022 | UK-HMRC | £258,105 |
